The document discusses the basic parts and functions of a computer. It explains that computers have input devices like keyboards and mice, processing components like the CPU and memory, and output devices like monitors and printers. The main internal computer components are then listed as the motherboard, microprocessor, memory, hard drive, optical drive, graphics card, sound card, and network card. Units of data such as bytes, kilobytes, megabytes, and gigabytes are also defined.

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4. Parts of Computers

5. HOW COMPUTERS WORK? Input Output Processing

6. HOW COMPUTERS WORK? Input Devices Keyboard Mouse Joystick Gra phic tablet …… Central Processing Unit (CPU) Memory (RAM) Output Devices Monit o r Printer ….. Storage Devices Harddisk, Disk Drive , CD , DVD, …..

7. Computer Parts

9. Unit of Data Unit of Data = byte ( A byte is the unit most computers use to represent a character such as a letter, number, or typographic symbol ) 1024 byte = 1 K B (K ilobyte ) 1000 KB = 1 MB (M egabyte ) 1000 MB = 1GB (G igabyte )