IT Computer Hardware Quiz Online Test

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IT Computer Hardware Quiz

Description: IT computer hardware
Number of Questions: 30
Created by: Akash Patil
Tags: computer hardware

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speakers

input
output

Optical Character Recognition (OCR)

input
output

multi-touch

input
output

Webcam

input
output

the CPU, the RAM, the ROM, and the secondary storage devices

Motherboard
mainframe
head control systems
failover system

uses electronic circuits to read and store data

solid state storage
Secondary storage
contents written at manufacture and cannot be altered later
RAM and ROM are examples

Magnetic Ink Character Recognition (MICR)

input
output

LCD screen

input
output

Keyboards

input
output

joystick

input
output

game controllers

input
output

sensors

input
output

Hardware responsible for processing all instructions the computer runs.

Unicode
volatile storage
CPU
Primary storage

Accessibility software that tracks where a user is looking on the screen

DVD
eye tracking software
digital video cameras
digitize

8 bytes make one bit

True
False

The smallest unit of storage inside a computer

bit
byte

bar code scanners

input device
output device

ASCII

where one byte is used for each character
Encoding system to store text
telephone calls over the Internet
uses electronic circuits to read and store data

Storage devices which use lasers to store and read data.

optical storage
Primary storage
Secondary storage
solid state storage

Terabyte (TB)

Storage unit: 1024 gigabytes
Storage unit: 1024 megabytes.
Storage unit: 1024 petabytes
Storage unit: 1024 exabytes

magnetic stripe readers

input
output

Failover System

not lose its contents when the power is removed.6
storage that users magnets to read and store data
take over the role of a primary system if it fails.
device that uses electronic circuits to read and store data.

Primary storage whose contents are written at manufacture and cannot be altered later.

RAM
RTF
ROM
RAID

Output device

scanner
sensors
speakers
stylus

Primary storage which is fast, relatively expensive, and volatile.

RAM
RTF
ROM
RAID

Bluetooth

Short range, low bandwidth wireless technology
To convert data from analog to digital form.
make telephone calls over the Internet.
Input device used to control a cursor or pointer.

Number of operations the computer can do per second; clock cycle is measured in Hertz

data throughput
Gigahertz (GHz)
clock speed
uptime

microprocessor

processing all instructions the computer runs.
more than one processor core, to increase its performance
multi-core system with four processor cores
secondary storage devices

non-volatile storage

not lose its contents when the power is removed.6
storage that users magnets to read and store data
take over the role of a primary system if it fails.
device that uses electronic circuits to read and store data.

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IT Computer Hardware Quiz

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