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Data Processing

Computer Fundamentals

Key Points

  • Generation 1: vacuum tubes; Gen 2: transistors; Gen 3: ICs; Gen 4: microprocessors
  • CPU: Control Unit + ALU + Registers
  • RAM: volatile (loses data when off); ROM: non-volatile
  • 1 byte = 8 bits; 1 KB = 1024 bytes; 1 MB = 1024 KB
  • Binary: base 2; Octal: base 8; Hexadecimal: base 16

Practice Questions

4 questions
1

Which generation of computers used vacuum tubes?

2

1 Kilobyte (KB) is equal to:

3

Which of the following is an example of an output device?

4

The brain of the computer is the: