2024知到答案 计算机英语 最新知到智慧树满分章节测试答案
第一章 单元测试
1、 问题:Most flat panel monitors use CRTs to display images.( )
选项:
A:对
B:错
答案: 【
错
】
2、 问题:Active matrices allow monitors to display HD images.( )
选项:
A:对
B:错
答案: 【
对
】
3、 问题:Multiple bitmaps come together to create a single image.( )
选项:
A:对
B:错
答案: 【
错
】
4、 问题:A lower capacity than DVDs is not a benefit of CDs.( )
选项:
A:对
B:错
答案: 【
对
】
5、 问题:The first troubleshooting step of overheating is to disconnect the fan from the motherboard.( )
选项:
A:对
B:错
答案: 【
错
】
6、 问题:The advantage of synchronous buses is that they are highly efficient.( )
选项:
A:对
B:错
答案: 【
对
】
7、 问题:A ____ is a computer designed for individual use. ( )
选项:
A:PC
B:laptop
C:tablet
D:computer cluster
答案: 【
PC
】
8、 问题:A ____ is a portable computer with a flat touch screen. ( )
选项:
A:PC
B:laptop
C:tablet
D:computer cluster
答案: 【
tablet
】
9、 问题:A ____ is a portable, folding computer. ( )
选项:
A:PC
B:laptop
C:tablet
D:computer cluster
答案: 【
laptop
】
10、 问题:A ____ is a computer intended to be used in a single place. ( )
选项:
A:PC
B:laptop
C:tablet
D:desktop
答案: 【
desktop
】
11、 问题:A ____ is a computer that can process large amounts of data. ( )
选项:
A:computer cluster
B:laptop
C:tablet
D:desktop
答案: 【
computer cluster
】
12、 问题:An ____ is a computer that is part of a larger product. ( )
选项:
A:PC
B:embedded computer
C:tablet
D:computer cluster
答案: 【
embedded computer
】
13、 问题:People can control tablet PCs by touching the ____ . ( )
选项:
A:screen
B:flat-panel
C:pixel
D:CRT
答案: 【
screen
】
14、 问题:A ____ is an icon on a computer’s display controlled by a mouse. ( )
选项:
A:GUI
B:button
C:pointer
D:keyboard
答案: 【
pointer
】
15、 问题:An ____ is an input device that uses a ball to track its movement. ( )
选项:
A:electromechanical mouse
B:button
C:pointer
D:keyboard
答案: 【
electromechanical mouse
】
第二章 单元测试
1、 问题:A tag identifies the valid bit as current or not current.( )
选项:
A:对
B:错
答案: 【
错
】
2、 问题:Cache misses are increased when a programmer uses a split cache setup.( )
选项:
A:对
B:错
答案: 【
对
】
3、 问题:In a write-back, the cache and memory are updated at the same time.( )
选项:
A:对
B:错
答案: 【
错
】
4、 问题:Programmers can minimize page faults by implementing LRU replacement.( )
选项:
A:对
B:错
答案: 【
对
】
5、 问题: It is NOT true that RAID configuration is an efficient alternative to striping.( )
选项:
A:对
B:错
答案: 【
对
】
6、 问题:The reason of mirroring is so expensive is that it requires a duplicate disk for every data disk.( )
选项:
A:对
B:错
答案: 【
对
】
7、 问题:SRAM has replaced DRAM as the standard primary memory unit.( )
选项:
A:对
B:错
答案: 【
错
】
8、 问题:Solid-state devices are gaining popularity over magnetic discs for secondary memory.( )
选项:
A:对
B:错
答案: 【
对
】
9、 问题:A ____ is a situation in which the requested data is present in the cache. ( )
选项:
A:hit
B:hit rate
C:block
D:miss penalty
答案: 【
hit
】
10、 问题:A ____ is the smallest unit of data that can exist in a level of memory. ( )
选项:
A:reference
B:principle of locality
C:block
D:miss penalty
答案: 【
block
】
11、 问题:A ____ is the extra time required to retrieve data from lower levels of memory. ( )
选项:
A:memory hierarchy
B:principle of locality
C:block
D:miss penalty
答案: 【
miss penalty
】
12、 问题:A ____ is a system for organizing memory into multiple tiers. ( )
选项:
A:memory hierarchy
B:hit rate
C:reference
D:miss rate
答案: 【
memory hierarchy
】
13、 问题:A ____ is the percentage of memory accesses found in the cache. ( )
选项:
A:block
B:hit rate
C:reference
D:miss rate
答案: 【
hit rate
】
14、 问题:A ____ is the percentage of memory accesses not found in the cache. ( )
选项:
A:principle of locality
B:hit rate
C:reference
D:miss rate
答案: 【
miss rate
】
15、 问题:A ____ is a marker that identifies the contents of a block. ( )
选项:
A:direct-mapped cache
B:split cache
C:tag
D:fully associative cache
答案: 【
tag
】
第三章 单元测试
1、 问题:Four times seven equals seven minus four.( )
选项:
A:对
B:错
答案: 【
错
】
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本文章不含期末不含主观题!!
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