This document summarizes key hardware components of a computer system including the system unit, central processing unit, memory types, data representation using binary digits, input/output devices, display devices, system clock, optical discs, and control units that carry out basic operations like fetching, decoding, executing, and storing instructions. It also lists sources in a bibliography.

1. Chapter 4 Hardware For Educators Ashley Sabat Teresa Woods Jennifer Veras

5. Processing

6. Output

8. Decoding- translate instructions into orders

9. Executing- carries out commands

11. ROM- Stores info that does not change. (Read Only Memory)

13. These two states are represented by electronic circuits that represent by 1 or 0.

14. Using the Binary system equals 2 digits.

15. Bit- Binary Digit

16. Creates over 256 characters, provides combinations of 0’s and 1’s.

19. Commands

20. Programs/Software

22. Graphics

23. Audio

26. Clock speed- measured GHz

27. Giga- one billion

28. Hertz- cycle per second

30. R-recordable

31. CD-RW

32. CD-R

33. CD-ROM