Hardware Virtualization and Hypervisor

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Questions and Answers

Which optimization technique aims to reduce miss penalty?

  • Critical word first and early restart (correct)
  • Compiler optimizations
  • Small and simple first level-cache
  • Hardware prefetching

What is the purpose of higher associativity in a cache system?

  • To reduce miss rate (correct)
  • To reduce hit time
  • To prioritize read misses over writes
  • To increase cache bandwidth

Why is addressing translation avoided during indexing of the cache?

  • To reduce miss penalty (correct)
  • To increase cache bandwidth
  • To prioritize read misses over writes
  • To reduce hit time

What is a common cause of cache miss referred to as coherency?

<p>Coherency miss (B)</p> Signup and view all the answers

How does a multilevel cache system contribute to reducing miss penalty?

<p>By providing additional cache levels (D)</p> Signup and view all the answers

In cache memory, which type uses one transistor per bit to store a bit?

<p>DRAM (A)</p> Signup and view all the answers

What is the purpose of a hypervisor in a virtual machine environment?

<p>Manages instances of virtual machines (B)</p> Signup and view all the answers

How does hardware virtualization benefit system administrators?

<p>Allows placement of multiple VMs on the same physical server (C)</p> Signup and view all the answers

In assembly language, what is the purpose of translation?

<p>To convert source code to object code for execution (C)</p> Signup and view all the answers

What does a pure assembly language consist of?

<p>Each statement producing exactly one machine instruction (D)</p> Signup and view all the answers

When is translation needed in assembly language?

<p>When a program can be directly executed in the source language (C)</p> Signup and view all the answers

What is the role of translators in programming languages?

<p>Converting source programs to target languages (B)</p> Signup and view all the answers

What is the main advantage of utilizing multiple processors and disks in a system?

<p>Improving performance and increasing throughput (D)</p> Signup and view all the answers

Which principle refers to the tendency of programs to reuse data and instructions they recently used?

<p>Principle of locality (A)</p> Signup and view all the answers

Why should systems favor frequent and common cases over infrequent cases?

<p>To prioritize faster execution of common tasks (A)</p> Signup and view all the answers

What is the main purpose of instruction-level parallelism via pipelining in processors?

<p>To enhance performance by executing more instructions simultaneously (D)</p> Signup and view all the answers

Which type of locality predicts that recently accessed data will be accessed again soon?

<p>Temporal locality (A)</p> Signup and view all the answers

How does taking advantage of parallelism in systems typically impact performance?

<p>It improves performance by leveraging parallel processing (C)</p> Signup and view all the answers

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