Computer Science Trivia
A method of data transmission in which a message is broken up into a number of packets
What is packet switching?
A self-contained set of instructions for performing a specific task within a computer program.
What is a Function?
A program construct that allows for a block of code to be repeated multiple times.
What is Loop?
An accepted form of payment to pay for goods or services.
What is digital currency?
The software that allow users to access and display web pages on their device screens
What is a web browser?
A binary digit with two possible values, 0 or 1.
What is Bit
manipulating people into breaking normal security procedures (such as giving away their password) in order to gain illegal access to computer systems
A tag-based programming language designed to create websites.
What is HTML?
This is a decentralised database. All the transactions of networked members are stored on this database in a crypto network.
What is blockchaining?
Executing instructions repeatedly, either for a set number of times or depending on a condition.
What is iteration/repetition?
When the result of an addition is too large for the number of bits the computer is working with.
What is Overflow?
A base 16 number system which uses 16 different ‘digits’ to represent each value.
What is hexadecimal number system?
The act of gaining illegal access to a computer system without the user’s permission.
What is hacking?
If a hacker wants to ‘crack’ your password, they can systematically try all the different combinations of letters, numbers and other symbols until eventually they find your password.
What is Brute Force attack?
A worldwide collection of interconnected networks
What is internet?
The mode of data transmission when data can be sent in one direction only (for example, from sender to receiver). An example of this would be sending data from a computer to a printer.
What is Simplex transmission?
This technique permanently removes data from a file in order to reduce its size.
A program which is often disguised as legitimate software but with malicious instructions embedded within it.
What is a trojan horse?
An attempt at preventing users from accessing part of a network, notably an internet server.
What is denial of service attack?
It is a container for storing data values in programming.
What is a variable?
A method of error detection which works on the principle that when data is sent to another device, this data is sent back again to the sender.
What is Echo Check?
Derived from the term 'picture element', this is the smallest element used to make up an image on a display
What sis a pixel?
A software that gathers information by monitoring a user’s activities carried out on their computer.
What is spyware?
Programs that encrypt data on a user’s computer and ‘hold the data hostage’.
What is Ransomware?
Malicious code installed on a user’s computer or on an infected website. The code redirects the user’s browser to a fake website without the user’s knowledge.
What is Pharming?