IT &computer MCQ section 7 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 11 [SSC GL 2012]

A ____ is an input device, which is used for converting pictures, maps and drawings into digital form for storage in computers.

a) MICR

b) OCR

c) OMR

d) digitizer

Answer: (d)

A digitizer is an input device, which is used for converting pictures, maps and drawings into digital form for storage in computers.

Question : 12 [SSC LDEO 2013]

In HTML, tags consists of keywords enclosed within

a) square brackets [ ]

b) angular brackets < >

c) parentheses ( )

d) flower brackets { }

Answer: (b)

Hyper Text Markup Language (HTML) is the main markup language for creating web pages and other information that can be displayed in a web browser.

HTML is written in the form of HTML elements consisting of tags enclosed in angle brackets (like ), within the web page content

Question : 13 [SSC CGL 2002]

A compact disc (CD) is a data storage system of the type :

a) Electrical

b) Magnetic

c) Optical

d) Electromechanical

Answer: (c)

The Compact Disc, or CD for short, is an optical disc used to store digital data. It was originally developed to store and playback sound recordings only, but the format was later adapted for the storage of data (CD-ROM). Standard CDs have a diameter of 12 mm (4.7 in) and can hold up to 80 minutes of uncompressed audio or 700 MB (700 × 106 bytes) of data.

The encoding material sits atop a thicker substrate (usual polycarbonate) which makes up the bulk of the disc and forms a dust defocusing layer. The encoding pattern follows a continuous, spiral path covering the entire disc surface and extending from the innermost track to the outermost track.

The data is stored on the disc with a laser or stamping machine.

Question : 14 [SSC LEDO 2012]

Which one of the following is an optical disk ?

a) Worm disk

b) Jaz disk

c) Super disk

d) Zip disk

Answer: (c)

An optical disc is an electronic data storage medium that can be written to and read using a low-powered laser beam. Super disk is an optical disk.

Question : 15 [SSC MTS 2014]

The term PC means :

a) Professional Calculator

b) Private Computer

c) Personal Calculator

d) Personal Computer

Answer: (c)

A personal computer (PC) is a digital computer designed for use by only one person at a time. A typical personal computer assemblage consists of a central processing unit (CPU) two types of computer memory and various input/output devices, including a display screen, keyboard and mouse, modem, and printer.

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1150 IT & computer based indian general awareness MCQ section 7 question answer with explanation pdf

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