it questions and answers for interview with pdf

it questions and answers for interview with pdf

Interrupts which are initiated by an I/O drive are ___________
A. internal
B. external
C. Both (A) and (B)
D. All of the above
Answer
B. external

Content of the program counter is added to the address part of the instruction in order to obtain the effective address is called_______
A. relative address mode.
B. index addressing mode.
C. register mode.
D. implied mode.
Answer
A. relative address mode.

A register capable of shifting its binary information either to the right or the left is called a_________
A. parallel register.
B. serial register.
C. shift register.
D. storage register.
Answer
C. shift register.

The pattern of printed lines on most products are called________
A. OCR
B. prices
C. bar codes
D. None of the Above
Answer
C. bar codes

MICR stands for ____________
A. Magnetic Ink Colour Recognition
B. Magnetic Ink Code Recognition
C. Magnetic Ink Computer Recognition
D. Magnetic Ink Character Recognition
Answer
D. Magnetic Ink Character Recognition

The OCR recognises the _______ of the characters with the help of light source.
A. Size
B. Shape
C. Colour
D. None of the Above
Answer
B. Shape

Which Unit is used to measure the speed of a printer?
A. DPI
B. CPM
C. PPM
D. None of the Above
Answer
C. PPM

Which of the following groups consist of only Input devices?
A. Mouse, Keyboard, Monitor
B. Mouse, Keyboard, Printer
C. Mouse, Keyboard, Plotter
D. Mouse, Keyboard, Scanner
Answer
D. Mouse, Keyboard, Scanner

USB refers to a ______
A. storage device
B. processor
C. port type
D. None of the Above
Answer
C. port type

OCR is used for the preparation of _________
A. electricity bills
B. telephone bills
C. insurance premium
D. All of the Above
Answer
D. All of the Above

A joystick is primarily used to/for ________
A. print text
B. draw picture
C. computer gaming
D. None of the Above
Answer
C. computer gaming

The ______ may also be called the screen or monitor.
A. Scanner
B. Display
C. Hard Disk
D. None of the Above
Answer
B. Display

What type of devices are computer speakers or headphones?
A. Input
B. Output
C. Input/Output
D. None of the Above
Answer
B. Output

Which of these is a pointing and drop device?
A. Scanner
B. Printer
C. Keyboard
D. Mouse
Answer
D. Mouse

A parallel port is most often used by ________
A. Scanner
B. Printer
C. Keyboard
D. Mouse
Answer
B. Printer

A hard copy would prepared on a _______
A. Dot matrix Printer
B. Plotter
C. Type Writer Terminal
D. All of the above
Answer
D. All of the above

External devices such as printers, keyboards and modems are known as _________
A. Special Buys
B. Add on Devices
C. Peripherals
D. All of the above
Answer
C. Peripherals

The higher the resolution of a monitor, the _________
A. larger the pixels.
B. closer together the pixels.
C. further apart the pixels.
D. less clear the screen is.
Answer
B. closer together the pixels.

In laser printers, printing is achieved by deflecting laser beam on to __________ surface of a drum.
A. Magnetic
B. Electric
C. Photosensitive
D. None of the Above
Answer
C. Photosensitive

The rate at which scanning is repeated in a CRT is called________
A. Resolution
B. Refresh rate
C. Bandwidth
D. None of the Above
Answer
B. Refresh rate

An example of peripheral equipment is _______
A. Printer
B. CPU
C. Spread Sheet
D. None of the Above
Answer
A. Printer

Trackball is an example of a/an _____
A. Output device
B. Printing device
C. Pointing device
D. None of the Above
Answer
C. Pointing device

Which is the best position for operating the mouse?
A. Tail away from the user
B. Tail facing the right
C. Tail facing the left
D. Tail towards the user
Answer
D. Tail towards the user

First Computer mouse was built by_______
A. Douglas Engelbart
B. William English
C. Robert Zawacki
D. Von Neumann
Answer
A. Douglas Engelbart

Which of the following is not a hardware?
A. Processor
B. Printer
C. Mouse
D. Java
Answer
D. Java

The transfer of data from a CPU to peripheral devices of computer is achieved through ________
A. Modem
B. Interface
C. Buffer
D. I/O Ports
Answer
D. I/O Ports

A thin plate or board that contains electronic components is called ___________
A. Hard Disk
B. RAM
C. ROM
D. Circuit Board
Answer
D. Circuit Board

A ___________ is used to create a digital representation of a printed document or photograph.
A. Video Digitizer
B. Scanner
C. Monitor
D. None of the Above
Answer
B. Scanner

The wheel located between the two standard buttons on a mouse is used to ________
A. click in Web pages.
B. scroll.
C. click and select items.
D. jump to different Web pages
Answer
B. scroll.

