Computer Architecture Set 17 MCQs

Q1 | The LEA mnemonic is used to

load the effective address of an instruction

load the values of operands onto an accumulator

declare the values as global constants

store the outcome of the operation at a memory location

Q2 | The instructions of IA-32 machines are of length up to

4 bytes

8 bytes

16 bytes

12 bytes

Q3 | The bit present in the op code, indicating which of the operands is the source is called as

src bit

indirection bit

direction bit

frm bit

Q4 | The instruction used to cause unconditional jump is

ujg

jg

jmp

goto

Q5 | instruction is used to check the bit of the condition flags.

test

tb

check

bt

Q6 | .data directive is used

to indicate the ending of the data section

to indicate the beginning of the data section

to declare all the source operands

to initialize the operands

Q7 | The instruction used to multiply operands yielding a double integer outcome is

mul

imul

dmul

emul

Q8 | SIMD stands for

single instruction multiple data

simple instruction multiple decoding

sequential instruction multiple decoding

system information mutable data

Q9 | In case of multimedia extension instructions, the pixels are encoded into a data item of

16 bit

32 bit

24 bit

8 bit

Q10 | The MMX (Multimedia Extension) operands are stored in

general purpose registers

banked registers

float point registers

graphic registers

Q11 | The division operation in IA-32 is a single operand instruction so it is assumed that

the divisor is stored in the eax register

the dividend is stored in the eac register

the divisor is stored in the accumulator

the dividend is stored in the accumulator

Q12 | Any condition that causes a processor to stall is called as

hazard

page fault

system error

none of the mentioned

Q13 | The stalling of the processor due to the unavailability of the instructions is called as

control hazard

structural hazard

input hazard

none of the mentioned

Q14 | The contention for the usage of a hardware device is called

structural hazard

stalk

deadlock

none of the mentioned

Q15 | The pipeline bubbling is a method used to prevent data hazard and structural hazards.

true

false

Q16 | method is used in centralized systems to perform out of order execution.

scorecard

score boarding

optimizing

redundancy

Q17 | The algorithm followed in most of the systems to perform out of order execution is

tomasulo algorithm

score carding

reader-writer algorithm

none of the mentioned

Q18 | The problem where process concurrency becomes an issue is called as

philosophers problem

bakery problem

bankers problem

reader-writer problem

Q19 | The set of loosely connected computers are called as

lan

wan

workstation

cluster

Q20 | Each computer in a cluster is connected using

utp

rj-45

stp

coaxial cable

Q21 | The computer cluster architecture emerged as a result of

isa

workstation

super computers

distributed systems

Q22 | The software which governs the group of computers is

driver rd45

interface ui

clustering middleware

distributor

Q23 | The cluster formation in which the work is divided equally among the systems is

load-configuration

load-division

light head

both load-configuration and load- division

Q24 | In the client server model of the cluster approach is used.

load configuration

fifo

bankers algorithm

round robin

Q25 | The most common modes of communication in clusters are

message queues

message passing interface

pvm

both message passing interface and pvm