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Computer Architecture Test 3 Prep

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Quiz on Test 3 Prep, created by Robert Parson on 18/11/2017.
Robert Parson
Quiz by Robert Parson, updated more than 1 year ago
Robert Parson
Created by Robert Parson about 7 years ago
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Resource summary

Question 1

Question
A ______ may sometimes be ignored by the CPU.
Answer
  • page fault
  • non-maskable interrupt
  • trap
  • maskable interrupt
  • none of the above
  • All of the above

Question 2

Question
In a 16-node system, which of these networks would have the largest communication diameter?
Answer
  • n-cube
  • two-dimensional nearest neighbor mesh
  • ring
  • torus

Question 3

Question
Which of the following is a rearrangeable interconnection network?
Answer
  • Illiac network
  • Omega network
  • crossbar switch
  • Benes Network
  • All except crossbar switch
  • none of the above

Question 4

Question
Which of the following architectures uses memory-mapped I/O?
Answer
  • Intel x86
  • Motorola 6811C12
  • Motorola 680x0
  • Sun SPARC
  • None of the above
  • All except Intel x86

Question 5

Question
In a 64-node system, which of the following would have the smallest node connection degree?
Answer
  • ring
  • two-dimensional nearest-neighbor mesh
  • Illiac Network
  • n-cube

Question 6

Question
In "Big 0" notation, the cost of an n-to-n Omega network can be expressed as:
Answer
  • O(n)
  • O(n log n)
  • O( n²)
  • O(log n)
  • none of the above

Question 7

Question
Which type of architecture is modeled on the structure of a biological brain?
Answer
  • fuzzy logic processor
  • dataflow computer
  • quantum computer
  • artificial neural network
  • none of these
  • all of these

Question 8

Question
Which of the following architectures provides support for separate I/O?
Answer
  • Motorola 680x0
  • Motorola 68HC12
  • Sun SPARC
  • Intel x86
  • none of these
  • all of these

Question 9

Question
Which of the following is not a method for ensuring cache coherence in a multiprocessor system where each processor has its own cache?
Answer
  • write-update snoopy cache
  • write-through cache
  • write-invalidate snoopy cache
  • full-map directory protocol
  • any of the above methods is sufficient to ensure coherence

Question 10

Question
A special read-modify-write bus cycle is needed to support _______.
Answer
  • Non-Maskable Interrupts
  • Direct Memory Access (DMA)
  • Indivisible Access to Semaphores
  • All of the above
  • None of the above

Question 11

Question
Which type of architecture is commonly used in "expert systems" that try to mimic the decisions made by knowledgeable human analysts?
Answer
  • fuzzy logic processor
  • dataflow computer
  • quantum computer
  • artificial neural network
  • none of these
  • both fuzzy logic processor and dataflow computer

Question 12

Question
In a 16-node system, which of these networks would have the smallest communication diameter?
Answer
  • binary n-cube
  • two-dimensional nearest-neighbor mesh
  • ring
  • Illiac network

Question 13

Question
Moore's Law states that computers have become much more powerful over the past several decades because of which of the following reasons?
Answer
  • Much larger disk drives have become available
  • Networking technology improvements have resulted in greater bandwidth
  • Modern compilers are much better at uncovering parallelism in programs
  • Individual transistors have gotten smaller and smaller over time
  • None of the above
  • Both Much larger disk drives and Networking technology

Question 14

Question
In what type of computer system would a watchdog timer be most useful?
Answer
  • embedded microcontroller
  • large computational cluster
  • vector supercomputer
  • general-purpose PC
  • array processor
  • all of these

Question 15

Question
The Illiac IV computer system was best classified as which of Michael Flynn's architectural types?
Answer
  • SISD
  • MISD
  • SIMD
  • MIMD
  • none of these

Question 16

Question
In "Big O" notation the cost function of a Benes network can be expressed as:
Answer
  • O(log n)
  • O(n)
  • O(n log n)
  • O(n²)
  • O(n³)

Question 17

Question
Which of the following is a blocking interconnection network?
Answer
  • Illiac network
  • Omega Network
  • crossbar switch
  • Benes network
  • none of these
  • all of these

Question 18

Question
In a 64-node system, which of the following would have the largest node connection degree?
Answer
  • ring
  • two-dimensional nearest-neighbor mesh
  • Illiac network
  • n-cube

Question 19

Question
Which of the following is a non-blocking interconnection network?
Answer
  • Illiac network
  • Omega network
  • crossbar switch
  • Benes network
  • none of these
  • all of these

Question 20

Question
In a 16-node system, which of these networks would have the largest communication diameter?
Answer
  • linear
  • two-dimensional nearest-neighbor mesh
  • binary n-cube
  • Illiac network

Question 21

Question
Which of the following is a method for ensuring cache coherence in a multiprocessor system where each processor has its own cache?
Answer
  • NCC-NUMA
  • write-through cache
  • write-back cache
  • write-invalidate snoopy cache
  • none of these
  • all except write-back cache

Question 22

Question
In "Big-O" notation, the cost function of an n-by-n crossbar switch can be expressed as:
Answer
  • O(n)
  • O(n²)
  • O(n log n)
  • O(log n)
  • none of these

Question 23

Question
In a 16-node system, which of these networks would have the smallest communication diameter?
Answer
  • binary n-cube
  • two-dimensional nearest-neighbor mesh
  • ring
  • torus
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