Advanced Computer Architecture Mid - I, September - 2014

1.If hit ratio is 0.6, the miss ratio
  • 9.4
  • 94%
  • 0.4
  • 40%
Answer: C
2.When the addressed data or instruction is found in the cache is called
  • Cache coherence
  • Cache hit
  • Cache miss
  • None of these
Answer: B
3.When a cache is indexed or tagged with virtual address is called as.
  • Virtual memory
  • Virtual address cache
  • Direct memory access
  • None of these
Answer: B
4.The time required for two processes to synchronize with each other is called_____.
  • Execution time
  • Decoding time
  • Synchronization latency
  • Loading time
Answer: C
5.The relationship between execution time and performance
  • Independent
  • Inversely proportional
  • Directly proportional
  • No relationship
Answer: B
6.The time required for a cache miss depends on ____________
  • Latency
  • Bandwidth
  • Both a and b
  • None of these
Answer: C
7.In NUMA model, the shared memory is physically distributed to all processors called
  • Global memories
  • Local memories
  • Virtual memory
  • Global shared memory
Answer: B
8.The main memory is sometimes called_______________ of computer system
  • Primary memory
  • Virtual memory
  • Cache memory
  • Global shared memory
Answer: A
9.Virtual address are generated by whom during compile time.
  • DMA
  • Cache
  • Processor
  • Physical memory
Answer: C
10.Variable block size in virtual memory system, each block is called as
  • Pages
  • Segment
  • Page segment
  • Virtual address space
Answer: B
11.The total amount of work done in a given time is known as ____________.
Answer: Throughput
12.When a cache is accessed with a physical memory address, it is called a _______________
Answer: Physical address cache
13._______________is a measure of the amount of computation involved in a software process.
Answer: Grain size or Granularty
14.Expand NUMA _____________________________
Answer: Non uniform –memory access
15.Two processors can have two different values for the same location, is called_______________
Answer: Cache coherence
16.In directory based protocol, sharing status of physical memory is kept in one location called_____________________
Answer: Directory
17.Linear pipelines are model as two categories _________________ and _______________
Answer: Synchronous and asynchronous pipeline
18.In virtual memory system each block in fixed block size is called ________________.
Answer: Pages
19.________________________ protocols are snooping protocols which used for maintaining the coherence property.
Answer: Write invalid, write update protocols
20.Expand SIMD _____________________________
Answer: Single instruction stream over multiple data streams