Q. Punched-card equipment was first introduced in Britain in 1904 by a small company. What was the name of that company?

View solution

Q. Which of the following are often used to ensure that data has been accurately input to the computer?

View solution

Q. An input device that converts data punched into paper lape into a binary format is

View solution

Q. Regarding a VDU, which statement is more correct?

View solution

Q. Plotter accuracy is measured in terms of repeatability and

View solution

Q. An input/output device at which data enters or leaves a computer system is

View solution

Q. The input and output devices are located away from the central computer facility in which particular type of processing.

View solution

Q. The latest PC keyboards use a circuit that senses the movement by the change in its capacitance. What are these keyboards called?

View solution

Q. A device that transmits messages in verbal form is

View solution

Q. A device that converts one type of signal into another is called

View solution

Q. Which method is of reading the characters & providing input to a computer.

View solution

Q. A device that both transmits and receives data, is

View solution

Q. A device used to bring information into a computer is

View solution

Q. An input device that uses switch contacts placed under a plastic pad which may be inscribed with symbols is known as

View solution

Q. A monitor looks like a TV set but it does not

View solution

Q. Which device uses much less computer time than the light pen and gives resolutions equal to that of the CRT display.

View solution

Q. A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as

View solution

Q. Tiny rings made of magnetic material that can be polarised to represent binary 1 or 0 is called

View solution

Q. A hard copy would be prepared on a

View solution

Q. A printer in which the characters are embossed on a band is

View solution