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16 Cards in this Set
- Front
- Back
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What is a computer? |
A tool for representing and manipulating information. |
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What is a central processing unit?
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The part of a computer where operations are controlled and executed. |
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What are the five main parts of computer hardware? |
The CPU, main memory, secondary memory, Input devices, and output devices |
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What does a compiler do? |
It takes a high level language and then converts it into machine language. |
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What is memory in a computer? |
The part of a computer that stores instructions and data. |
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How is memory ordered? |
Memory is ordered by sequence of storage of location in things called memory cells. |
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What is information stored as in a computer? |
Information is stored as patterns of 0's and 1's. |
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What is the function of primary memory(RAM)? |
Primary memory is used to store information currently being passed by the CPU. |
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What happens to primary memory when the computer is turned off? |
It's contents are erased. |
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What is the function of secondary memory? |
To permanently store memory content. |
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What are the two main things the central processing unit does? |
1.)It controls operation of the entire system.
2.)It gets values from memory cells, manipulates them, and then puts them back in memory. |
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What two parts make up a CPU? |
A control unit(CU), and an arithmetic logic unit(ALU).
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What is the control unit responsible for? |
The control unit is responsible for the flow of information between various units. |
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What does the arithmetic logic unit do? |
It performs arithmetic operations, compares information, and makes decisions based on logic. |
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What are input/output devices? |
The parts of the computer that accept data to be processed as input and present the results of the processing as output. |
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What is a program? |
A sequence of instructions that tell the computer how to process data to produce results. |
