A bit (a contraction of binary digit) is the basic capacity of information in computing and telecommunications; a bit can have the value of either 1 or 0 (one or zero) only. These attributes may be implemented, in a variety of systems, by means of a two state device.

Correct Option: D

A bit (a contraction of binary digit) is the basic capacity of information in computing and telecommunications; a bit can have the value of either 1 or 0 (one or zero) only. These attributes may be implemented, in a variety of systems, by means of a two state device.

An automated teller machine or automatic teller machine (ATM) is a computerized telecommunications device that enables the clients of a financial institution to perform financial transactions without the need for a cashier, human clerk or bank teller. The first modern ATMs came into use in December 1972 in the UK; the IBM 2984 was designed at the request of Lloyds Bank.

Correct Option: B

An automated teller machine or automatic teller machine (ATM) is a computerized telecommunications device that enables the clients of a financial institution to perform financial transactions without the need for a cashier, human clerk or bank teller. The first modern ATMs came into use in December 1972 in the UK; the IBM 2984 was designed at the request of Lloyds Bank.

AltaVista was a web search engine owned by Yahoo!. AltaVista was once one of the most popular search engines but lost its ground due to the rise of Google. In May 2011, Yahoo! shut down the site.

Correct Option: D

AltaVista was a web search engine owned by Yahoo!. AltaVista was once one of the most popular search engines but lost its ground due to the rise of Google. In May 2011, Yahoo! shut down the site.

A computer virus is a computer program that can replicate itself and spread from one computer to another. Computer virus is a term applied to any program that is designed to damage data stored on a computer system or network. The virus may infect documents, applications or worst of all system files that are essential to the correct running of the computer system. A virus itself is programme software and has effect basically on software and not hardware. It could have effect on the systems or Application software to execute specific instructions on the hardware.

Correct Option: C

A computer virus is a computer program that can replicate itself and spread from one computer to another. Computer virus is a term applied to any program that is designed to damage data stored on a computer system or network. The virus may infect documents, applications or worst of all system files that are essential to the correct running of the computer system. A virus itself is programme software and has effect basically on software and not hardware. It could have effect on the systems or Application software to execute specific instructions on the hardware.

The process is known as index definition. The order in which columns are listed in the index definition is important.

Correct Option: C

The process is known as index definition. The order in which columns are listed in the index definition is important.