____ is a block cipher designed by Xuejia Lai and James L. Massey in 1991.

A. AES
B. IDEA
C. Blowfish
D. RC4

Answer: B

Computer Science & Information Technology

What is a piece of malicious computer code that, when opened, starts a program that attacks a computer called?

a. An overflow b. A virus c. A worm d. Denial of service

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Computer Science & Information Technology

What is the purpose of the PATH variable?

What will be an ideal response?

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Computer Science & Information Technology

________ is a professional, business-oriented social networking site

A) Twitter B) LinkedIn C) Flickr D) Picasa

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Computer Science & Information Technology

There are ____ main types of sounds used in Flash.

A. two B. three C. six D. eleven

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Computer Science & Information Technology