Computer Fundamental Miscellaneous - Study Mode

[#1021] Character readers are those devices which read the characters printed on the source documents and then convert them directly into computer-usable input. Which of the following is not a character reader?
Correct Answer

(D) LCD

Explanation

Solution: LCD (Liquid Crystal Display) is a type of flat panel display which uses liquid crystals in its primary form of operation. LEDs have a large and varying set of use cases for consumers and businesses, as they can be commonly found in Smartphone, televisions, computer monitors and instrument panels.

[#1022] SPSS stands for
Correct Answer

(C) Statistical Package for Sociai Science

Explanation

Solution: SPSS Statistics is a statistical software suite developed by IBM for data management, advanced analytics, multivariate analysis, business intelligence, criminal investigation. Long produced by SPSS Inc. It was acquired by IBM in 2009. Current versions (post 2015) have the brand name: IBM SPSS Statistics. The software name originally stood for Statistical Package for the Social Sciences (SPSS), reflecting the original market, then later changed to Statistical Product and Service Solutions. SPSS is a widely used program for statistical analysis in social science. It is also used by market researchers, health researchers, survey companies, government, education researchers, marketing organizations, data miners and others.

[#1023] An Integrated Circuit (IC) is
Correct Answer

(A) Fabricated on a tiny silicon chip

Explanation

Solution: An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, usually silicon.

[#1024] The 2's complement number of 110010 is
Correct Answer

1101

Explanation

Solution: For example, 1's complement of binary number 110010 is 001101. To get 2's complement of binary number is 1's complement of given number plus 1 to the least significant bit (LSB). For example 2's complement of binary number 10010 is (01101) + 1 = 01110. The 2's complement number of 110010 is none of the above.

[#1025] The purpose of an application program is to
Correct Answer

(B) Meet specific user needs

Explanation

Solution: An application program (application or app for short) is a computer program designed to carry out a specific task other than one relating to the operation of the computer itself, typically to be used by end-users. Word processors, media players, and accounting software are examples.