To determine if Ruby Gems is installed, issue the command ____.

A. gem -i
B. gem -v
C. gem -r
D. RubyGems -v


Answer: B

Computer Science & Information Technology

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Which of the following best describes this code snippet?

``` if (count != 400) System.out.println("Hello World!"); ``` a) If the variable count is exactly equal to 400, "Hello World" will be printed. b) If the variable count is not equal to 400, "Hello World" will be printed. c) If the variable count is close to, but not greater than, 400, "Hello World" will be printed. d) If the variable count is exactly equal to 399 or 401, "Hello World" will be printed. e) This code will not compile.

Computer Science & Information Technology

During the ripping process, music in CD-DA format is typically converted into a compressed format such as ____.

A. MP4 B. ACA C. WMB D. MP3

Computer Science & Information Technology

What is Overflow property?

What will be an ideal response?

Computer Science & Information Technology

What do the twists in twisted pair cabling do to improve network communications?

What will be an ideal response?

Computer Science & Information Technology