Computerhelp4all logo Articles AboutTopicsQuizzesComputer Questions & AnswersComputer Terms & DefinitionsActivitiesContact

Page 9

Index 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
What Is A Keyboard

What Is A Keyboard?

Difficulty: Easy

A keyboard is a basic input device made up of a panel of keys that allows users to input letters, numbers, symbols, and perform other functions by pressing individual keys.

What Is A Solid-State Drive

What Is A Solid-State Drive?

Difficulty: Medium

A solid-state drive, also known as a semiconductor storage device, or an SSD, is a newer generation non-volatile storage device that...

What Is A Hard Disk Drive

What Is A Hard Disk Drive?

Difficulty: Medium

A hard disk drive, also known as a hard disk, hard drive, or HDD, is a non-volatile storage device used to store data on a computer...

What Is A Power Supply

What Is A Power Supply?

Difficulty: Medium

A power supply, also known as a P/S, a PSU, or a power supply unit, is a hardware component used to provide electric power to a computer...

What Is The Motherboard

What Is The Motherboard?

Difficulty: Medium

The motherboard, also known as the main circuit board or backplane board, is the large circuit board in a computer that all peripherals and necessary...

What Is The CPU

What Is The CPU?

Difficulty: Medium

Stands for Central Processing Unit. The CPU, also known as the processor, is a component of a computer that handles and processes the instructions...

What Is RAM

What Is RAM?

Difficulty: Medium

Stands for random access memory. RAM is a form of volatile memory used to temporarily store data the processor is currently using so that it can be quickly reached...

What Is An Antivirus

What Is An Antivirus?

Difficulty: Easy

An antivirus, also spelt as anti-virus, is a software program designed to detect and remove computer viruses and other unwanted programs that harm a computer...

What Is A MITM Attack

What Is A MITM Attack?

Difficulty: Medium

Stands for a man-in-the-middle attack. A MITM attack is a type of cyberattack where an attacker intercepts communications between the user and server...

What Is A Password

What Is A Password?

Difficulty: Easy

A password is a secret string of characters that is used to authenticate a user before signing in. Passwords are used in combination with usernames...

What Is Chain Mail

What Is Chain Mail?

Difficulty: Easy

Chain mail is a type of unsolicited email that is designed to convince the recipient into forwarding the email to other people and making as many copies as possible...

What Is TLS

What Is TLS?

Difficulty: Medium

Stands for Transport Layer Security. TLS is a security protocol used to enable secure transmission of data over a network. It accomplishes this by...

What Is An SSL Certificate

What Is An SSL Certificate?

Difficulty: Medium

Stands for a Secure Sockets Layer certificate. An SSL certificate is a data file or digital certificate that proves the identity and authenticity...

What Is SSL

What Is SSL?

Difficulty: Medium

Stands for Secure Sockets Layer. SSL is a protocol used to encrypt communications between two computers communicating over the internet...

What Is Phishing

What Is Phishing?

Difficulty: Easy

Phishing is the practice of impersonating trusted companies to steal sensitive information from users. Phishing usually comes in the form of email...

What Is A DDoS Attack

What Is A DDoS Attack?

Difficulty: Medium

Stands for a Distributed Denial Of Service Attack. A DDoS attack occurs when an attacker floods a network or server with so much malicious traffic that it...

What Is Encryption

What Is Encryption?

Difficulty: Medium

Encryption is the use of complex algorithms to scramble sent information into random characters and symbols so that it cannot be read by any unauthorised users...

What Is A Computer Virus

What Is A Computer Virus?

Difficulty: Easy

A computer virus is a type of malicious program, script, code, or macro that is designed to harm a computer and spread from one device to another...

What Is A Remote Procedure Call

What Is A Remote Procedure Call?

Difficulty: Advanced

A Remote Procedure Call (RPC) is a software communication protocol that can be used by a program in order to request a service from...

What Is Multiplexing

What Is Multiplexing?

Difficulty: Medium

Multiplexing, sometimes abbreviated to muxing, is a method of combining analogue and digital signals into one data stream...

What Is POTS

What Is POTS?

Difficulty: Medium

Stands for Plain Old Telephone Service. POTS is the traditional analogue signal telecommunications service that is implemented over copper wires and telephone lines...

What Is A Repeater

What Is A Repeater?

Difficulty: Medium

A repeater, also known as a signal booster, is a device that regenerates traffic signals in order for one network to cover a longer physical distance...

What Is A VLE

What Is A VLE?

Difficulty: Medium

Stands for a virtual learning environment. A VLE is a web-based teaching platform that allows teachers to upload resources to the site...

What Is A Wireless Adapter

What Is A Wireless Adapter?

Difficulty: Easy

A wireless adapter, also known as a Wi-Fi dongle, Wi-Fi stick, Wi-Fi adapter, internet stick, or USB network adapter, is a piece of networking equipment...

What Is An Antenna

What Is An Antenna?

Difficulty: Medium

Also known as an aerial, an antenna is a part of wireless infrastructure that is capable of sending and receiving microwave, radio, and satellite signals...


What Is ONC/RPC?

Difficulty: Advanced

Stands for Open Network Computing Remote Procedure Call. ONC/RPC, also known as Sun RPC is a remote procedure call system that was originally developed by Sun Microsystems...

What Is Social Media

What Is Social Media?

Difficulty: Easy

Social media is an internet-based technology that allows users to post and share content with their friends or the public and create a social network...

What Is AWS

What Is AWS?

Difficulty: Medium

Stands for Amazon Web Services. AWS is a cloud computing platform that was developed by Amazon, Inc. It was officially launched in 2002 with a few services...

What Is A VLAN

What Is A VLAN?

Difficulty: Medium

Short for a virtual local area network, a VLAN is a customisable network that is created from multiple LANs. It allows groups of devices...

What Is PPP

What Is PPP?

Difficulty: Medium

Stands for Point-To-Point Protocol. PPP is a data link protocol used to directly transfer data between two nodes (points)...