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

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: (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)

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

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.

Answer: (d)

A modem (modulator-demodulator) is a device that modulates an analogue carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information.

The goal is to produce a signal that can be transmitted easily and decoded to reproduce the original digital data.

Answer: (b)

A floppy disk is a thin magnetic-coated disk contained in a flexible or semi-rigid protective jacket. Data is stored in tracks and sectors. The floppy disks are usually 3.5" in size.

However, older floppy disks may be in use; these would be 5.25" in size. Double-sided high density 3.5" disks can hold 1.44 Mb of data.