Which of the following are likely to be poor choices for an identifier in a program? Why?
a) x
b) RATE
c) data
d) _abc
e) A
a) x is too short to adequately describe a real world value.
b) RATE suggests a rate of speed, or interest perhaps.
c) data is perhaps a bit generic, nevertheless this writer would allow it.
d) _abc is not a word. It does not bring anything to this writer’s mind.
e) A is too short to adequately describe anything in the real world.
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Which of the following is true about compression?
A) When an image is compressed, both the file size and the image dimensions stay the same; only download time decreases B) When an image is compressed, the file size is smaller and the image dimensions stay the same. C) When an image is compressed, both the file size and the image dimensions are smaller. D) When an image is compressed, the file size is larger but the image dimensions are smaller.
What answer is false concerning RAID 1?
A. Performance B. Fault tolerant C. Mirroring D. Min 2 disks