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

Answer: (a)

Programs stored in a ROM (Read Only Memory) are called Firmware.

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)

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.

Answer: (c)

A local area network (LAN) is a computer network that interconnects computers in a limited area such as a home, school, computer laboratory, or office building using network media.

The defining characteristics of LANs, in contrast to wide area networks (WANs), include their usually higher data-transfer rates, smaller geographic area, and lack of a need for leased telecommunication lines.