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Computer Hardware

Description: MCQ for computer hardware
Number of Questions: 25
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Tags: hardware Computer Hardware
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You want to install a memory in the laptop computer. Which type of memory package should you use?

  1. SIMM (Single- in- Line Memory Module)

  2. DIMM

  3. SODIMM

  4. RIMM


Correct Option: C
Explanation:

 A SODIMM or Small Outline Dual in-line memory module is the smallest version of the DIMM. Laptops and notebooks use this package.

You want to install a power supply unit in your system and you stay in INDIA. What voltage should you set using the voltage selector switch?

  1. 110 V

  2. 115 V

  3. 210 V

  4. 230 V


Correct Option: D
Explanation:

230V voltage selection is for India because of the frequency of electricity in India.

The ______________ is used to rectify the AC voltage to pulsating DC in Linear Power Supply.

  1. diode

  2. capacitor

  3. transformer

  4. transistor


Correct Option: A
Explanation:

Diode is an electrical device which is used to convert AC into pulsating DC voltage. The circuit which is made by 2 or 4 diodes to rectify the AC into pulsating DC, which is called rectifier.

Which of the following is a type of a hard disk drive?

  1. SCSI

  2. FAT

  3. AMR

  4. ATX


Correct Option: A
Explanation:

SCSI (Small Computer System Interface) is a type of a hard disk drive and typically used in network server which includes lots of processing.

You can connect __________ devices to a single IDE cable.

  1. one

  2. two

  3. three

  4. four


Correct Option: B
Explanation:

We can connect two devices to a single IDE cable because it has an additional connector which enables us to connect 2 IDE devices to the system.

The ________ printer uses vaporization of ink to print.

  1. dot matrix

  2. inkjet

  3. bubble jet

  4. laser printer


Correct Option: C
Explanation:

The bubble jet printer is a type of inkjet printer. In this type of printer, many resistors are used. These resistors create heat. The heat causes vaporizing of ink. This vaporizing process leads to creation of a bubble in the ink. 

Which one is a component of the Floppy Disk Drive?

  1. Air filter

  2. Optical head

  3. Face plate

  4. None of the above


Correct Option: C
Explanation:

It is also referred to as bezel. The floppy disk is inserted in the floppy disk drive through this face plate.

The concentric rings on the hard disk platter are known as

  1. tracks

  2. sector

  3. circle

  4. round


Correct Option: A
Explanation:

The concentic rings known as tracks are required to store the data. The read/ write head moves over the required track and reads the data from the hard disk.

The _____________ connector connects to the hard disk drive.

  1. AT power connector

  2. ATX power connector

  3. Molex

  4. Mini Berg


Correct Option: C
Explanation:

It is a 4 pin power connector which is used to connect to the hard disk drive.

The speed of the CD-RW drive is specified using ________________ speed.

  1. W

  2. X

  3. Y

  4. Z


Correct Option: B
Explanation:

 It is correct because this alphabet is placed on the face of the CD-RW drive. If the speed of the CD drive is specified as 12X, the transfer speed is 12*150 = 1,800kbps.

Which virus keeps on changing its signature after an infection?

  1. Polymorphic virus

  2. Boot virus

  3. Worm

  4. Trojan


Correct Option: A
Explanation:

A virus that changes its virus signature (i.e. its binary pattern) every time it replicates and infects a new file in order to avoid detection by an antivirus program.

You can connect your LAN card to the ___________ slot on the motherboard.

  1. AGP

  2. PCX

  3. PCI

  4. AGX


Correct Option: C
Explanation:

 PCI stands for Peripheral Component Interconnect.This slot is used for attaching additional devices such as LAN card or ethernet card and internal modem to the motherboard.

Which utility enables you to re-size a partition?

  1. Disk defragmenter

  2. Disk management

  3. Partition Magic Pro

  4. Check disk


Correct Option: C
Explanation:

Partition Magic Pro is a system utility that enables you to create and re-size the drives without loss of information. Microsoft provides the basic utilities such as FDISK and FORMAT for disk management. These two utilities enable you to perform the basic tasks such as creating and formatting drives. But using these utilities, you cannot resize or undelete partitions.

On a single hard disk you can have up to______________-primary partitions.

  1. two

  2. five

  3. four

  4. three


Correct Option: C
Explanation:

We can make maximum 4 primary partions in a hard disk and minimum 1 primary parition where the window exists.

Which option in the Chkdsk command fixes errors on the specified disk?

  1. /f

  2. /v

  3. /x

  4. /r


Correct Option: A
Explanation:

 This option is used for fixing errors on the specified disk.

Which virus is spread through Excel worksheets?

  1. Boot

  2. Macro

  3. Worm

  4. Polymorphic


Correct Option: B
Explanation:

A type of computer virus that is encoded as a macro embedded in a document. Many applications, such as Microsoft Word and Excel, support powerful macro languages. These applications allow you to embed a macro in a document, and have the macro execute each time the document is opened.

 

Blu-ray Disk enables you to record up to ___________ of data on a single side.

  1. 25 GB

  2. 4.7 GB

  3. 1 GB

  4. 1.44 MB


Correct Option: A
Explanation:

It can store 25 GB of data on a single side. The name Blu-ray Disk refers to the blue laser used to read the disc, which allows information to be stored at a greater density than is possible with the longer wavelength red laser used for DVDs.

Which option in the check disk command displays the name of each file located on the disk?

  1. /f

  2. /v

  3. /x

  4. /r


Correct Option: B
Explanation:

This is the correct option which is used to display the name of each file located on the disk.

Motherboard configuration is done with the help of _________.

  1. RAM

  2. Processor

  3. Jumpers

  4. Device card


Correct Option: C
Explanation:

A jumper is a short length of conductor used to close a break in or bypass part of an electrical circuit. Jumpers are typically used to set up or adjust printed circuit boards, such as the motherboards of computers.

Which of the following softwares enables you to create only a duplicate copy of an existing CD?

  1. Adensoft Audio/Data Burner

  2. Clone CD

  3. Ahead Nero

  4. Microsoft Office


Correct Option: B
Explanation:

This software enables you to create a duplicate copy of a CD. This software first copies the image from the original CD. Then, it burns the image on the blank CD.

USB version 2.0 provides data transfer at the maximum speed of ______________.

  1. 1.5 Mbps

  2. 12 Mbps

  3. 480 Mbps

  4. 133 Mbps


Correct Option: C
Explanation:

It is the maximum data transfer speed of USB version 2.0 after upgradation of USB version 1.1.

A parallel port connector has how many number of pins to connect devices?

  1. 5

  2. 6

  3. 25

  4. 4


Correct Option: C
Explanation:

The parallel port connector has 25 pins to connect devices such as printers, scanners, etc.

What is the maximum range of a bluetooth device having power class 2?

  1. 100 m (approx.)

  2. 10 m (approx.)

  3. 1 m (approx.)

  4. None of the above


Correct Option: B
Explanation:

It is the maximum range of bluetooth device having power class 2.

The process of converting digital signal into analog signal is performed by

  1. transformer

  2. capacitor

  3. modem

  4. rectifier


Correct Option: C
Explanation:

It is used to modulate or convert digital signal to analog signals and the process is called modulation.

Which of the following types of memory is electrically reprogrammable?

  1. Flash

  2. Cache

  3. PROM

  4. EPROM

  5. None of these


Correct Option: A
Explanation:

Flash memory is a high density memory. It is fast in reading and writing data. This is because it writes data in chunks and blocks.

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