COMPUTER SCIENCE AND ENGINEERING
COMPUTER ARCHITECTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Data bus
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Instruction Bus
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Control bus
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Process bus
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Address bus
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Detailed explanation-1: -There are different types of buses and each type has a different purpose. The Address bus carries addresses. The Data bus carries data. And the control bus carries control instructions issued by this place, the Control Unit.
Detailed explanation-2: -Fetch – gets the next program command from the computer’s memory. Decode – deciphers what the program is telling the computer to do. Execute – carries out the requested action. Store – saves the results to a Register or Memory.
Detailed explanation-3: -In the Advanced Higher course, the fetch-execute cycle builds on the information from Higher and includes the role of three internal processor registers: Memory Address Register (MAR) Memory Data Register (MDR) Instruction Register (IR)
Detailed explanation-4: -During the fetch/execute cycle the control unit, data bus and address bus are all in use: the control unit will: dictate the clock speed of the fetch/execute cycle.