Robert Parson
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Quiz on Test 3 Prep, created by Robert Parson on 18/11/2017.

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Computer Architecture Test 3 Prep

Question 1 of 23

1

A ______ may sometimes be ignored by the CPU.

Select one of the following:

  • page fault

  • non-maskable interrupt

  • trap

  • maskable interrupt

  • none of the above

  • All of the above

Explanation

Question 2 of 23

1

In a 16-node system, which of these networks would have the largest communication diameter?

Select one of the following:

  • n-cube

  • two-dimensional nearest neighbor mesh

  • ring

  • torus

Explanation

Question 3 of 23

1

Which of the following is a rearrangeable interconnection network?

Select one of the following:

  • Illiac network

  • Omega network

  • crossbar switch

  • Benes Network

  • All except crossbar switch

  • none of the above

Explanation

Question 4 of 23

1

Which of the following architectures uses memory-mapped I/O?

Select one of the following:

  • Intel x86

  • Motorola 6811C12

  • Motorola 680x0

  • Sun SPARC

  • None of the above

  • All except Intel x86

Explanation

Question 5 of 23

1

In a 64-node system, which of the following would have the smallest node connection degree?

Select one of the following:

  • ring

  • two-dimensional nearest-neighbor mesh

  • Illiac Network

  • n-cube

Explanation

Question 6 of 23

1

In "Big 0" notation, the cost of an n-to-n Omega network can be expressed as:

Select one of the following:

  • O(n)

  • O(n log n)

  • O( n²)

  • O(log n)

  • none of the above

Explanation

Question 7 of 23

1

Which type of architecture is modeled on the structure of a biological brain?

Select one of the following:

  • fuzzy logic processor

  • dataflow computer

  • quantum computer

  • artificial neural network

  • none of these

  • all of these

Explanation

Question 8 of 23

1

Which of the following architectures provides support for separate I/O?

Select one of the following:

  • Motorola 680x0

  • Motorola 68HC12

  • Sun SPARC

  • Intel x86

  • none of these

  • all of these

Explanation

Question 9 of 23

1

Which of the following is not a method for ensuring cache coherence in a multiprocessor system where each processor has its own cache?

Select one of the following:

  • 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

Explanation

Question 10 of 23

1

A special read-modify-write bus cycle is needed to support _______.

Select one of the following:

  • Non-Maskable Interrupts

  • Direct Memory Access (DMA)

  • Indivisible Access to Semaphores

  • All of the above

  • None of the above

Explanation

Question 11 of 23

1

Which type of architecture is commonly used in "expert systems" that try to mimic the decisions made by knowledgeable human analysts?

Select one of the following:

  • fuzzy logic processor

  • dataflow computer

  • quantum computer

  • artificial neural network

  • none of these

  • both fuzzy logic processor and dataflow computer

Explanation

Question 12 of 23

1

In a 16-node system, which of these networks would have the smallest communication diameter?

Select one of the following:

  • binary n-cube

  • two-dimensional nearest-neighbor mesh

  • ring

  • Illiac network

Explanation

Question 13 of 23

1

Moore's Law states that computers have become much more powerful over the past several decades because of which of the following reasons?

Select one of the following:

  • 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

Explanation

Question 14 of 23

1

In what type of computer system would a watchdog timer be most useful?

Select one of the following:

  • embedded microcontroller

  • large computational cluster

  • vector supercomputer

  • general-purpose PC

  • array processor

  • all of these

Explanation

Question 15 of 23

1

The Illiac IV computer system was best classified as which of Michael Flynn's architectural types?

Select one of the following:

  • SISD

  • MISD

  • SIMD

  • MIMD

  • none of these

Explanation

Question 16 of 23

1

In "Big O" notation the cost function of a Benes network can be expressed as:

Select one of the following:

  • O(log n)

  • O(n)

  • O(n log n)

  • O(n²)

  • O(n³)

Explanation

Question 17 of 23

1

Which of the following is a blocking interconnection network?

Select one of the following:

  • Illiac network

  • Omega Network

  • crossbar switch

  • Benes network

  • none of these

  • all of these

Explanation

Question 18 of 23

1

In a 64-node system, which of the following would have the largest node connection degree?

Select one of the following:

  • ring

  • two-dimensional nearest-neighbor mesh

  • Illiac network

  • n-cube

Explanation

Question 19 of 23

1

Which of the following is a non-blocking interconnection network?

Select one of the following:

  • Illiac network

  • Omega network

  • crossbar switch

  • Benes network

  • none of these

  • all of these

Explanation

Question 20 of 23

1

In a 16-node system, which of these networks would have the largest communication diameter?

Select one of the following:

  • linear

  • two-dimensional nearest-neighbor mesh

  • binary n-cube

  • Illiac network

Explanation

Question 21 of 23

1

Which of the following is a method for ensuring cache coherence in a multiprocessor system where each processor has its own cache?

Select one of the following:

  • NCC-NUMA

  • write-through cache

  • write-back cache

  • write-invalidate snoopy cache

  • none of these

  • all except write-back cache

Explanation

Question 22 of 23

1

In "Big-O" notation, the cost function of an n-by-n crossbar switch can be expressed as:

Select one of the following:

  • O(n)

  • O(n²)

  • O(n log n)

  • O(log n)

  • none of these

Explanation

Question 23 of 23

1

In a 16-node system, which of these networks would have the smallest communication diameter?

Select one of the following:

  • binary n-cube

  • two-dimensional nearest-neighbor mesh

  • ring

  • torus

Explanation

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