Ppt on ram and rom hdd

Computer Forensics Security Services. Copyright © Texas Education Agency 2012. All rights reserved. Images and other multimedia content used with permission.

of instructions on the hardware 3 Copyright © Texas Education Agency 2012. All rights reserved. Images and other multimedia content used with permission. Elements of Hardware Computer Case/Chassis Power Supply Motherboard System Bus Read Only Memory (ROM) Random Access Memory (RAM) Central Processing Unit (CPU) Hard Disk Drive (HDD) Input Devices – Keyboard – Mouse – Joy Stick – Scanner Output Devices – Monitor – Printer – Speakers 4 Copyright © Texas/


+ William Stallings Computer Organization and Architecture 9 th Edition.

preemptive action There are two practical issues peculiar to SSDs that are not faced by HDDs: Table 6. 6 OpticalDiskProducts + Compact Disk Read-Only Memory (CD-ROM) Audio CD and the CD-ROM share a similar technology The main difference is that CD-ROM players are more rugged and have error correction devices to ensure that data are properly transferred Production: The disk is formed from/


+ CS 325: CS Hardware and Software Organization and Architecture External Memory.

preemptive action There are two practical issues peculiar to SSDs that are not faced by HDDs: Table 6. 6 OpticalDiskProducts + Compact Disk Read-Only Memory (CD-ROM) Audio CD and the CD-ROM share a similar technology The main difference is that CD-ROM players are more rugged and have error correction devices to ensure that data are properly transferred Production: The disk is formed from/


TEE COURSE GRADE 10 MODULE 7 - PC HARDWARE Memory and Storage Devices

PRIMARY MEMORY: RAM AND ROM RAM (Random Access Memory) is volatile (temporary). Programs and data can be written to and erased from RAM as needed. This means that RAM does not retain its bit configuration when the power is turned off, but ROM does ROM ( Read / ______________________________ EPROM ______________________________ EEPROM ______________________________ CD-ROM ______________________________ HDD ______________________________ FDD ______________________________ DVD RW ______________________________ /


Robert Crawford, MBA West Middle School.  Summarize how a CPU and RAM work together  Contrast primary and secondary storage  Compare the features of.

 Primary Storage ◦ Random Access Memory (RAM) is a form of primary memory  RAM access memory is compared to sequential access memory (seldom used) and ROM (read only memory).  We will talk about ROM in a future unit.  A random-/Secondary Storage devices ◦ Examples of secondary storage devices include:  Hard Drives  A hard disk drive (HDD) is a data storage device used for storing and retrieving digital information using rapidly rotating disks (platters) coated with magnetic material.  Data is read in/


Chapter 2 Hardware Systems. 2 Hardware Systems Reading Sequence: 2.1 Processor and Memory 2.2 Peripherals 2.3 Storage Devices 2.4 Putting Together the.

DVD-ROptical4.7 GBWrite once DVD-RWOptical4.7 GBMany DVD-ROM (SLSS)Optical4.7 GBRead only DVD-ROM (DLSS or SLDS)Optical9.4 GBRead only DVD-ROM (DLDS)Optical18.8 GBRead only Hard disk driveMagnetic20 GB and upUnlimited HDD Desktop external hard driveMagnetic20, 30, 40 GB, or/things up at all! 65 Typical Bottlenecks The following are some areas of the hardware system that may contain a bottleneck: Cache RAM I/O Video card (particularly for 3-D gaming)  The cache slows the system down when there is not enough /


+ CS 325: CS Hardware and Software Organization and Architecture Memory Organization.

and instructions Typically 32 bits or 64 bits Past: 16 bits Typical Storage L1 Cache: 32 – 64 KB per core L2 Cache: 128 – 512 KB per core L3 Cache: 2 – 8 MB (shared) L4 Cache: 0 – 128 MB (video memory) Main Memory (RAM): 4 – 32 GB (Typical Desktop) HDD/value Includes capacitor refresh circuits + Read Only Memory (ROM) Permanent storage Microprogramming Library subroutines Systems programs Function tables + Measures of Memory Technology Density Latency and cycle time + Memory Density Refers to memory cells /


Senior 3 Computer Studies. Main Memory CPU Secondary Storage Primary Storage Removable storage HDD.

magnetic hard disks, RAM, SSD’s, and other external storage devices.  Examples of Optical Storage Devices:  CD-ROM  CD-R  DVD-ROM  DVD-R  DVD-RW  CD-RW  DVD-RAM  Blu-ray Disc  Optical devices store data as digital data dots in 1’s and 0’s (lands and pits).  Data/system creates a new FAT entry.  A file can be stored in more than one cluster.  An HDD stores data using magnetic fields (North-South poles) to store and read data on a platter disk.  N-S = 1  S-N = 0 http://computer.howstuffworks.com/


A-Level Computing#BristolMet Session Objectives#7 MUST describe common secondary storage technologies SHOULD explain the need for secondary storage and.

