Computerhelp4all logo Articles AboutTopicsQuizzesComputer Questions & AnswersComputer Terms & DefinitionsActivitiesContact

Page 1

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 Wi-Fi

What Is Wi-Fi?

Difficulty: Easy

Wi-Fi is a wireless technology, believed to be short for Wireless Fidelity, although it is not the official full word for Wi-Fi...

What Is A Proxy Server

What Is A Proxy Server?

Difficulty: Medium

A proxy server, also known as a proxy, forwards traffic sent from a computer to the proxy server and may offer an anonymous net...

What Is A HAN

What Is A HAN?

Difficulty: Medium

Short for a home area network, a HAN is a small type of network that is designed to cover a home, as suggested in the name. It....

What Is A MAN

What Is A MAN?

Difficulty: Medium

Short for a metropolitan area network, a MAN is a much larger network than a LAN, but smaller than a WAN. It is used for provi...

What Is Ethernet

What Is Ethernet?

Difficulty: Easy

Ethernet is a popular high-speed wired technology for directly connecting a device, such as a laptop or a computer to a router....

What Is A Wireless Application Protocol

What Is A Wireless Application Protocol?

Difficulty: Medium

A wireless application protocol, also known as a WAP is a technology that enables the retrieval of information over a mobile wi...

What Is A WAN

What Is A WAN?

Difficulty: Medium

Short for a wide area network, a WAN is a term that describes a large computer network that is fixed to a single location and covers a wide geographical area, such as multiple cities. It is the opposite of a LAN (local...

What Is A LAN

What Is A LAN?

Difficulty: Medium

Short for a local area network, a LAN is a term that describes a network that connects nearby devices within a limited area. Ex...

What Is A VPN

What Is A VPN?

Difficulty: Medium

Short for a virtual private network, a VPN provides a secure and private connection over a public, business, or home network by...

What Is An IP Address

What Is An IP Address?

Difficulty: Medium

Short for internet protocol address, an IP address is a string of four unique numbers, separated by full stops that are assigne...

What Is The TCP/IP Protocol

What Is The TCP/IP Protocol?

Difficulty: Advanced

TCP is short for transmission control protocol and IP is short for internet protocol. TCP/IP is a term used to describe a set o...

How To Stay Safe Online

How To Stay Safe Online?

Difficulty: Easy

The internet has become so popular. As of now, it is possible to use the internet for almost anything, such as online shopping....

What Is An Internet Service Provider

What Is An Internet Service Provider?

Difficulty: Easy

An internet service provider, also known as an internet network service provider is a company that provides internet access for both homes and business...

What Is IANA

What Is IANA?

Difficulty: Medium

IANA is short for Internet Assigned Numbers Authority and it is an organisation that is responsible for the assignment of internet numbers, as suggest...

What Are Nameservers

What Are Nameservers?

Difficulty: Advanced

Nameservers, also known as NS are types of DNS records that help connect the domain name with the IP address of the website. Th...

What Is A Domain Registrant

What Is A Domain Registrant?

Difficulty: Medium

A domain registrant is a user or company that owns and conducted the registration of a certain domain name. Domain registrants....

What Is DNS Cache

What Is DNS Cache?

Difficulty: Advanced

DNS cache temporarily stores previous DNS lookups on a computer in order to retrieve the IP addresses and translate domain name...

What Is An Expired Domain

What Is An Expired Domain?

Difficulty: Medium

An expired domain refers to a domain name that has been registered by someone, but hasn't been renewed before its expiry date.....

What Is Freenom

What Is Freenom?

Difficulty: Medium

Freenom (also known as is a free domain provider that offers five TLDs for free, which include .tk, .ml, .cf, .ga, and .gq. Freenom is known as 'th...


What Is ICANN?

Difficulty: Medium

ICANN is short for Internet Corporation for Assigned Names and Numbers and it is a non-profit organisation that was founded on....


What Is WHOIS?

Difficulty: Medium

WHOIS is a protocol that first started in 1982, containing a public database of information about all registered domain names.....

What Is A Domain Registrar

What Is A Domain Registrar?

Difficulty: Medium

A domain registrar is a company that allows users to register domain names, which are URLs that are made up of alphanumeric let...

What Is DNS

What Is DNS?

Difficulty: Advanced

DNS is short for domain name system and it can also be known as the phonebook of the internet. The purpose of DNS is to transl...

What Is A TLD

What Is A TLD?

Difficulty: Medium

A TLD is short for a top-level domain and it is the extension that appears at the end of the domain name after the dot, such as...

What Is A Subdomain

What Is A Subdomain?

Difficulty: Medium

A subdomain, also known as a child domain refers to a domain that is part of another domain, such as the address of this websi...

What Is A Premium Domain

What Is A Premium Domain?

Difficulty: Medium

A premium domain refers to a domain that is already owned by a registrant or an organisation, but is for sale and available for purchase, normally at a very high price, costing...

What Is A Parked Domain

What Is A Parked Domain?

Difficulty: Medium

A parked domain refers to a registered, but unused domain name that doesn't show any actual content and only shows advertisemen...

What Is Domain Squatting

What Is Domain Squatting?

Difficulty: Medium

Domain squatting, also known as cybersquatting is the act of registering a domain with the sole purpose of preventing another u...

What Is Typosquatting

What Is Typosquatting?

Difficulty: Medium

Typosquatting is the act of registering misspellings or typos of common domain names in the hope that a user mistypes the URL and visits the typosquatted website. Such domains could 'phish' for other people's details and try to trick them into entering...

What Is A Domain Name

What Is A Domain Name?

Difficulty: Medium

A domain name is an address that can be seen in the URL field of the web browser. Domain names have a custom name, usually the....