COMPUTER HARDWARE COMPONENTS FUNCTIONS
WHAT IS A MOTHERBOARD
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Control Unit (CU)
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Arithmetic Logic Unit (ALU)
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Memory
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None of the above
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Detailed explanation-1: -Four steps of the machine cycle Fetch-Retrieve an instruction from memory. Decode-Translate the retrieved instruction into computer commands. Execute-Execute the computer commands. Store-Send and write the results back in memory.
Detailed explanation-2: -The cycle consists of three standard steps: fetch, decode and execute. In some cases, store is also incorporated into the cycle.
Detailed explanation-3: -The program’s code is stored as a series of bits that represent machine instructions. The code remains there until the user chooses to execute the program in question, on which point sections of the code are loaded into the computer’s memory.
Detailed explanation-4: -The CPU executes a program that is stored as a sequence of machine language instructions in main memory. It does this by repeatedly reading, or fetching, an instruction from memory and then carrying out, or executing, that instruction.