单项选择题

As an operating system repeatedly allocates and frees storage space, many physically separated unused areas appear. This phenomenon is called ______.

A. fragmentation B. compaction
C. swapping
D. paging
<上一题 目录 下一题>
热门 试题

单项选择题
The basic unit of measure in a computer system is the ______. It is the smallest unit in computing. There are some other measures in a computer, such as Kilobyte, Megabyte, Gigabyte and so on.
A. KiloByte
B. bit

C. GigaByte
D. MegaByte
单项选择题
______ is the budgeted amount for the work actually completed on the schedule activity or WBS component during a given time period.
A. Planned value


B. Earned value
C. Actual cost


D. Cost variance
相关试题