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6 Cards in this Set
- Front
- Back
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List the five major hardware components of a computer system. |
1.) The central processing unit (CPU) 2.) Main memory 3.) Secondary storage devices 4.) Input devices 5.) Output devices |
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Internally, the CPU consists of what two units? |
1.) Arithmetic and Logic Unit 2.) Control Unit |
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Describe steps in the fetch/decode/execute cycle. |
Fetch - The CPU's control unit fetches, from main memory, the next instruction in the sequence of program instructions. Decode - The instruction is encoded in the form of a number. The control unit decodes the instruction and generates an electronic signal. Execute - The signal is routed to the appropriate component of the computer (such as the ALU, a disk drive, or some other device). The signal causes the component to perform an operation. |
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What is a memory address? What is its purpose? |
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What are two general categories of software? |
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What fundamental set of programs control the internal operations of the computer's hardware? |
1.) Operating Systems 2.) Utility Programs 3.) Software Development Tools |
