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CPSC 120 - Chapter 1 Complete Questions And Answers
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CPSC 120 - Chapter 1 Complete Questions And Answers
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CPSC 120 - Chapter 1 CompleteQuestions And Answers
Computer CORRECT ANSWERS Programmable machine designed to follow
instructions
Program/Software CORRECT ANSWERS instructions on the computer to make it to do
something
Programmer CORRECT ANSWERS Person who writes instructions to make the
computer perform a task
Hardware CORRECT ANSWERS PHSYICAL components of a computer (CPU, RAM,
secondary storage devices, input devices, output devices)
Input devices CORRECT ANSWERS webcam, keyboard, scanner
Output devices CORRECT ANSWERS Screen, printer, speakers, etc.
CPU CORRECT ANSWERS Components of the CPU:
Control unit - Retrieves and decodes program instructions.
Coordinates Computer operations
Arithmetic & Logic Unit (ALU) - Performs mathematical operations
CPU's role CORRECT ANSWERS Fetch - get the next program instruction from main
memory
Decode - Interpret the instruction and generate a signal
Execute - Rout the signal appropriate component to perform an operation
Main memory CORRECT ANSWERS aka, RAM
Holds program instructions and data
Volatile - Erased when comp turns off or program terminates
Bit CORRECT ANSWERS Binary digit - smallest piece of memory
Has values of 0 (off) or 1 (on)
Byte CORRECT ANSWERS Comprised of 8 consecutive bits - has an address
Word CORRECT ANSWERS Usually 4 consecutive bytes
Secondary Storage CORRECT ANSWERS It is non-volatile, it is retained when when
program ends or computer turns off
Such as - internal/external drives, CD, flash drives, etc
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