Olete.in – MCQs, Mock Tests & Government Job Prep | Computer Hardware and Networking MCQ Questions from Computer Hardware Concept

The stuff would likely break if you threw it out of a fifth-story window is

1. Software
2. Firmware
3. Hardware
4. All of above

✅ Correct Answer: 3

Which of the following is not a hardware?

1. Network Switch
2. Cisco Router
3. Firewall
4. Virtual Router

✅ Correct Answer: 4

A computer without software is

1. like a book of blank pages
2. most power to perform tasks quicker
3. complete human being
4. all of above

✅ Correct Answer: 1

Which of the following hardware you usually can’t find inside a CPU Casing?

1. Power Supply box
2. Video card
3. Video display unit
4. Graphics processor

✅ Correct Answer: 3

Which of the following is not a peripheral hardware device in a computer system?

1. Keyboard
2. Optical Drive
3. HDD
4. Printer

✅ Correct Answer: 3

Identify the network hardware of a home network

1. Access Point
2. NIC Card
3. Analog Modem
4. FireWire

✅ Correct Answer: 1

Which of the following is not a network hardware?

1. Network Switch
2. Bridge
3. Print Server
4. Network Interface Card

✅ Correct Answer: 4

A unit of a computer system that brings data and instructions into the computer

1. Input Devices
2. Encoders
3. Processing Unit Devices
4. All of above

✅ Correct Answer: 1

Identify the odd one

1. Tracker ball
2. Microphone
3. Speaker
4. Sensors

✅ Correct Answer: 3

Graphic Tablet is an

1. Input Unit Device
2. Output Unit Device
3. Video Processing Device
4. None of above

✅ Correct Answer: 1

The process of capturing or collecting raw data at the beginning of computer based information system in to a form that is usable by the computer for processing.

1. Input
2. Gather
3. Acquire
4. Process

✅ Correct Answer: 1

In any information system if the data is processed right away it is called

1. Batch processing
2. Online processing
3. Offline processing
4. Automatic processing

✅ Correct Answer: 2

The two kinds of input devices – direct input and indirect input devices are classified based on

1. Whether the data conversion is involved or not
2. Whether the data is acquired from a device directly connected to CPU or through network
3. Whether the data is directly input or retrieved from disk
4. Whether the data is input with or without human intervention

✅ Correct Answer: 1

In which input method the data is already in machine readable form?

1. Direct input method
2. Indirect input method
3. Stored input method
4. Network input method

✅ Correct Answer: 1

In which input method the data should be converted into machine readable form so that a computer can process it?

1. Direct input method
2. Indirect input method
3. Network input method
4. Stored input method

✅ Correct Answer: 2

A computer key board is a sophisticated electromechanical component designed to create specialized electronic codes when a key is pressed. What is that electronic codes called?

1. Scan code
2. Unicode
3. ASCII
4. EBCDIC

✅ Correct Answer: 1

Keyboard is an example of

1. Direct input method
2. Indirect input method
3. Network input method
4. Stored input method

✅ Correct Answer: 2

In a keyboard the arrow keys Home End PageUp PageDown keys are known

1. Standard keys
2. Function keys
3. Navigation keys
4. Special purpose keys

✅ Correct Answer: 3

In a computer keyboard the Alt Ctrl Shift Del & Insert keys are known as

1. Standard keys
2. Function keys
3. Navigation keys
4. Special purpose keys

✅ Correct Answer: 4

Devorak Colemark JCUKEN are some keyboard layouts for which scripts?

1. Latin Scripts
2. English Scripts
3. Complex Scripts
4. None of above

✅ Correct Answer: 1

Which is the most common computer keyboard layout?

1. QWERTY
2. JCUKEN
3. Devorak
4. Colemark

✅ Correct Answer: 1

QWERTY keyboard layout was originally designed

1. To improve the typing speed
2. To make typing more efficient
3. To make typing harder and inefficient
4. To improve the typing accuracy

✅ Correct Answer: 3

Which of the following describes the types of keyboards?

1. QWERTY Devorak Colemark JCUKEN
2. XT AT Enhanced Windows
3. Both of above
4. None of above

✅ Correct Answer: 2

Which of the following keyboard have 83 keys?

1. XT keyboards
2. AT keyboards
3. Enhanced keyboards
4. Windows keyboards

✅ Correct Answer: 1

Which of the following type of keyboard introduced the SysRq (System Request) key?

1. XT keyboards
2. AT keyboards
3. Enhanced keyboards
4. Windows keyboards

✅ Correct Answer: 2

Which type of computer keyboard contain 101 to 106 keys?

