IT &computer MCQ section 5 Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (a)

Primary storage, also known as main storage or memory, is the area in a computer in which data is stored for quick access by the computer’s processor. The terms random access memory (RAM) and memory are often as synonyms for primary or main storage.

Answer: (b)

The polymorphic virus changes each time it is installed to avoid detection by antivirus software. The changes do not affect the virus’ functionality but rather change the virus’ signature.

A virus signature is a pattern that can be used to identify a virus, typically a series of bytes that make up the virus code.

Answer: (a)

Morphing is a special effect in motion pictures and animations that changes (or morphs) one image into another through a seamless transition. Most often it is used to depict one person turning into another through technological means or as part of a fantasy or surreal sequence.

Answer: (c)

The IBM PC XT was the successor of the IBM PC. The XT stands for EXtended Technology and was introduced in early 1983. It had enhanced features: CGA graphic card, hard disk, more memory, and no more tape port. The term PC-XT refers to personal computer extended Technology.

Answer: (b)

Laptops are also sometimes called notebook computers or notebooks. They are portable personal computer with a clamshell form factor, suitable for mobile use. Other terms, such as ultrabooks or netbooks, refer to specific types of laptop / notebook.