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

Answer: (a)

In HTML, The Bold element specifies that the enclosed text should be displayed in boldface. The Underlined element specifies that the enclosed text should be displayed underlined. The Italic element specifies that the enclosed text should be italicized.

Answer: (d)

System software (or systems software) is computer software or an operating system designed to operate and control the computer hardware and to provide a platform for running application software. The term system software also includes software development tools like a compiler.

Answer: (d)

The period of first-generation computers (1946- 1958) is referred to as the Vacuum Tube Years. The first generation of computers was huge, slow, expensive, and often undependable.

In 1946 Presper Eckert and John Mauchly built the ENIAC electronic computer which used vacuum tubes instead of the mechanical switches of the Mark I. The ENIAC led to other vacuum tube type computers like the EDVAC (Electronic Discrete Variable Automatic Computer) and the UNIVAC I (UNIVersal Automatic Computer).

Answer: (d)

Microencapsulation is one of the several technologies used in Electronic printing. It is widely used in “carbonless” carbon paper and “scratch-and-sniff” cologne and perfume advertisements in magazines.

This technology involves the usage of millions of transparent fluid-filled capsules containing microscopic particles (Chemistry By Steven Zumdahl, Susan Zumdahl, p. 488).

Answer: (d)

Teletext is a Data broadcasting service in which pre-programmed sequences of frames of data are broadcast cyclically, and a user, equipped with a standard television receiver and a special decoder, selects the desired frames for viewing.