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24 Cards in this Set

  • Front
  • Back

What are the different computer components?

processor, operating system, software, instructions, fetch/execute cycle, and memory

What is a processor?

device that performs computations



ex: computer, microprocessor, central processor CPU, and core

What is an operating system?

software that allows applications to run on the computer

What are the tasks of the operating system?

loading programs, sharing memory, locating files, and interfacing with the user

What is software?

applications or programs found on computing devices which run by performing designed instructions like algorithms

What are instructions?

small steps and tasks designed to be performed at very fast rates

What is the Fetch/Execute Cycle?

process where instructions are performed by processor

What is memory?

comes in the form of encoded binary bits which are accessed during the fetch/execute cycle

What are the steps of the Fetch/execute cycle?

instruction fetch, instruction decode, data fetch, instruction execute, result return

What are the five subsystems of a computer?

memory, control unit, arithmetic/logical unit, input unit, and output unit

What is the memory's use?

stores program running and data program is operating on

What is the control unit's use?

hardware that performed fetch/execute cycle

what is the arithmetic/logic unit use?

performs mathematic and logical opperations

what is the input unit use?

hardware that takes user commands

what is the output unit use?

hardware that gives user feedback

what are discrete locations?

byte sized memory organized in a sequence

What is the finite capacity?

each location has limited memory

What does the circuitry inside the Control unit do?

fetches instruction from memory and performs opperations

What does assembly language do?

connects and converts binary and source code

what is compiling?

a process that translates between source code and binary code

what is the assembler?

converts human words to binary

How many bytes of memory does a machine instruction use?

One

How many parts does the processor have?

Eight

Modern computers know how many instructions?

About one-hundred