A-Level Computing#BristolMet Secondary Storage We know that primary storage consists of both RAM and ROM. The RAM (Memory) is volatile and is wiped when the power is turned off. ROM is NOT volatile BUT IS read-only, therefore it can only store preloaded / complete a particular job. The processor must then stop what it is doing and complete the request. A-Level Computing#BristolMet Data Transfer Processor Buffer Devices, HDD, printers, mic, web cam Write Read DATA INTERRUPT Buffers are generally regions /


CMPS 101 Computer Literacy Dr. Cong-Cong Xing Dept of Math and Computer Science.

Laptop Computer - Intel Pentium Dual-Core T4200 2.0GHz, 4GB DDR2 RAM, 320GB HDD, DVDRW, 15.4" WXGA, Vista Home Premium 64-bit Computer /sets Data bus:  Connects CPU and RAM and peripherals  Bus width measured by bits Address bus:  Connects CPU and RAM  Width of address bus determines the max # of RAM locations. (why?) CISC vs. / Power PC series  Alpha series Memory RAM (Random-access Memory): the main memory of computers Cache Memory: faster, more expensive ROM (Read-Only Memory): Stores system info, /


1 Reinventing the Workspace Matchless Ultraportability A flexible combination Powerful Security Everywhere Connectivity and Communication Configurations.

A flexible combination Powerful Security Everywhere Connectivity and Communication Configurations Mobile Intel® Pentium® III processor-M 800MHz (low voltage), 10,4" XGA TFT display, 20GB HDD, 256MB SDRAM, 56Kbps modem, wired LAN 10/100, External CD-ROM, 1.44" FDD (external), SmartCard /x1 Dimension: 85x40x19.8mm Net Weight: 49g (w/ battery) Minimum System: Pentium MMX - class CPU 32 MB RAM CD Requirements: ROM USB port Win XP/ME/2000/98 Art. Nr. C001CA PRODUCT DESCRIPTION If youre trying to keep ahead of /


Research For Both Hardware And Software Required In Digital Graphics. By Joanne Hocking.

Rom- CD Rom- A CD rom is a pre-pressed compact disk which contains data. circular optical disk capable of storing large amounts of data. A Cd Rom is a short name for a Compact disc read-only memory. A CD rom/ HDD- Hard Disk Drive- HDD (Hard Disk Drive)- HDD stands for a Hard Disk Drive. This device is for storing data, it is used for storing and retrieving/has a small quantity of embedded memory and takes some of the systems main RAM which then reduces the total of RAM available. A graphics cards main use/


Linux+ Guide to Linux Certification, Third Edition

: /dev/cdrom – symbolic link to first CD-ROM drive /dev/cdrw – symbolic link to first CD-RW drive /dev/dvd – symbolic link to first DVD-ROM drive /dev/dvdrw – symbolic link to first DVD/and free inodes for ext2, ext3, or ext4 filesystem Use –h option Linux+ Guide to Linux Certification, 3e Checking Filesystems for Errors Filesystem corruption: errors in filesystem structure preventing retrieval of data Commonly occurs due to improper system shutdown Syncing: process of writing data stored in RAM to the HDD/


Computer & Network Forensics

run, but run what? The BIOS performs the Power On Self Test (POST) RAM Video Keyboard drives, etc. Master Boot Record Every hard disk must have a /Low density, high density floppies 3½” Low density, high density floppies Bootable CD-ROMs A variety of computers are in use today using media ranging from the very old/ Process, http://www.pcguide.com/ref/hdd/file/structBoot-c.html, April 17, 2001 Primary, Extended and Logical Partitions, http://www.pcguide.com/ref/hdd/file/structPartitions-c.html, 2005 WINDOWS /


+ CS 325: CS Hardware and Software Organization and Architecture Memory Organization.

