Computer Organization & Architecture (3140707) MCQs

MCQs of Multiprocessors

Showing 21 to 20 out of 30 Questions
21.
How many processors can be organized in 5-dimensional binary hypercube system?
(a) 25
(b) 10
(c) 32
(d) 20
Answer:

Option (c)

22.
In a three-cube structure, node 101 cannot communicate directly with node?
(a) 001
(b) 011
(c) 100
(d) 111
Answer:

Option (b)

23.
Which logical operation is used to determine number of edges for passing message from source to destination in hypercube system?
(a) OR
(b) AND
(c) NAND
(d) X-OR
Answer:

Option (d)

24.
Which of the following procedure does not use dynamic arbitration algorithm?
(a) Time slice
(b) LRU
(c) FIFO
(d) Daisy-chain
Answer:

Option (d)

25.
Full-form of LRU?
(a) Least recently used
(b) Large resource unit
(c) List of required units
(d) No full-form at all
Answer:

Option (a)

26.
Which algorithm gives the highest priority to the requesting device that has not used the bus for the longest interval?
(a) FIFO
(b) Rotating daisy-chain
(c) LRU
(d) Polling
Answer:

Option (c)

27.
In which procedure of dynamic algorithm, the priority line is connected from the priority-out of the last device back to the priority-in of the first device in a closed loop?
(a) Time slice
(b) Rotating daisy-chain
(c) Polling
(d) LRU
Answer:

Option (b)

28.
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
Answer:

Option (a)

29.
Which of the following is not proper method for the solution of cache coherence problem?
(a) Write through with update protocol
(b) Write through with invalidation protocol
(c) Write through with deletion protocol
(d) All are valid
Answer:

Option (c)

30.
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
Answer:

Option (d)

Showing 21 to 20 out of 30 Questions