x86-64 is also known as: MCQ with Answer and Explanation

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x86-64 is also known as:

A. AMD64 or Intel 64

B. RISC-V

C. ARM64

D. MIPS64

Answer: Option A

Solution (By JKSSB Mock Tests)

It is the 64-bit extension of x86.

This question belongs to: Computer CPU (Central Processing Unit)

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Question #1

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VLIW architecture relies on:

A. Compiler to pack multiple operations

B. Dynamic execution

C. No parallelism

D. Hardware scheduling only

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Correct Answer: Option A

Explanation:
Very Long Instruction Word.

This question belongs to: Computer CPU (Central Processing Unit)

Question #2

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Secure enclaves like Intel SGX provide:

A. Public data access

B. Slower processing

C. Protected execution environment

D. No security

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Correct Answer: Option C

Explanation:
Isolated from the rest of the system.

This question belongs to: Computer CPU (Central Processing Unit)

Question #3

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Which supports better multi-thread scaling?

A. Larger last level cache and interconnect

B. Small cache

C. Fewer cores

D. Low frequency

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Correct Answer: Option A

Explanation:
Reduces contention.

This question belongs to: Computer CPU (Central Processing Unit)

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