Main Memory (System RAM) BIOS (EEPROM) External Magnetic Disk (HDD) Non Volatile Solid State (SSD) Optical Magnetic Tape + Memory Storage - Capacity Word size The natural unit of organization Expected size of most data and instructions Typically 32 /Less expensive Slower Asynchronous and Synchronous DRAMs Example: Main memory + Read Only Memory (ROM) Permanent storage Microprogramming Library subroutines Systems programs Function tables + Measures of Memory Technology Density Latency and cycle time + Memory/


William Stallings Computer Organization and Architecture 7 th Edition Chapter 6 External Memory.

HDDs: High-performance input/output operations per second (IOPS) Durability Longer lifespan Lower power consumption Quieter and cooler running capabilities Lower access times and latency rates Comparisons SSD Organization Practical Issues SDD performance has a tendency to slow down as the device is used —The entire block must be read from the flash memory and placed in a RAM/ Constant packing density Constant linear velocity CD Operation CD-ROM Drive Speeds Audio is single speed —Constant linier velocity/


Unit 2 - Hardware Data Storage. How is data stored? ● Data is stored as a combination of 0’s and 1’s (bits). We will learn more about this later! ● Bits.

cache.htm http://computer.howstuffworks.com/cache.htm How do Cache, RAM, and the Hard Drive Interact? Suppose you are a carpenter and you need to find your hammer. ● First, you check /ROM to store the BIOS (bootup sequence) ● Cellphones use ROM to store the operating system (Android, iOS, etc.) and special hardware instructions for the phone. ● How Stuff Works: ROM http://computer.howstuffworks.com/rom.htm http://computer.howstuffworks.com/rom.htm CD & DVD ROM ● Optical storage that uses lasers to read and/


+ William Stallings Computer Organization and Architecture 10 th Edition © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.

down as the device is used The entire block must be read from the flash memory and placed in a RAM buffer Before the block can be written back to flash memory, the entire block of flash/HDDs: © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved. Table 6. 6 Optical Disk Products © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved. + Compact Disk Read-Only Memory (CD-ROM) Audio CD and the CD-ROM share a similar technology The main difference is that CD-ROM players are more rugged and/


Comp 1017: Digital Technologies Session 4: Memory and Storage.

data storage Often hard-wired to processor Volatile (non-permanent) or non-volatile (remains after switch- off) Used for RAM (volatile) and ROM (non- volatile) Also some game cards needing fast access Memory chip from http://www.9thtee.com/tivomemory.htm Memory board from/Hard disk from http://www.tlc9.com/datarecovery/ Hard Disk from http://www.pcguide.com/ref/hdd/op/index-c.html Hard drive format Tracks and sectors similar to floppy drives Sectors are of 512 bytes each of variable angle to take account/


Computer Components. RAM – Random Access Memory Computers use two types of storage: Temporary and Permanent Long-term storage is for information computers.

Memory Computers use two types of storage: Temporary and Permanent Long-term storage is for information computers use again and again, such as the instructions the computer prepares itself with every time you turn it on. These instructions are stored in read only memory (ROM), a type of memory that does not accept new information. RAM is a volatile storage device meaning that when/


IT Essentials: PC Hardware and Software 1 Chapter 2 How Computers Work.

the controller circuitry, the bus, RAM, expansion slots for additional boards, and ports for external devices. In addition, it contains the CMOS and other ROM BIOS and support chips providing varied functionality. IT Essentials: PC Hardware and Software 6 Motherboard Form Factors Motherboards /to 7; #0 for the primary boot device (hard drive), and #7 for the SCSI controller card. IT Essentials: PC Hardware and Software 20 Hard Disk Drive The HDD has a much larger storage capacity than the floppy for long-/


GSBUG Hardware Info SIG May 8, 2003. 2 GSBUG Hardware Info SIG Agenda – May 8, 2003 7:00 – 7:05 Administration 7:05 – 8:15 Featured Topic – System RAM.

video cameras, HDDs. May 8, 200322 GSBUG Hardware Info SIG Other Motherboard Features: 2003 Upd (cont.) Other Interfaces, Misc. Internal data cable connectors – floppy, IDE, SCSI USB and IEEE-1394 header(s) IrDA (infrared) header CD-ROM (audio interface)/ lights (power, HDD activity, sleep) & switches (power, reset, sleep) Jumpers and/or DIP switches (CMOS clear/flash, CPU multiplier, CPU voltage, bus speeds, keyboard power-on, suspend-to-RAM, etc.) Power (ATX, ATX12V, WTX, proprietary) Show-and-Tell May 8/


File System Extensibility and Non- Disk File Systems Andy Wang COP 5611 Advanced Operating Systems.

