IT &computer MCQ section 2 MCQ Questions & Answers Detailed Explanation

Answer: (a)

Value-added telecommunication services are telecommunications for which suppliers “add value” to the customer’s information by enhancing its form or content or by providing for its storage and retrieval.

FAX is not considered to be a Value-added telecommunication service.

Answer: (b)

A parallel port can be used to connect a large number of devices. The most common usage was for printers, although scanners, external disk drives, and network adapters also used this port. With a special cable, two computers could also be connected directly for sharing files.

Answer: (a)

2G (or 2-G) is short for second-generation wireless telephone technology.

Three primary benefits of 2G networks over their predecessors were that phone conversations were digitally encrypted; 2G systems were significantly more efficient on the spectrum allowing for far greater mobile phone penetration levels; and 2G introduced data services for mobile, starting with SMS text messages.

Answer: (c)

Assembler is a computer program which is used to translate program written in Assembly Language in to machine language. The translated program is called as object program.

Answer: (a)

A microcomputer is a small, relatively inexpensive computer with a microprocessor as its central processing unit (CPU).

It is most commonly associated with the first wave of all-in-one 8-bit home computers and small business microcomputers (such as the Apple II, Commodore 64, BBC Micro, and TRS 80).

Answer: (a)

A spreadsheet is an interactive computer application program for the organization and analysis of information in tabular form. Spreadsheets developed as computerized simulations of paper accounting worksheets.

The program operates on data represented as cells of an array, organized in rows and columns. Each cell of the array is a model–view–controller element that can contain either numeric or text data, or the results of formulas that automatically calculate and display a value based on the contents of other cells. It is more useful in Statistics.