Computer Hardware and Networking/Computer Hardware MCQ GK Questions Set 1 Sample Test,Sample questions

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Question:
 Which of the following key should be pressed to move to the beginning of a line of text?

1.Page up

2.Shift

3.Home

4.Enter

Posted Date:-2022-01-02 04:05:55


Question:
 Which register shows the results of arithmetic and logical operations such as carry, overflow, negative?

1.Stack register

2.Status register

3.Memory data register

4.Memory buffer

Posted Date:-2022-01-02 03:39:34


Question:
 Which register shows the results of arithmetic and logical operations such as carry, overflow, negative?

1.Stack register

2.Status register

3.Memory data register

4.Memory buffer

Posted Date:-2022-01-02 03:39:41


Question:
A joystick is primarily used for which purpose?

1.controlling sound on the screen

2. computer gaming

3.enter text

4.draw pictures

Posted Date:-2022-01-02 04:10:49


Question:
A motherboard consists of

1.CPU

2.RAM and BIOS chip

3.Expansion slots

4.All the above

Posted Date:-2022-01-02 02:16:03


Question:
Any physical components of a computer system that we can see and touch is

1. Software

2.Peripheral device

3.hardware

4.CPU

Posted Date:-2022-01-02 02:14:24


Question:
Central Processing Unit in a computer consists of which major components?

1.Arithmetic logic unit (ALU) and Control Unit

2.Control Unit (CU)

3.Registers

4.ALU, Control Unit, and Registers

Posted Date:-2022-01-02 02:19:40


Question:
Computer gets the input with the help of

1.mouse and keyboard

2.joystick

3.printer

4.Both a and b

Posted Date:-2022-01-02 03:41:54


Question:
CPU is fabricated on a single integrated circuit board that is known as

1.Motherboard

2.Microprocessor

3.CU

4.ALU

Posted Date:-2022-01-02 03:53:14


Question:
Data moves in and out of the CPU through embedded wires called

1.Bus

2.Electronic wires

3.Lines

4.Cables

Posted Date:-2022-01-02 03:33:57


Question:
Internal memory of central processing unit is nothing but

1.a set of registers

2.a set of ALU and CU

3.buses

4.None

Posted Date:-2022-01-02 03:56:29


Question:
Optical Character Recognition is used for the preparation of

1.electricity bills

2.insurance premium

3.telephone bills

4.All of these

Posted Date:-2022-01-02 04:18:03


Question:
The main task of the central processing unit is to

1.carry out program instruction

2.carry out program instruction

3. process data and information

4.Both a and c

Posted Date:-2022-01-02 03:54:41


Question:
The microprocessor consists of millions of

1.registers

2.microchips

3.transistors

4.semiconductors

Posted Date:-2022-01-02 03:58:37


Question:
The microprocessor of a computer system

1. understand machine language and low-level language

2.understand machine language and high-level language

3.understand only machine language

4.understand only assembly language

Posted Date:-2022-01-02 03:59:25


Question:
The most common buses inside the microcomputer are

1.Address bus

2.Address bus and Data bus

3.Address bus and Control bus

4.Address bus, Data bus, and Control bus

Posted Date:-2022-01-02 03:34:40


Question:
The read and write operations in the computer is carried out through

1.data bus

2.address bus

3.control bus

4.All of these

Posted Date:-2022-01-02 04:04:59


Question:
The system unit that contains the most vital part of the personal computer is called

1.CPU

2.BIOS chip

3.Motherboard

4.Monitor

Posted Date:-2022-01-02 02:15:15


Question:
What is the full form of MICR?

1.Magnetic Ink Character Register

2.Magnetic Ink Code Reader

3.Magnetic Ink Code Register (d)

4.Magnetic Ink Code Recognition

Posted Date:-2022-01-02 04:19:38


Question:
What kind of device is a computer mouse?

1.Input

2.Output

3.Pointing device

4.Both a and c

Posted Date:-2022-01-02 04:07:34


Question:
Which among the following is the fastest memory in a computer that holds information?

1. Register

2.Cache

3.Main memory

4.RAM

Posted Date:-2022-01-02 02:33:27


Question:
Which bus is used to carry data to and from the memory?

1.Address bus hese

2.Data bus

3.Control bus

4.None of the these

Posted Date:-2022-01-02 03:35:23


Question:
Which button is known as a middle button used as the third mouse button?

1. Right button

2.Left button

3.Scroll wheel

4.None of the these

Posted Date:-2022-01-02 04:09:55


Question:
Which device is mostly used to enter data or information in a computer system?

1.Touch screen

2.mouse

3.light pen

4.keyboard

Posted Date:-2022-01-02 03:52:27


Question:
Which input device is mainly used to detect marks on paper?

1.Barcode reader

2.OMR

3.OCR

4.MICR

Posted Date:-2022-01-02 04:13:20


Question:
Which input device is used in banks for processing cheques to recognize the magnetic encoding numbers printed at the bottom of a cheque?

1. OCR

2.MICR

3.OMR

4.All of these

Posted Date:-2022-01-02 04:21:55


Question:
Which input device is used to recognize the physical or behavioral traits of the individual?

