Computer Glossary Set – 4

1. Cyberbullying

Cyberbullying involves harassing, embarrassing, or threatening a young person via cyberspace.

It encompasses several different mediums, including the Web,e-mail, and cell phone communication.

2. Cyberspace

It is used to describe the virtual world of computers.

cyberspace refers to a block of data floating around a computer system or network. With the advent of the Internet, cyberspace now extends to the global network of computers.

3. Cybersquatter

A cybersquatter, or “domainer,” is someone who registers a domain name without intending to create a website for it.

Cybersquatters typically register domain names with common words or phrases with the hope of selling the domains at a profit to interested buyers.

4. CTR – Click-Through Rate

It is used for online  advertising.Web publishers typically generate revenue from advertisers each time a visitor clicks on one of the advertisements 

5. CD-ROM – Compact Disc Read-Only Memory.

A CD-ROM is a CD that can be read by a computer with an optical drive.

The first CD-ROMs could hold about 600 MB of data, but now they can hold up to 700 MB. 

6. CD-RW – Compact Disc Re-Writable

A CD-RW is a blank CD that can be written to by a CD burner.

The data burned on a CD-RW cannot be changed, but it can be erased. 

7. CD-R – Compact Disc Recordable.

CD-R discs are blank CDs that can record data written by a CD burner.

The data burned onto a CD-R disc is permanent, meaning it can not be altered or erased like the data on a hard drive.  

8. Cracker

A Cracker is a person who breaks into a computer system to steal the information as programs for unauthorised use.

9.Counter feiting

It is a process of making and distributing illegal copies of software packages.


A captcha is a challenge-response test that determines whether a user is human or an automated bot.

A typical captcha includes an image of distorted text and a form field for the user to enter the text.

captchas are commonly found at the end of website forms, and must be filled out in order for the form to be submitted.