Unit 5- CA

Which memory unit has lowest access time ?

• Cache

• Registers

• Magnetic disk

• Main memory

Polled intrrupet are handled by

• Software

• Hardware

• Firmware

• None of the above

A 32 bit address bus allows Access to a memory of capacity

• 64 Mb

• 16 Mb

• 1Gb

• 4Gb

The system bus is made up of

• Data bus

• Data bus and Address bus

• Data bus and control bus

• Data bus, control bus and address bus

The minimum time delay between the initiation if two independence memory operation called

• Access time

• Latency time

• Transfer rate

• Cycle time

How many 128x 8 bit RAMs are required to design 32K x 32 bit RAM ?

• 512

• 128

• 1024

• 32

The most relevant addressing mode to write position -independent codes is

• Direct mode

• Indirect mode

• Relative mode

• Indexed mode

The most relevant addressing mode to write position -independent codes is

• Direct mode

• Indirect mode

• Relative mode

• Indexed mode

Which memory is difficult to interface with processor

• Static memory

• Dynamic memory

• ROM

• RAM

Which of the following are not involved in memory write operation

• MAR

• PC

• MDR

• Data bus