-2 10 -1 10 1 10 2 paper/film 3.5” HDD 2.5” HDD 1” HDD Persistent RAM Booming of digital photography 4 to 10 GB of persistent RAM Conquest Design and build a disk/persistent- RAM hybrid file system Deliver all file system services from memory, with the /ROM Holds data without power supply Reads are fast Can be written once, more slowly Can be erased, but very slowly Limited number of erase cycles before degradation (10,000 – 100,000) NOR Flash Used in cellular phones and PDAs Byte-addressible Can write and/


Chapter 1 Introduction to the Personal Computer. Chapter 0 and 1 Section Objectives 0.2 Explain IT industry certifications and technician jobs 1.1 Identify.

to the voltage multiplied by the current. P = VI Internal Components Identify the names, purposes, and characteristics of: Motherboards CPUs Cooling systems ROM and RAM Adapter cards Storage drives Internal cables Motherboards The motherboard is the main printed circuit board. Contains /The hard disk drive (HDD) is a magnetic storage device. The storage capacity is measured in gigabytes (GB) or terabytes (TB) Magnetic hard drives have drive motors designed to spin magnetic platters and move the drive heads. /


What is a computer ? A Computer is an electronic device which takes input through input devices, processes it and gives the output through output devices.

Memory Input Unit Output unit Types of computers Components of a computer Motherboard Processor Primary Storage Devices – RAM (Random Access Memory) – ROM (Read Only Memory) Secondary Storage Devices – HDD (Hard Disk Drive) – Optical Drives (CDROM, DVD, etc) – Floppy Disk drive SMPS /port LAN Port : Used to connect PC to the Local Area Networks. Chipsets NORTH BRIDGE: –It controls the processor and RAM (high speed devices) –It is placed nearer to the processor –It also contains graphic processor – It is also/


Microsoft Office 2010 Introduction to Computers. Objectives Define the term computer and discuss the four basic computer operations: input, processing,

/learn/ca/en/cadhs1/help-me-choose/hmc- processor-intel-dt-anav?c=ca&l=en&s=dhs 21 RAM and ROMRAM (random access memory)- memory used for data you are working on. Non-permanent memory. Volatile. – The amount of/ contains one or more inflexible, circular platters that magnetically store data, instructions, and information Solid State Drive (SSD) Hard Disk Drive (HDD) 30 Hard Drives http://www.dell.com/learn/ca/en/cadhs1/help- me-choose/hmc-hdd-desktop- consumer?c=ca&l=en&s=dhs 31 Storage Devices An optical/


Computer Structure 2013 – PC Structure and Peripherals 1 Computer Structure PC Structure and Peripherals Lihu Rappoport and Adi Yoaz.

checked at power-up to create a bad block map in RAM  Each write is verified, and block is remapped in case of write failure  Memory /Serial and parallel ports, keyboard, mouse, floppy disk controller  Other: Trusted Platform Module (TPM), Boot ROM u Direct Media Interface (DMI)  The link between an Intel north bridge and /dBA29 dBA Seek acoustics33dBA30-34 dBA Computer Structure 2013 – PC Structure and Peripherals 27 HDD Example Performance Specifications Rotational Speed 7,200 RPM (nominal) Buffer Size /


Linux Linux Filesystem Administration. 2 Objectives Identify the structure and types of device files in the /dev directory Understand common filesystem.

directory Character devices: Transfer data to and from system character by character Block devices: Transfer chunks or blocks of data using physical memory as a buffer –Fast data transfer –CD-ROM, HDD, floppy disks 5 The /dev /and free inodes for ext2 or ext3 filesystem –Use –h option 33 Checking Filesystems for Errors Filesystem corruption: Errors in filesystem structure preventing retrieval of data –Commonly occurs due to improper system shutdown Syncing: Process of writing data stored in RAM to the HDD/


Basic definitions and history of the Computer Systems

and modify 72 numbers, each 23 decimal digits long. This separation of data and instructions is known as the Harvard architecture. First computers ENIAC (Eckert, Mauchly 1943 - 1945) – lack of RAM operational memory, programming by rewireing (later by function table in ROM/interface (GUI), good support for multimedia, floppies and HDD as mass-storage, high-resolution black & white or color CRT monitors. Generation 4 computers (4) Desktop microcomputers of 1980-ties and early 1990-ties – 16 or 32-bit /