1.Smart card

2.MICR

3.Bar code

4.Biometric sensor

Posted Date:-2022-01-02 04:24:47


Question:
Which input device is widely used for acquiring textual data from images?

1.MICR

2.OCR

3.Scanner

4.Sensor

Posted Date:-2022-01-02 04:17:05


Question:
Which input device moves in all directions, controls the movement of the cursor, and continues moving in the previously pointing direction?

1.Mouse

2.Trackball

3.Joystick

4.Both a and c

Posted Date:-2022-01-02 04:11:47


Question:
Which key is used to launch the Start button?

1.Esc

2.Shift

3.Windows

4.Shortcut

Posted Date:-2022-01-02 04:06:47


Question:
Which memory is used for storing data and program instructions currently being executed by CPU?

1.Mass memory

2.Auxiliary memory

3.Internal memory

4.Non-volatile memory

Posted Date:-2022-01-02 04:02:44


Question:
Which memory unit communicates directly with the CPU?

1.Main memory

2.Register

3.Secondary memory

4.Auxiliary memory

Posted Date:-2022-01-02 04:01:51


Question:
Which of the following are not input devices?

1.Keyboard, trackball, light pen

2.Barcode reader, OMR, OCR, MICR

3.Biometric sensor, scanner, Mic

4.Plotter, projector, headphones

Posted Date:-2022-01-02 03:43:24


Question:
Which of the following are the predominant manufacturers for desktop and laptop processors?

1. Intel

2.AMD (Advanced Micro Devices)

3.Motorola

4.Both a and b

Posted Date:-2022-01-02 02:35:15


Question:
Which of the following component of CPU controls input/output devices, generate control signals to the other components of the computer such as read and write signals, and performs the execution of instruction?

1.ALU

2.Accumulator

3.Control Unit

4.Both a and c

Posted Date:-2022-01-02 02:32:18


Question:
Which of the following component of CPU performs arithmetic operations such as addition, subtraction, division, and multiplication and logic operations such as AND, OR, and NOT?

1.CU

2.ALU

3.Both a and b

4.Register

Posted Date:-2022-01-02 02:20:37


Question:
Which of the following component of CPU performs arithmetic operations such as addition, subtraction, division, and multiplication and logic operations such as AND, OR, and NOT?

1.CU

2.ALU

3.Both a and b

4.Register

Posted Date:-2022-01-02 02:31:05


Question:
Which of the following components remains on the motherboard?

1.CMOS battery

2.PCI slot

3.Case fan

4.All of these

Posted Date:-2022-01-02 04:04:08


Question:
Which of the following input device is a handheld electro-optical pointing device that is used for making drawings, graphics, and for menu selection?

1.Light pen

2.Touch screen

3.Trackball

4.Joystick

Posted Date:-2022-01-02 04:12:30


Question:
Which of the following input device is used for marking attendance of employees/students in organizations/institutions and security purposes?

1.OCR

2.Webcam

3.Biometric sensor

4.Both a and c

Posted Date:-2022-01-02 04:16:29


Question:
Which of the following invented the first microprocessor?

1.Vint Cerf

2.Terence Percival

3.John Mauchly

4.Ted Hoff

Posted Date:-2022-01-02 03:57:20


Question:
Which of the following is considered as the brain of the computer?

1. Motherboard

2.RAM

3.CPU

4.BIOS chip

Posted Date:-2022-01-02 02:17:32


Question:
Which of the following is not hardware?

1.Processor chip

2.Printer

3.Mouse

4.Java

Posted Date:-2022-01-02 02:34:14


Question:
Which of the following is primarily responsible for converting input (data) into meaningful output (information)?

1.RAM

2.CPU

3.Storage device

4.Input and Output device

Posted Date:-2022-01-02 02:18:48


Question:
Which of the following is temporary storage used to hold data that is used for arithmetic and logical operations and storing its results?

1.ALU

2.PC (Program counter)

3.Accumulator

4.IR (Instruction Register)

Posted Date:-2022-01-02 03:32:38


Question:
Which of the following is/are the type of smart card reader?

1. Memory card reader

2.Microprocessor card

3.Both a and b

4.None of these

Posted Date:-2022-01-02 04:23:38


Question:
Which of the following unit helps to establish the communication between memory and ALU in the computer?

1.CMU

2.CCU

3.CPU

4.None

Posted Date:-2022-01-02 03:55:37


Question:
Which register holds the actual instruction being executed currently by the computer?

1.Memory address register (MIR)

2.Instruction register (IR)

3.Memory data register (MDR)

4.Program counter register

Posted Date:-2022-01-02 03:37:03


Question:
Which register holds the address of a memory location?

1.Memory data register

2.Memory address register

3.Status register

4.Stack address

Posted Date:-2022-01-02 03:37:50


Question:
Which register holds the address of the current instruction being executed?

1.Instruction register

2. Memory data register (MDR)

3.Stack register

4.Program counter

Posted Date:-2022-01-02 03:36:19


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