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

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)

A Network Interface Card (NIC) is a device that allows computers to be joined together in a network, typically a Local Area Network (LAN).

The network interface card acts as an interpreter, allowing the machine to both send and receive data on a LAN. Information Technology (IT) specialists often use these cards to set up wired or wireless networks.

Answer: (a)

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

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).