MCQ Questions

Question No. 1

Fill in the blanks

Answer :

(b)The Light pen is a ________________________ device which is similar to a pen.(pointing/ output)

(c) A graphics tablet or ___________________ is used for doing fine drawings and images manipulation applications.(Tablet PC/ digitizer)

(d) ________________________ attendance system is a device that is connected to the computer for recording attendance.(Biological/Biometric)

(a) The ________________________ is mainly used in Computer Aided Designing (CAD) and for playing computer games.(Touchpad/Joystick)

(e) __________ is used to read bar codes printed on products. (Bar Code Reader/ Magnetic Ink Character Reader)

Question No. 2

True Or False

Answer :

(a) Input devices are the devices which are used to take information or data from a computer.

(b) We can give different types of inputs to a computer like words, numbers, symbols, sound, images, videos etc. Therefore, to input these things, we need certain types of devices.

(c) A joystick is a pointing device which is used to move the cursor position on a monitor screen.

(d) When a light pen's tip is moved over the monitor screen and its pen button is pressed, its photocell sensing element detects the screen location and sends the corresponding signal to the CPU.

(e) The bar code has coded information about the product, like its serial number, date of manufacturing, price, etc.

(f) OMR is mainly used to check examination papers where objective type questions are given and students mark their choices on the answer-sheets by writing the options a/b/c/d or putting tick(✓) marks or crosses (X).

(g) Digitizer is also known as tablet or graphics tablet.

(h) Depending on the specific technology, the operator may see an alternate wavelength image of a person's naked body, or merely a cartoon-like representation of the person with an indicator showing any suspicious items.

Question No. 3

Answer the following questions:

Answer :

1. What are in put devices?

2. Describe a joystick.

3. What do you know about the light pen?

4. What is a bar code reader?

5. What is an MICR?

6. What do you know about the optical mark reader?

7. What is a digitizer?

8. What do you know about Biometric Attendance System?

Question No. 4

The main advantages of _________ is that it is fast and less prone to errors.

Answer :

MICR

Mouse

Printer

Question No. 5

The ___________ can convert a signal from the television camera into a series of numbers that could be stored in a computer.

Answer :

Light Pen

Digitizer

MICR

Question No. 6

A ___________is a device that detects objects on a person's body for security screen- ing purposes, without physically removing clothes or making physical contact.

Answer :

Touchpad

Full-body Scanner

Digitizer

Question No. 7

The main advantages of _________ is that it is fast and less prone to errors.

Answer :

MICR

Mouse

Printer

Question No. 8

The Optical Mark Reader or OMR is used to ____________ marks made on paper.

Answer :

output

signature

input

Question No. 9

The light pen consists of a ____________ and an optical system placed in a small tube.

Answer :

Photocell

Digitizer

Touch Screen

Question No. 10

A ___________is a device that detects objects on a person's body for security screen- ing purposes, without physically removing clothes or making physical contact.

Answer :

Touchpad

Full-body Scanner

Digitizer

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