Computer Knowledge

Computer Hardware Devices

893 Questions

Computer Hardware Devices focuses on the physical components of a computer system, including input, output, and memory devices. It tests practical understanding of ports, displays, and peripheral technologies. This topic is common in the computer knowledge section of banking and SSC exams.

Input output devicesMonitor settingsComputer portsAssistive technologyHardware components

Computer Hardware Devices Questions

Multiple choice elements of accounts applications of computers in accounting introduction to computer and accounting information system meaning of computerised accounting system application of computerised accounting system

The most commonly used input device are ________ and ________.

  1. keyboard, mouse

  2. keyboard, printer

  3. graphic plotter, mouse

  4. graphic plotter, keyboard
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A keyboard and a mouse are the standard, most widely used hardware devices for entering data and commands into a computer.

Multiple choice elements of accounts applications of computers in accounting introduction to computer and accounting information system meaning of computerised accounting system application of computerised accounting system

Which of the following are the input devices used for computer system?

  1. Mouse, Keyboard, Magnetic tape, Speaker

  2. Mouse, Keyboard, Magnetic tape, Magnetic disk

  3. Mouse, Keyboard, Printer, Magnetic disk

  4. Mouse, Keyboard, Printer, Speaker
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Input unit controls various input devices which are used for entering data into the computer system. Keyboard and mouse, for instance, are the most commonly used input device. Other such devices are magnetic tape, magnetic disk, light pen, optical scanner etc.

Multiple choice elements of accounts applications of computers in accounting introduction to computer and accounting information system meaning of computerised accounting system application of computerised accounting system

There are devices which respond to voice and physical touch. A menu layout displayed on a touch ______.

  1. Sensitive

  2. Insensitivie

  3. Magnetic

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

There are devices which respond to voice and physical touch. A menu layout is displayed on a touch sensitive screen. Whenever user touches a menu item on touch-screen, the computer senses which particular menu item has been touched and accordingly performs the operation associated with that menu item.

Multiple choice elements of business recent trends of business e-commerce and mobile commerce introduction to internet and e-commerce emerging modes of services

Fax can be sent through which of the following?

  1. A computer

  2. Both facsimile machine and computer

  3. Facsimile machine

  4. TV
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A fax(short for facsimile and sometimes called tele-copying) is the telephonic transmission of scanned-in printed material(text or images), usually to a telephone number associated with a printer or other output device. The original document is scanned with a fax machine, which treats the contents(text or images) as a single fixed graphic image, converting it into a bitmap. In this digital form, the information is transmitted as electrical signals through the telephone system. Faxes can also be sent and received through computers.

Multiple choice

computer : program :: iPad :

  1. charger

  2. screen

  3. case

  4. app
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A computer runs programs, and an iPad runs apps. This is a relationship between a device and the software it executes.

Multiple choice meaning and elements of computer system computer in accounting accountancy

Digital devices are _________________.

  1. Digital Clock

  2. Automobile speed meter

  3. Clock with a dial and two hands

  4. All of them
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Digital devices are Digital Clock.

All data that a computer processes must be encoded digitally, as a series of zeroes and ones. The opposite of digital is analog. A typical analog device is a clock in which the hands move continuously around the face. ... Most analog events, however, can be simulated digitally.

Digital clocks typically use the 50 or 60 hertz oscillation of AC power or a 32,768 hertz crystal oscillator as in a quartz clock to keep time. Some timepieces, such as many digital watches, can be switched between 12-hour and 24-hour modes.

The earliest patent for a digital alarm clock was registered by D.E Protzmann and others on October 23, 1956, in the United States. Protzmann and his associates also patented another digital clock in 1970, which was said to use a minimal amount of moving parts.

Multiple choice meaning and elements of computer system computer in accounting accountancy

A machine associated with card-based data processing is?

  1. Codomain

  2. Collator

  3. Cartridge

  4. Digitizer

  5. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A machine associated with card-based data processing is Collator

Sorting refers to the process of putting a set of data in a specified order, while collating refers to the process of comparing two strings to determine which is “greater”, or if they are equal. ... Sorting, in turn, is needed to allow other kinds of processing to occur.

Multiple choice elements of accounts overview of computerised accounting system accounting software concepts and types of computerized accounting system types of accounting software

___________ is capable of producing verbal output that sounds like human speech.

  1. Monitor

  2. Graphic Plotter

  3. Speech Synthesizer

  4. Mouse
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A speech synthesizer is a device or software program that converts text or digital data into audible human-like speech. This is a form of audio output.

Multiple choice elements of accounts overview of computerised accounting system accounting software concepts and types of computerized accounting system types of accounting software

Commonly used output devices are ______.

  1. Monitor, Keyboard, Mouse

  2. Monitor, Printer, Keyboard

  3. Monitor, Mouse, Graphic plotter for producing graphs

  4. Monitor, Printer, Graphic plotter for producing graphs
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The output device is assigned task of translating the processed data from machine coded form to a human readable form. The commonly used output devices include: External devices like monitor also called visual display unit (VDU), printer, graphic plotter for producing graphs, technique drawing and charts and internal devices like magnetic storage devices.

Multiple choice elements of accounts overview of computerised accounting system accounting software concepts and types of computerized accounting system types of accounting software

Recently, a new device being perfected is the _____, which is capable of producing verbal output that sounds like human speech.

  1. voice recorder

  2. speech synthesizer

  3. speech manager

  4. graphic plotter
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The output device is assigned task of translating the processed data from machine coded form to a human readable form. Recently, a new device being perfected is the speech synthesizer, which is capable pf producing verbal output that sounds like human speech.

Multiple choice different modes of communication and their uses information technology communication systems physics

The device that can be used to send a hardcopy of a document to other places quickly is _________ .

  1. Mobile phone

  2. FAX machine

  3. Television

  4. Radio
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
FAX Machine is a device that can be used to send a hardcopy of a document to other places quickly .It scans the document through photocells and the data is transmitted over telephone lines to the receiver's FAX machine, where the data is again printed on a paper as a hardcopy of the original.