CO |Gate-2012| Previous Year Questions| Set-9

Set-15 GATE-2006 CO

CO |Gate-2012| Computer Organization

  1. Register renaming is done in pipelined processors : [GATE – 2012]

a. as an alternative to register allocation at compile time
b. for efficient access to function parameters and local variables
c. to handle certain kinds of hazards
d. as part of address translation

Answer : c)


  1. A computer has a 256 KByte, 4-way set associative, write back data cache with block size of 32 Bytes. The processor sends 32 bit addresses to the cache controller. Each cache tag directory entry contains, in addition to address tag, 2 valid bits, 1 modified bit and 1 replacement bit. The number of bits in the tag field of an address is : [GATE – 2012]

a. 160 Kbits
b. 136 Kbits
c. 40 Kbits
d. 32 Kbits

Answer : a)


  1. A computer has a 256 Kbyte, 4-way set associative, write back data cache with block size of 32 bytes. The processor sends 32 bits addresses to the cache controller. Each cache tag directory entry contains, inn addition to address tag, 2 valid bits, 1 modified bit and 1 replacement bit.

The number of bits in the tag field of an address is : [GATE – 2012]

a. 11
b. 14
c. 16
d. 27

Answer : c)
CO |Gate-2012|


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