The document provides information about computer hardware and components. It defines hardware as the physical parts of a computer system that can be touched, such as monitors, processors, and printers. It also explains that software refers to programs and data used with the computer. The document then covers various computer components in more detail, including the central processing unit, memory, storage devices, input devices, and output devices.

1. Computer Hardware

2. Backing Storage Devices

3. Input Devices

4. Output Devices

8. IPO - Input, Process, Output INPUT PROCESS OUTPUT Data is INPUT into the computer system It is then PROCESSED to produce useful Information as OUTPUT .

12. The central processing unit (CPU) This is the part of the computer where the searching and sorting of data, calculating and decision-making goes on. The CPU contains the processor [ Control Unit and the Arithmetic and Logic Unit (ALU) ] and the Main Memory

18. Bits and Bytes [BINARY]

23. Hardware Devices

25. Backing Storage Devices

31. Formatting A Floppy Disk No data is stored on the outside or inside tracks of the disk Tracks Index Sector

39. Input Devices

43. Touch Screen A touch screen can detect exactly where, on its surface it has been touched. Touch screens are used in a lot of fast food chains and restaurants because they are easy to keep clean and re-program if changes need to be made to the menu.

48. Output Devices

58. Monitor- Output Printer- Output Central Processing Unit Mouse- Input Keyboard- Input A Computer System ?