1. XT keyboards
2. AT keyboards
3. Enhanced keyboards
4. Windows keyboards

✅ Correct Answer: 3

Which key was added in Windows keyboard?

1. SysRq
2. CapsLock
3. Menu key
4. None of above

✅ Correct Answer: 3

The most common input device to control the movement of the cursor on the screen?

1. Arrow keys
2. Mouse
3. Joysticks
4. Plotter

✅ Correct Answer: 2

Which of the following type of mouse contain a ball on its underside and sensors to detect direction of ball movement?

1. Mechanical mouse
2. Opto-mechanical mouse
3. Optical mouse
4. None of above

✅ Correct Answer: 1

What is the difference between mechanical mouse and opto-mechanical mouse?

1. Mechanical mouse is connected with wire but opto-mechanical mouse are wireless
2. Mechanical mouse has a ball on its underside but opto-mechanical don’t have
3. Mechanical mouse has only 2 buttons while opto-mechanical mouse have 3 buttons.
4. All of the above

✅ Correct Answer: 2

Cordless mouse or wireless mouse connects to the computer through

1. Infrared light
2. Radio wave
3. Both of above
4. None of above

✅ Correct Answer: 3

What is the device that captures images from photographic prints for computer editing and display?

1. Scanner
2. Printer
3. Camera
4. All of above

✅ Correct Answer: 1

Which of the following is not a type of scanner?

1. Hand held scanner
2. Feed-in scanner
3. Flatbed scanner
4. None of above

✅ Correct Answer: 4

Which of the following is a scanning technology?

1. OCR
2. OMR
3. BCR
4. All of above

✅ Correct Answer: 4

The scanning technology that allows to read the check boxes affixed in predefined space is

1. OCR
2. OMR
3. BCR
4. None of above

✅ Correct Answer: 2

The scanning technology that makes it possible to recognize handwritten data when there is usually space among characters is

1. OMR
2. ICR
3. MICR
4. OCR

✅ Correct Answer: 2

We use following scanner to recognize the printed and typed texts

1. OMR
2. OCR
3. MICR
4. None of above

✅ Correct Answer: 2

The scanner used to verify the signatures written by magnetic ink in banks is

1. OMR
2. OCR
3. MICR
4. None of above

✅ Correct Answer: 3

A unit that receives information from CPU and converts into suitable human readable form is

1. Input Unit
2. Output Unit
3. Processing Unit
4. Language Translator

✅ Correct Answer: 2

A computer monitor is also called a

1. VDT
2. VDU
3. CRT
4. None of above

✅ Correct Answer: 2

Text and images are displayed on monitor by individual dots called

1. Cursor
2. Pixels
3. CRT
4. LED

✅ Correct Answer: 2

Specialized vacuum tube in which images are produced when an electron beam strikes a phosphorescent surface is

1. CRT
2. LED
3. LCD
4. All of above

✅ Correct Answer: 1

The full form of EGA is

1. Enhanced Graphics Adapter
2. Extended Graphics Adapter
3. Enhanced Graphics Array
4. Extended Graphics Array

✅ Correct Answer: 1

Which of the following technology can’t be used to build flat panel display monitors?

1. LCDs
2. Gas Plasma Display
3. CRT
4. LED

✅ Correct Answer: 3

Which of the following printer can print a single character at a time?

1. Serial printer
2. Line printer
3. Page printer
4. Impact printer

✅ Correct Answer: 1

Which of the following printer is suitable to print multiple carbon copies at once?

1. Impact Printer
2. Laser Printer
3. Inkjet Printer
4. All of above

✅ Correct Answer: 1

Identify the printer that uses a kind of hub having set of spokes at the margin of the hub. When the required character is aligned to the print hammer the character is then struck into the ribbon to produce character on paper.

1. Inkjet printer
2. Dot matrix printer
3. Line printer
4. Daisy wheel printer

✅ Correct Answer: 4

The printing technology in which one or more color of ink is sprayed at high speed onto the paper is

1. Laser Printer
2. Ink Jet Printer
3. Dot Matrix Printer
4. Chain Printer

✅ Correct Answer: 2

Which company introduced the first desktop laser printer called LaserJet?

1. Compaq
2. Hewlett-Packard
3. Epson
4. Cannon

✅ Correct Answer: 2

A special-purpose output device that draws images with ink pens is

1. Inkjet Printers
2. Laser Printers
3. Plotter
4. Light Pen

✅ Correct Answer: 3