COA_Ch11_Pretest

Mathematical and statistical tools give us many ways to rate the overall performance of a system and its components.

• True
• False

It would be easy for the computer buyer if there were some way to classify systems according to a ___________.

• Metric
• Method
• Ranking
• Cadre

SPEC stands for___________.

• System Performance Evaluation Corporation
• Standard Performance Evaluation Computer
• Standard Perdominant Evaluation Corporation
• Standard Performance Evaluation Corporation

___________ benchmarks are helpful to computer buyers whose prime concern is CPU performance.

• TP CPU
• SPEC’s CPU
• CPA CPU
• PEC’s CPU

The TPC produced two benchmarks,___________ and ___________, to describe the performance of decision support systems through OLTP.

• TPC-H,TPC-E
• TPC-H,TPC-R
• TPC-U,TPC-R
• TPC-G,TPC-R

In branching, static prediction and fixed prediction are the same.

• True
• False

A CPU needs only a few ___________ to execute an instruction when all operands are in its registers.

• Nanoseconds
• Microseconds
• Seconds
• Minutes

The elevator algorithm works much similar to how skyscraper elevators service their passengers.

• True
• False

___________ is the process of removing the beginning or ending statements from a loop.

• Loop peeling
• Loop fusion
• Loop optimization
• Loop breaking

When throughput is more important than reliability, a system may employ the write-back cache policy.

• True
• False