Any data and instruction entered in the memory of a computer is__________
A. Storage
B. Output
C. Input
D. Information
Answer
C. Input

Which input device resembles an upside-down mouse?
A. Trackball
B. Pointing stick
C. Track pad
D. Touch pad
Answer
A. Trackball

Bar-code readers use light to read ______
A. UPCs
B. UPSs
C. POSs
D. optical marks
Answer
A. UPCs

The display size of a monitor is measured _________
A. diagonally.
B. horizontally.
C. vertically.
D. None of the Above
Answer
A. diagonally.

The computer or system peripherals that receives data from processing unit are called ___________
A. Input Devices
B. Output Devices
C. Both (A) and (B)
D. None of the Above
Answer
B. Output Devices

A displaying screen in which text is presented in one colour and background is of any other colour is called ________
A. monochrome screen
B. high resolution screen
C. low resolution screen
D. medium resolution screen
Answer
A. monochrome screen

LED stands for _________
A. Low Emission Display
B. Liquid Emitting Display
C. Less Emitting Diode
D. Light Emitting Diode
Answer
D. Light Emitting Diode

A marker on the computer screen used to show the current position is called _________
A. coloured marker
B. position checker
C. cursor
D. None of the Above
Answer
C. cursor

Which of the following device is used to enter the text and numerical data in a computer?
A. Plotter
B. Scanner
C. Printer
D. Keyboard
Answer
D. Keyboard

Printer resolution is usually measured in ________
A. Characters Per Minute (CPM)
B. Pixels Per Inch (PPI)
C. Pages Per Minute (PPM)
D. Dots Per Inch (DPI)
Answer
D. Dots Per Inch (DPI)

 _______ is an input device that converts analog information into digital form.
A. Plotter
B. Track Ball
C. Light Pen
D. Digitizer
Answer
D. Digitizer

__________ is a special type of optical scanner used to recognize the type of mark made by Pen or Pencil.
A. Optical Character Reader
B. Bar code Reader
C. Optical Mark Reader
D. None of the Above
Answer
C. Optical Mark Reader

Which of the following is non-emissive display?
A. LED
B. LCD
C. Both (A) and (B)
D. None of the Above
Answer
B. LCD

__________ printers print the characters by striking them on the ribbon which is then pressed on the paper.
A. Impact
B. Non Impact
C. Both (A) and (B)
D. None of the Above
Answer
A. Impact

Which input device is used to read information on a credit card?
A. Graphic Tablet
B. Numeric Keyboard
C. Bar Code reader
D. Magnetic Stripe reader
Answer
D. Magnetic Stripe reader

LCD stands for _________
A. Light Crystal Display
B. Low Crystal Display
C. Less Crystal Display
D. Liquid Crystal Display
Answer
D. Liquid Crystal Display

Which of the following works as mouse?
A. Keyboard
B. Scanner
C. Track ball
D. None of the Above
Answer
C. Track ball

The work done by a computer operator is displayed in which part of computer?
A. CPU
B. VDU
C. ALU
D. None of the Above
Answer
B. VDU

Which involves photo scanning of the text character by character, analysis of the scanned in image , and then translation of the character image into character code?
A. OCR
B. OMR
C. Bar code Reader
D. None of the Above
Answer
A. OCR

In OCR processing, When a character is recognized, it is converted into_______ code.
A. binary
B. ASCII
C. Both (A) and (B)
D. None of the Above
Answer
B. ASCII

Laser printers and Ink-jet printers are an example of _______
A. Impact
B. Non Impact
C. Both (A) and (B)
D. None of the Above
Answer
B. Non Impact

Which of the following is used as principal flight control in the cockpit of many air crafts?
A. Graphic Tablet
B. Joy Stick
C. Bar Code reader
D. Magnetic Stripe reader
Answer
B. Joy Stick

