Jamia Millia Islamia MCA Central Processing Unit (CPU) Previous Year Questions (PYQs)
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What is the high-speed memory between the main memory and the CPU called?
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Solution
The fastest memory between CPU and main memory is Cache Memory, used to speed up data access.
Which part of the computer is used for calculating and comparing?
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Solution
Arithmetic and Logic Unit performs all calculations and comparisons.
Which primitive operations are directly performed by computer hardware?
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Solution
Basic logic gates in hardware perform:
- Testing (checking bit values)
- Flipping (inversion)
- Zeroing (resetting bits)
Which of the following CPU registers contains the address of next instruction during program execution?
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Solution
The Program Counter (PC) stores the address of the next instruction to be fetched for execution.
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