Chapter 3: Storage.

to avoid contamination and to enable the discs to spin faster Hard Disk Drives (HDDs) Hard Disk Drives (HDDs) Organized into tracks, sectors, and clusters like / part of RAM used to store additional data adjacent to data retrieved during a disk fetch to improve system performance Partitioning and File Systems Partitioning/ROM (compact disc read-only memory) Usually holds about 650 MB DVD-ROM (digital versatile disc read-only memory) Holds 4.7 GB (single-sided); 8.5 GB (double-sided) BD-ROM and HD DVD-ROM/


Freescale Semiconductor General Business Information Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product.

2 Virtual DMAs 128 K I-MEM (ROM) Communications Processor Module (CPM) 32K DPRAM 32K I-RAM Serial Interface Time Slot Assigner 8 TDM Ports/Card Edge Connector (Agent Only) USB Full Speed Expansion Connectors CD-ROM with design, reference, and complete documentation Linux and Precise/MQX BSP WireTAP™ JTAG/COP Run Control Power Supply & Cables/ SDRAM MOST GPU Audio Subsystem Total5200 Development Platform MPC5200 CD ROM DVD HDD Bluetooth 802.11 Cellular GPS, Gyro Navigation Audio DSP Radio SDAR /


Introduction to Computers and Information Systems BIL101E

computer INPUT SYSTEM OUTPUT Keyboard Mouse Scanner ... CPU Mainboard HDD .... Screen Printer Speakers ... Keyboard and mouse. Joystick Monitor Printer Scanner Loudspeakers External drives External tape station External modem The mainboard: CPU, RAM, cache, ROM chips with BIOS and start-up programs. Chip sets (controllers). Ports, buses and expansion slots. Drives: Hard disk(s), floppy drive(s), CD-ROM, etc. Expansion cards: Graphics card (video adapter), network controller/


Windows installation and upgrades Unit objectives: Install a Windows operating system Upgrade from one version of Windows to another.

Best with 5.1 or 7.1 surround sound Windows and netbooks HardwareWindows XP/Vista Window 7 Starter or Home Basic Screen size<= 12.1”<= 10.2” Memory1 GB RAM Storage160 GB HDD 32 GB SDD 250 GB HDD 64 GB SDD Graphics<= DX9No limitation TouchResistive touch only No/share Windows 2000/XP installation Boot to CD or DVD In MS-DOS, access CD-ROM drive and run winnt.exe In previous version of Windows, access CD-ROM drive and run winnt32.exe Boot from a USB device Network installation Copy installation files from disc/


A+ Guide to Managing and Maintaining Your PC Fifth Edition Chapter 5 The Motherboard.

and Maintaining Your PC, Fifth Edition Motherboard Components CPU and accompanying chip set ROM BIOS RAM Buses and expansion slots Components used to change hardware configuration settings  Jumpers  DIP switches  CMOS configuration chip 7 A+ Guide to Managing and/ HDD Auto-detect  Hardware Device Settings 45 A+ Guide to Managing and Maintaining Your PC, Fifth Edition Protecting Documentation and Configuration Settings Keep up-to-date written records of CMOS settings, hardware and software installed, and /


Information technology. Computer Users Use computers for work and personal tasks. Do not necessarily have much technical knowledge. When they need technical.

Unit (CPU). Memory – Storage area which is reserved for data and communicated with processing hardware comes under memory hardware category. E.g. Random Access Memory (RAM), Read Only Memory (ROM). Input – The devices through which we can give instructions to /RAM is available for the CPU With virtual memory computer look at RAM for areas that have not been used recently and copy them to HDD. This frees up space in RAM to load new application. OS constantly swap information back and forth between RAM and HDD/


Chapter 7 Storage.

years or so, says Mr Pait. http://news.bbc.co.uk/1/hi/technology/4080182.stm Perpendicular Storage http://www.hitachigst.com/hdd/research/recording_head/pr/ Click on Get Perpendicular animation Terabyte Living Mr Pait thinks that … in about five years PCs will have /disc on which users can read but not write or erase Requires a DVD-ROM drive A Blu-ray Disc-ROM (BD-ROM) has a storage capacity of 100 GB DVD-RW, DVD+RW, and DVD+RAM are high-capacity rewritable DVD formats -- Hybrid (DVD±RW) drives How should/


