IT &computer MCQ section 5 Practice Questions Answers Test with Solutions & More Shortcuts
IT & computer PRACTICE TEST [7 - EXERCISES]
IT &computer MCQ section 1
IT &computer MCQ section 2
IT &computer MCQ section 3
IT &computer MCQ section 4
IT &computer MCQ section 5
IT &computer MCQ section 6
IT &computer MCQ section 7
Question : 46 [SSC CISF 2015]
Which of the following is used as a primary memory of computer ?
a) RAM
b) Optical storge device
c) Magnetic storage device
d) Magneto-Optical storage device
Answer »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.
Question : 47 [SSC CGL 2016]
_____changes each time it is installed to avoid detection by antivirus software.
a) logic bomb
b) Polymorphic virus
c) worm
d) trojan horse
Answer »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.
Question : 48 [SSC CML 2002]
A technique for producing animation in which one image changes into another is called
a) Morphing
b) Embedding
c) Linking
d) Scanning
Answer »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.
Question : 49 [SSC HSL 2010]
The term 'PC - XT' refers to ____.
a) Personal Computer Expanded Technology
b) Personal Computer External Technology
c) Personal Computer Extended Technology
d) Personal Computer Embedded Technology
Answer »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.
Question : 50 [SSC LDEO 2013]
A portable, personal computer small enough to fit on your lap is called a
a) Mainframe computer
b) Note-book computer
c) PDA
d) Workstation
Answer »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.
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IT & computer Shortcuts »
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