Input Devices Questions

MCQ bookmark_border

11.

In processing cheques which of the following I/O techniques have banks traditionally followed?

A

OCR (Optical Character Recognition)

B

MICR (Magnetic Ink Character Recognition)

C

Barcode

D

VRT (Volume Rendering Technique)

E

None of these

Correct Answer: B

MICR code is a character-recognition technology used mainly by the banking industry to ease the processing and clearance of cheques and other documents. The MICR encoding, called the MICR line, is at the bottom of cheques and other vouchers and typically includes the document-type indicator, bank code, bank account number, cheque number, cheque amount, and a control indicator. Source : wikipedia.org

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

12.

A laser printer does NOT use?

A

A photo-conductive drum

B

A print head

C

A laser beam

D

None of these

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

13.

Information on a hard disk is usually backed-up using a?

A

CD-ROM

B

Magnetic tape

C

Floppy disk

D

All of the above

Correct Answer: A

Information on a hard disk is usually backed-up using a CD-ROM.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

14.

Which output device is used for translating information from a computer into pictorial form on paper.

A

Mouse

B

Plotter

C

Touch panel

D

Card punch

E

None of the above

Correct Answer: B

Plotter : The plotter is a computer printer for printing vector graphics. In the past, plotters were used in applications such as computer-aided design, though they have generally been replaced with wide-format conventional printers. A plotter gives a hard copy of the output. It draws pictures on a paper using a pen.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

15.

An optical input device that interprets pencil marks on paper media is

A

O.M.R

B

Punch card reader

C

Optical scanners

D

Magnetic tape

E

None of the above

Correct Answer: A

Optical mark recognition (also called optical mark reading and OMR) is the process of capturing human-marked data from document forms such as surveys and tests. They are used to read questionnaires, multiple choice examination paper in the form of lines or shaded areas.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

16.

A device designed to read information encoded into a small plastic card is

A

Magnetic tape

B

Badge reader

C

Tape puncher

D

Card puncher

E

None of the above

Correct Answer: B

Badge Reader : A Dictionary of Computing. badge reader A device designed to read information encoded into a small plastic card. It is often part of a data collection system in which each operator can be identified by the badge they present to the machine.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

17.

Codes consisting of light and dark marks which may be optically read is known as

A

Mnemonics

B

Bar code

C

Decoder

D

All of the above

E

None of the above

Correct Answer: B

Bar code : A barcode (also bar code) is an optical, machine-readable, representation of data; the data usually describes something about the object that carries the barcode. Initially, barcodes were only scanned by special optical scanners called barcode readers. Barcode was invented by Norman Joseph Woodland and Bernard Silver and patented in US in 1952. For Example :

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

18.

The device that can both feed data into and accept data from a computer is

A

ALU

B

CPU

C

Input-Output device

D

All of the above

E

None of the above

Correct Answer: C

Input-Output device : In computing, input/output or I/O (or, informally, io or IO) is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system. Inputs are the signals or data received by the system and outputs are the signals or data sent from it. The term can also be used as part of an action; to "perform I/O" is to perform an input or output operation.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

19.

A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is 

A

Touch panel

B

Mouse

C

Wand

D

Writing tablet

E

None of the above

Correct Answer: D

Writing tablet : A graphic tablet (also known as a digitizer, drawing tablet, drawing pad, writing tablet, digital drawing tablet, pen tablet, or digital art board) is a computer input device that enables a user to hand-draw images, animations and graphics, with a special pen-like stylus, similar to the way a person draws images with a pencil and paper. These tablets may also be used to capture data or handwritten signatures. It can also be used to trace an image from a piece of paper which is taped or otherwise secured to the tablet surface. Capturing data in this way, by tracing or entering the corners of linear poly-lines or shapes, is called digitizing.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

20.

A pen shaped device which can sense light, and is used to point at spots on a video screen.

A

Mouse

B

Light pen

C

Joystick

D

Plotter

E

None of the above

Correct Answer: B

Light Pen : A light pen is a light-sensitive computer input device, basically a stylus, that is used to select text, draw pictures and interact with user interface elements on a computer screen or monitor. The light pen works well with CRT monitors because of the way such monitors scan the screen, which is one pixel at a time, giving the computer a way to keep track of the expected scanning time by the electron beam and infer the pen's position based on the latest timestamp of the scanning.

Check Answer report_problem Report forum Discussion