Computer Organization and Architecture Mcqs

Page No. 3

Which of the register/s of the processor is/are connected to Memory Bus?


aPC

✖


bMAR

✓


c IR

✖


dBoth PC and MAR

✖


View Answer MAR

During the execution of a program which gets initialized first?


aMDR

✖


bIR

✖


cPC

✓


dMAR

✖


View Answer PC

Which registers can interact with the secondary storage?


aMAR

✓


bPC

✖


cIR

✖


dR0

✖


View Answer MAR

The instruction -> Add LOCA, R0 does _______


aAdds the value of LOCA to R0 and stores in the temp register

✖


bAdds the value of R0 to the address of LOCA

✖


cAdds the values of both LOCA and R0 and stores it in R0

✓


dAdds the value of LOCA with a value in accumulator and stores it in R0

✖



The decoded instruction is stored in ______


aIR

✓


bPC

✖


cRegisters

✖


dMDR

✖


View Answer IR

The ISA standard Buses are used to connect ___________


aRAM and processor

✖


bGPU and processor

✖


cGPU and processor

✓


d CD/DVD drives and Processor

✖


View Answer GPU and processor

In multiple Bus organisation, the registers are collectively placed and referred as ______


a Set registers

✖


bRegister file

✓


cRegister Block

✖


dMap registers

✖


View Answer Register file

_____ register Connected to the Processor bus is a single-way transfer capable.


aPC

✖


bIR

✖


cTemp

✖


dZ

✓


View Answer Z

ANSI stands for __________


aAmerican National Standards Institute

✓


bAmerican National Standard Interface

✖


c American Network Standard Interfacing

✖


d American Network Security Interrupt

✖



______ are used to overcome the difference in data transfer speeds of various devices.


aSpeed enhancing circuitory

✖


bBridge circuits

✖


cMultiple Buses

✖


dBuffer registers

✓


View Answer Buffer registers

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