Deck 9: Computer Architecture and Multiprocessor Systems

Question 1

A processor performing fetch or decoding of different instruction during the execution of another instruction is called ______ .

A)super-scaling
B)pipe-lining
C)parallel computation
D)none of these

Answer 1

pipe-lining

Question 2

General MIMD configuration usually called

A)a multiprocessor
B)a vector processor
C)array processor
D)none of the above.

Answer 2

a multiprocessor

Question 3

A Von Neumann computer uses which one of the following?

A)sisd
B)simd
C)misd
D)mimd.

Answer 3

sisd

Question 4

 MIMD stands for

A)multiple instruction multiple data
B)multiple instruction memory data
C)memory instruction multiple data
D)multiple information memory data

Question 5

MIPS stands for:

A)memory instruction per second
B)major instruction per second
C)main information per second
D)million instruction per second

Question 6

M.J. Flynn's parallel processing classification is based on:

A)multiple instructions
B)multiple data
C)both (a) and (b)
D)none of the above

Question 7

VLIW stands for:

A)vector large instruction word
B)very long instruction word
C)very large integrated word
D)very low integrated word

Question 8

The major disadvantage of pipeline is:

A)high cost individual dedicated
B)initial setup time
C)if branch instruction is encountered the pipe has to be flushed
D)all of the above

Question 9

A topology that involves Tokens.

A)star
B)ring
C)bus
D)daisy chaining

Question 10

In super-scalar mode, all the similar instructions are grouped and executed together.

Question 11

Which mechanism performs an analysis on the code to determine which data items may become unsafe for caching, and they mark those items accordingly?

A)directory protocol
B)snoopy protocol
C)server based cache coherence
D)compiler based cache coherence

Question 12

How many processors can be organized in 5-dimensional binary hypercube system?

A)25
B)10
C)32
D)20

Question 13

Multiprocessors are classified as ________.

A)simd
B)mimd
C)sisd
D)misd

Question 14

Which of the following is not one of the interconnection structures?

A)crossbar switch
B)hypercube system
C)single port memory
D)time-shared common bus

Question 15

Which combinational device is used in crossbar switch for selecting proper memory from multiple addresses?

A)multiplexer
B)decoder
C)encoder
D)demultiplexer

Question 16

How many switch points are there in crossbar switch network that connects 9 processors to 6 memory modules?

A)50
B)63
C)60
D)54

Question 17

In a three-cube structure, node 101 cannot communicate directly with node?

A)1
B)11
C)100
D)111

Question 18

Which method is used as an alternative way of snooping-based coherence protocol?

A)directory protocol
B)memory protocol
C)compiler based protocol
D)none of above

Question 19

snoopy cache protocol are used in -----------------based system

A)bus
B)mesh
C)star
D)hypercube

Question 20

superscalar architecture contains -------------execution units for instruction execution

A)multiple
B)single
C)none of the above

Question 21

time taken by header of a message between two directly connected nodes is called as-----------------

A)startup time
B)per hop time
C)per word transfer time
D)packaging time

Question 22

the number of switch requirement for a network with n input and n output is ------------------

A)n
B)n2
C)n3
D)n4

Question 23

which of the following is not static network

A)bus
B)ring
C)mesh
D)crossbar switch

Question 24

In super-scalar processors, ________ mode of execution is used.

A)in-order
B)post order
C)out of order
D)none of the mentioned