Computer fundamental MCQ Questions and answers- Technical Aptitude

Communication ports are found on the back of microcomputers. They are used to connect the computer to printers, modems ,other hardware. Alternatively referred to as the com port, the communications port is serial communication used to connect devices, such as a modem.

In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, cameras, joysticks and microphones.

Printer is functionally Opposite of a Keyboard. A keyboard is the most common input device that comprises a set of typewriter-like keys used to enter data into a computer. On the contrary, a printer is an output device capable of printing text and graphics on a paper.

The first firm to mass-market a microcomputer as a personal computer was Radio Shaks.A small firm named MITS made the first personal computer, the Altair (now Apple Inc.), Apple II, the Tandy Radio Shack TRS-80, and the Commodore Business Machines Personal Electronic Transactor (PET).

IBM and other manufacturers used many different 80-column card character encodings. A 1969 American National Standard defined the punches for 128 characters and was named the Hollerith Punched Card Code (often referred to simply as Hollerith Card Code), honoring Hollerith.

VDT (video display terminal, or sometimes visual display terminal) is a term used, especially in ergonomic studies, for the computer display. The display is usually considered to include the screen or projection surface and the device that produces the information on the screen.

The process of writing computer instructions in a programming language is known as Coding. A computer program is usually written by a computer programmer in a programming language. That line of code is written in the Python programming language.

It provides only sequential access to stored data. It provides only sequential access to stored data is not true of a magnetic disk.

A device for connecting pieces of equipment that cannot be connected directly. A regular TV set can be hooked up to a computer so as to received computer signal instead of a television program. This hooking up is achieved with the help of an adapter.

A voice response unit (VRU) is an automated telephone answering system consisting of hardware and software that allows the caller to navigate through a series of prerecorded messages and use a menu of options through the buttons on a touch-tone telephone or through voice recognition.

Source : gartner.com