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Introduction to Computers Instructor: Brad Atkinson.

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1 Introduction to Computers Instructor: Brad Atkinson

2 Have you ever felt like this? How about this?

3 A computer is an electronic device that has the ability to store, retrieve, and process data, and can be programmed with instructions that it remembers. The physical parts that make up a computer are called hardware. Programs that tell a computer what to do are called software.

4 Areas of Discussion Hardware Software

5 Hardware

6 The physical components which make up a computer system. The keyboard, mouse, CPU, memory, storage devices, printer, and monitor are a few of these components.

7 Terms CD-ROM – Stores information/instructions on disk in a read only format. Floppy Disk – Made of thin, Mylar plastic that is used to store information. Hard Drive – A disk drive that reads from and writes to a hard disk. The Hard Drive stores large amounts of information magnetically, also known as the C drive. Peripheral – Hardware device connected to the computer. Ethernet Card – A network adapter that enables a computer to connect to a network. Modem – An electronic device for converting between serial data from a computer and an audio signal suitable for transmission over telephone lines.

8 Terms Monitor – Also called a display, or screen, where information is displayed in pixels. CPU (Central Processing Unit) – Processes data and instructions, performing calculations on the data. Also called the Processor. Memory – Temporary storage space on a chip inside the computer used to hold programs and data temporarily while being accessed. RAM (Random Access Memory) – The amount of RAM determines the number of computer programs which you can run at once and how fast the programs will be processed.

9 Inside your computer Processor Memory

10 Inside your computer CD-ROM Drive Floppy Drive Hard Drive

11 Hooking up your Premio computer Power Cord Keyboard Mouse Network USB Parallel Monitor Speakers

12 Front of Dell Desktop 1. Front-panel door 2. Headphone connector 3. USB connectors 4. CD/DVD drive eject button 5. Floppy-drive eject button 6. Floppy-drive activity light 7. Hard-drive activity light 8. Power button 9. Power light 10. Front-panel door

13 Back of Dell Desktop 1. Back panel connectors 2. Security cable slot 3. Padlock ring 4. Card slots 5. Voltage selection switch 6. Power connector

14 Front of Dell Tower 1. CD/DVD-drive eject button 7. Power button 6. USB connectors 5. Headphone connector 4. Front air vents 3. Front-panel door 2. Hard-drive activity light 9. Floppy-drive activity light 10. Floppy-drive eject button 8. Power light

15 Back of Dell Tower 1. Power connector 2. Voltage selection switch 3. Back panel connectors 4. Card slots

16 Connections on Dell Computer 1. Serial connector 2. Link integrity light 3. Network adapter connector 4. Network activity light 5. Line-in connector 7. Microphone connector 8. USB connectors 9. Diagnostic lights 10. Video connector 11. Parallel connector 6. Line-out connector

17 Connecting the Printer Parallel connector USB connector

18 Software

19 Instructions which ‘tell’ the computer how to process information. There are two types of software; Operating System and Application Software. Windows is an examples of an Operating System. Application software are programs which fall under some of the following categories: utility, educational, data management, multimedia, productivity.

20 Terms Icon – Picture displayed on the screen which represents a program, file, or folder, which is accessed by double-clicking with the mouse. File – A file is a collection of data, or information, stored on your computer or disk. Folder – A folder is a place where you can organize files or documents. A folder is also known as a directory.

21 Size & Speed Info These sizes refer to the size of memory, hard drive space, and files on your computer. Kilobyte (KB) – 1 thousand bytes. Megabyte (MB) – 1 million bytes. Gigabyte (GB) – 1 billion bytes. These sizes refer to the processor speed of a computer. Megahertz (MHz) – Millions of cycles per second. Gigahertz (GHz) – Billions of cycles per second.

22 Novell Login on Windows 98 Always click “OK” to login to the network, otherwise you won’t be able to access such programs as AR or A+.

23 Novell Login on Windows XP Click “OK” for normal login. Click “Advanced” to login as Teacher on the computer.

24 Novell Login on Windows XP Click on the “Windows” tab. Change Student to Teacher.

25 Novell Login on Windows XP Click “OK” to login as Teacher.

26 Novell Login on Windows XP Check “Workstation only” only when the server is down and you still need into your computer.

27 Desktop Taskbar Icons Desktop

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