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Computer Generations How many generations of computer? What are these
First Generation 1946-1959. Vacuum tube based Harvard Mark I - The first modern digital computer (1942)
Second Generation 1954-1965. Using transistor The SAGE Computer Network (about 1954)
Third Generation 1965-1971. use of Integrated Circuits (IC's)
Apollo Guidance Computer (1968)
Forth Generation 1971-1980. Very Large use of Integrated Circuits (IC's)
Apple I (1976)
Fifth Generation 1980-till date. Ultra Large Scale Integration
The Apple Macintosh (1984)
Dynacam - the first digital camera (1990) The first consumer digital camera. Saved a 320 x 240 pixel image, interfaced to an Apple Macintosh
Central Processing Unit (CPU) Brain of Computer IT Process all input data and provides output to hardware CPU speed measured in Gigahertz (GHz) 1 Gigahertz (GHz) = 1000,000,000 cycles per second More higher CPU speed is more higher performance
Computer Hardware Motherboard
RAM (Random Access Memory)
Computer Hardware Hard Disk Drive (HDD)
Operating System (OS)
History of Windows OS 1975–1981: Microsoft boots up-History of Windows OS
What is the First Window of Microsoft?
1985: Introducing Windows 1.0
1990-Windows 31990-Windows 3
1995: Windows 95—the PC comes of age (and don't forget the Internet)
1998: Windows 98
1999: Windows Me
2000: Windows 2000 Professional
2001–2005: Windows XP—Stable, usable, and fast
2006–2008: Windows Vista—Smart on security
2009: Windows 7 introduces Windows Touch
2012: Windows 8 features apps and tiles
2013: Windows 8.1 expands the Windows 8 vision
Bit0 or 1 the Smallest Unit 8 Bits1 Byte 1 Kilobyte (K.B)1024 Bytes 1024 Kilobyte (K.B)1 Megabyte 1024 Mega Byte1 Gigabyte 1024 Gigabyte1 Terabyte 1024 Terabyte1 Exabyte Computer Memory Measurement
Yahoo Old Days
Google Facebook Drone
1. The parts of a computer you can see and touch Hardware.
1.00 Computer Basics 1.01 Classify computer component. 1 Primary sources of information and images: GCFLearnFree.org, Microsoft Digital Learning E-Learning.
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What is Information Technology? Technology that enables information to be used to produce products and services.
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Lecture 2 “Structure of computer” Informatics. Computer is general purpose device that can be programmed to carry out a set of arithmetic or logical.
An Overview of the Computer System lesson 1. This lesson includes the following sections: The Parts of a Computer System Looking Inside the Machine Software:
Hardware Lesson 3 Inside your computer.
Computer Parts. Two Basic Parts Hardware & Software.
Chapter 2: Hardware Basics Section I: Preparing to Use Technology.
Know the Computer Multimedia tools. Computer essentials.
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Computer Basics. What is a Computer? A computer is a machine that can take inputs from the user, process that information, store that information as needed.
Computer Guts and Operating Systems CSCI 101 Week Two.
What is Hardware? Hardware is the physical parts of the computer system – the parts that you can touch and see. A motherboard, a CPU, a keyboard and a.
© Paradigm Publishing Inc. 4-1 OPERATING SYSTEMS.
Computer Performance & Storage Devices Computer Technology 1.
Computer Basics COMPUTER TECHNOLOG Y 1. What Is a Computer? An electronic device Accepts data and instructions Manipulates, processes, and displays the.
Chapter 1 An Overview of the Computer System Web Site:
The Computer System CS 103: Computers and Application Software.
What does a computer do? Accepts data through inputting Processes data Stores data Outputs data.
Computer Basics & Computer Evolution 1642 Blaise Pascal – mechanical adding machine.
Hardware The physical parts of the computer. /index.php/t html Use link to make analogy to hardware and kitchen.
The all- transistorized 1401 was introduced in Shown in the background (from left) are the IBM 1402 Card-Read Punch, 1401 Processing Unit, 1403.
Basic Computer Terms & Concepts. Computer System A collection of devices, each with a special function. Four components of a computer system: »Input »Output.
Introduction to Hardware. What is binary? We use the decimal (base 10) number system Binary is the base 2 number system Ten different numbers are used.
History of Information Technology Georgia CTAE Resource Network Curriculum Office, June 2009 To accompany curriculum for the Georgia Peach State Career.
Review Everything you need to know for the 1 st Quarter Test.
Computer Terms. Terms 1. RAM 2. ROM 3. CPU 4. Modem 5. Hard Drive 6. Megabyte 7. Gigabyte 8. Terabyte 9. Input device 10. Output device 11. Directory.
Course ILT Basics of information technology Unit objectives Define “information technology” (IT), distinguish between hardware and software, and identify.
An Overview of the Computer System lesson 1 essential concepts.
By Ellen Glennie & Bella Pearce. The motherboard The motherboard is the main compartment of the computer. The motherboard is the source that everything.
By: Mr Hashem Alaidaros MIS Main points Definition of Computer Hardware components: CPU : Bit and bytes Storage Input and output device Communication.
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Technology Guide 1 Hardware. Agenda Computer system Computer types Devices Source data automation Selection Criteria.
1B-* Parts of the Computer System Computer systems have four parts –Hardware –Software –Data –User.
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