IT Essentials: PC Hardware and Software v4.0.  1.1 Explain the IT industry certification  1.2 Describe a computer system  1.3 Identify the names, purposes,

it is manufactured. EEPROM chips are also called Flash ROMs. An EEPROM chip can be erased and re-written without having to remove the chip from the computer.  Temporary storage for data and programs that are being accessed by the CPU  Volatile/main memory. Error Checking  Memory errors occur when the data is not stored correctly in the RAM chips.  The computer uses different methods to detect and correct data errors in memory. Adapter cards increase the functionality of a computer by adding controllers /


… refers to the tangible parts of a computer or digital device, and typically includes support for processing, storage, input, and output. Hardware In.

Memory (RAM)Magnetic Storage Video MemoryOptical Storage Read Only Memory (ROM)Solid-State Storage Concepts > Hardware > Storage Random Access Memory (RAM) Random access memory (RAM) is temporary, or volatile, memory that stores bytes of data and program instructions/such as transistors, and unlike magnetic and optical media, does not require any moving mechanical parts. Links: Video: Samsung SSD vs HDD Solid-state storage offers fast access times, is increasing in capacity each year, and the cost continues/


Training SM350 Modules and Code Swapping By: Robert Abutan.

Training SM350 Modules and Code Swapping By: Robert Abutan Agenda 8051 HW restriction Modules Swapping limitation Code swapping Cello 8051 HW Restriction Only 64 Kbytes Program Memory: –32 Kbytes ROM –32 Kbytes RAM SM350 needs to support: –Codec Initialization –Display & Drawing –User Interface –Audio –Recording –USB –Etc… Modules Can be categorized into 4 basic main modules: –External ROM module (optional) –Initial module –User Interface module/


1 Computer Hardware Unit B. 2 Objectives Introduce Storage Technology Compare Storage Technologies Compare Storage Media and Devices Explore Floppy Disk.

CD-ROM and DVD-ROM Discs CD-ROM discs cannot be written to or erased and typically hold 650 MB (e.g. music CDs). DVD-ROM discs are similar to CD-ROM discs,/ High Density (HD or HDD) –HD DS means “high density, double- sided” 28 Floppy Disks 3½” disk: 1.44 MB Zip disks (Iomega): 100, 250 and 750 MB SuperDisks (Imation/ within the computer –Between RAM and CPU –Between RAM and storage devices Expansion Bus –Part of data bus between RAM and the peripherals 50 Expansion Slots and Cards Cards also called expansion/


ICT Unit 3 Storage Devices and Media. What is backing up of data? Backing up refers to the copying of file to a different medium It’s useful if in case.

650 nanometers wavelengths, CD uses 780 nanometers CD-ROM and DVD-ROM UsesAdvantagesDisadvantages Used to store music files, software… DVD-ROMs have a much larger storage Used in applications / to do a rewrite operation over 100 000 times Writing on DVD-RAMs is very reliable Very fast access No need to finalize the disk / power consumption Run much cooler than HDDs There are no moving parts, very thin Data access is considerably faster than HDD Memory Sticks/Pens Drives UsesAdvantagesDisadvantages Transport /


1 Computer Hardware Unit B. 2 Objectives Introduce Storage Technology Compare Storage Technologies Compare Storage Media and Devices Explore Floppy Disk.

storage capacity of 3 ½” disks –Slower than hard disk drive High Density (HD or HDD) –HD DS means “high density, double- sided” 26 Hard Disks (Fixed Disks) One/of tape Tape cartridge is removable Internal or external models 28 CD Technology CD-ROM: Compact Disk Read-Only Memory –Manufactured; cannot change; 680 MB CD-R/within the computer –Between RAM and CPU –Between RAM and storage devices Expansion Bus –Part of data bus between RAM and the peripherals 45 Expansion Slots and Cards Cards also called /


Linux Clustering A way to supercomputing. What is Cluster? A group of individual computers bundled together using hardware and software in order to make.

nominal frequency 2.26GHz Processor Model Xeon E5520 Processors supplied 2 Quad core Memory RAM capacity 24GB Memory (6x4GB), Memory type DDR3 Memory frequency 1066MHz Quad Ranked RDIMMs Storage HDD 146GB 15K RPM Serial- Attach SCSI RAID module PERC 6/i SAS RAID Controller/network interface card that supports a TCP/IP stack At least 4GB total free space – 2GB under and 2GB under /var A Floppy Drive A CD-Rom Drive Server (Head) node is responsible for servicing the requests of client nodes. Front End Back End/


