Consider a memory system with 1M bytes of main memory and 16K bytes of cache…

GATE · 2025 · CS · Set 1 · Computer Science & IT

Consider a memory system with 1M bytes of main memory and 16K bytes of cache memory. Assume that the processor generates 20-bit memory address, and the cache block size is 16 bytes. If the cache uses direct mapping, how many bits will be required to store all the tag values? [Assume memory is byte addressable, 1K=210 , 1M=220 ]

  1. A.

    6 × 210

  2. B.

    8 × 210

  3. C.

    212

  4. D.

    214

Attempted by 386 students.

Show answer

Correct answer: A

The worked solution is available to enrolled students.

Video solution available to enrolled students.

Explore the full course: Iocl Engineers Officers Grade A Paper 2

Loading lesson…