TFT stands for ________
A. Thick Film Transistor
B. Thin Film Transistor
C. Thin Film Transmitter
D. Thick Film Transmitter
Answer
B. Thin Film Transistor

Which of the following is used at Point of Sales to input product information?
A. Graphic Tablet
B. MICR
C. Bar Code reader
D. Magnetic Stripe reader
Answer
C. Bar Code reader

Which input device is used for inserting pin numbers for credit cards?
A. Graphic Tablet
B. Numeric pad
C. Bar Code reader
D. Magnetic Stripe reader
Answer
B. Numeric pad

_________ is a device used for reading bar coded data (contains light and dark lines).
A. Graphic Tablet
B. Numeric pad
C. Bar Code reader
D. Magnetic Stripe reader
Answer
C. Bar Code reader

Which input device is usually a standard feature of laptops?
A. Graphic Tablet
B. Numeric Keyboard
C. touch pad
D. Magnetic Stripe reader
Answer
C. touch pad

__________ are devices that convert electrical energy into light.
A. Emissive Displays
B. Non-Emissive Displays
C. Both (A) and (B)
D. None of the Above
Answer
A. Emissive Displays

Which of the following input device is used in Banks to read magnetised characters on a Cheque?
A. OCR
B. MICR
C. Bar Code reader
D. Magnetic Stripe reader
Answer
B. MICR

_________ printers print the characters without using ribbon and it can print a complete page at a time.
A. Impact
B. Non Impact
C. Both (A) and (B)
D. None of the Above
Answer
B. Non Impact

Impact printers can be divided into ______ types.
A. Four
B. Six
C. Three
D. Two
Answer
D. Two

________ printers are the printers that print one character at a time.
A. Laser
B. Drum
C. Chain
D. Dot Matrix
Answer
D. Dot Matrix

Which of the following is an example for Character printer?
A. Laser
B. Drum
C. Chain
D. Daisy Wheel
Answer
D. Daisy Wheel

Which of the following is an example for line printer?
A. Laser
B. Drum
C. Daisy Wheel
D. Dot Matrix
Answer
B. Drum

Non-Impact Printers use ________ technologies.
A. electrostatic and chemical
B. thermal
C. inkjet
D. All of the Above
Answer
D. All of the Above

Which printers produce output by mechanical contact between the print head and paper?
A. Impact
B. Non-impact
C. Both (A) and (B)
D. None of the Above
Answer
A. Impact

______ is a computer printer for printing vector graphics.
A. Plotter
B. Projector
C. Both (A) and (B)
D. None of the Above
Answer
A. Plotter

Plotter can be divided into _________ types.
A. Three
B. Six
C. Four
D. Two
Answer
D. Two

The refresh rate of monitor is measured in _______
A. byte
B. seconds
C. Hertz
D. None of the Above
Answer
C. Hertz

In DLP Projector, DLP stands for________
A. Direct Light Processing
B. Direct Low Processing
C. Digital Low Processing
D. Digital Light Processing
Answer
D. Digital Light Processing

__________ is an interface for connecting eight or more data wires.
A. Serial Port
B. Fire wire
C. Parallel Port
D. None of the Above
Answer
C. Parallel Port

________ is a high-speed real-time interface for serial bus and it has data transfer up to 400 Mbps.
A. Serial Port
B. Fire wire
C. Parallel Port
D. None of the Above
Answer
B. Fire wire

__________ transmits one bit of data through a single wire.
A. Serial Port
B. Fire wire
C. Parallel Port
D. None of the Above
Answer
A. Serial Port

Which refers to the diagonal distance between two coloured pixels?
A. Refresh rate
B. Dot Pitch
C. Both (A) and (B)
D. None of the Above
Answer
B. Dot Pitch

________ is an input device that accepts input when the user places a fingertip on the computer screen.
A. Joy Stick
B. Light Pen
C. Trackball
D. Touch Screen
Answer
D. Touch Screen

Optical Character Recognition (OCR) is also known as_________
A. Intelligent Code Recognition
B. Intermediate Code Recognition
C. Intermediate Character Recognition
D. Intelligent Character Recognition
Answer
D. Intelligent Character Recognition

__________ is a handheld electro-optical pointing device. It is also called mouse pen.
A. Joy Stick
B. Light Pen
C. Trackball
D. Touch Screen
Answer
B. Light Pen

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