Computer Architecture 2009 – PC Structure and Peripherals 1 Computer Architecture PC Structure and Peripherals Dr. Lihu Rappoport.

u DDR3 DIMMs  240 pins, the same number as DDR2, and are the same size  Electrically incompatible, and have a different key notch location Computer Architecture 2009 – PC Structure and Peripherals 24 SRAM – Static RAM u True random access u High speed, low density, high /system (e.g., a hard disk and a CD-ROM) It is better to put them on different channels  Avoid mixing slower (CD) and faster devices (HDD) on the same channel  If doing a lot of copying from a CD-ROM drive to the CD-RW Better performance/


Unit 15 - Computer Game Technologies and Platforms L/600/6610 LO1 - Understand Game Platform Types.

s Memory 256MB (25.6 GB/s) 256MB (20.8 GB/s) 20-80GB HDD 2x Blu-ray (72Mbps) Xbox 360 (2005) IBM Xenon 3.2GHz, Three Cores 1MB/ with additional features such as camera and in built MP3 (AAC) playback, faster processor, increased RAM, internal storage capacity, an additional SD card reader, larger screens and improved speakers BUT has lost the / has in built WiFi to allow wiresless play and access to Multiplayer games over the internet.  Nintendo’s DS uses ROM cartridges but the DSi has the added facility of/


Click the graphic for assessment. Chapter1 Learn about the various parts inside a computer case and how they connect together and are compatible Learn.

inline memory module (DIMM) slots hold memory modules Chapter110 Figure 1-6 A DIMM holds RAM and is mounted directly on a motherboard Hard drives and other drives  Hard drives may also be called hard disk drive (HDD)  Permanent storage used to hold data and programs  Other drives include: optical drive and tape drive Chapter111 Figure 1-7 Two types of hard drives (larger magnetic drive/


EMB320 Windows CE 5.0 Image Configuration, Boot Loaders, And Security Jeff Glaum, Software Development Manager Glen Langer Program Manager Windows CE Core.

Configuration Building an Image Boot Loaders Boot Loader Security Resources MEDC Call to Action Q and A ROM Image Builder OS image is created by the ROM image builder tool (romimage.exe) Romimage.exe runs at the end of the build /to Action Q and A Boot Loader Overview Design is affected by Design is affected by Hardware choices (flash): XIP versus copy-to-RAM Manufacturing/process requirements: download transport Typical variations Load mechanism: Ethernet, USB, serial, local storage (flash, HDD, DOC, CF/


Click the graphic for assessment. Chapter1 Learn about the various parts inside a computer case and how they connect together and are compatible Learn.

inline memory module (DIMM) slots hold memory modules Chapter110 Figure 1-6 A DIMM holds RAM and is mounted directly on a motherboard Hard drives and other drives  Hard drives may also be called hard disk drive (HDD)  Permanent storage used to hold data and programs  Other drives include: optical drive and tape drive Chapter111 Figure 1-7 Two types of hard drives (larger magnetic drive/


Memory management Lecture 7 ~ Winter, 2007 ~.

and the user program above OS at the top of memory (ROM) and the user program bellow OS at the bottom of memory, device drivers in ROM (mapped at the top of memory – BIOS) and/and brought in to run dynamically swap out (memory  HDD) swap in (memory  HDD) at one moment a process is entirely in the memory to be run or entirely on the HDD Swapping An example Swapping Advantages and/1 Pages and frames are the same size PageSize is typically be a value between 512 bytes and 64KB Transfers between RAM and disk /


Computer Architecture 2010 – PC Structure and Peripherals 1 Computer Architecture PC Structure and Peripherals Dr. Lihu Rappoport.

The high latency of DDR3 SDRAM has negative effect on streaming operations Source: xbitlabsxbitlabs Computer Architecture 2010 – PC Structure and Peripherals 24 SRAM – Static RAM u True random access u High speed, low density, high power u No refresh u Address not multiplexed u /system (e.g., a hard disk and a CD-ROM) It is better to put them on different channels  Avoid mixing slower (CD) and faster devices (HDD) on the same channel  If doing a lot of copying from a CD-ROM drive to the CD-RW Better /


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