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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Decode
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Execute
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Store
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Fetch
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Detailed explanation-1: -The Fetch Cycle Step 1: The address in the program counter is moved to the memory address register(MAR), as this is the only register which is connected to address lines of the system bus.
Detailed explanation-2: -Stages of the Fetch Execute Cycle The CPU loads the instructions into the registers from the main memory one by one. The program counter is stored in one register (pc). The memory address of the next instruction to be fetched from the main memory is stored in the computer.
Detailed explanation-3: -A CPU has the following components: 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-4: -The cycle consists of three standard steps: fetch, decode and execute.