ICT General Knowledge 4

Question 1

Which data structure operates on a 'Last In, First Out' (LIFO) principle?

Accepted Answer

Stack

Answer

A stack follows the LIFO principle, where the last element added is the first one to be removed.

Question 2

What is two-factor authentication (2FA)?

Accepted Answer

A security process requiring two distinct forms of identification to access an account

Answer

2FA adds a second layer of security by requiring a second verification step (like a code sent to your phone) beyond just a password.

Question 3

Which HTML tag is used to create a hyperlink?

Accepted Answer

<a>

Answer

The <a> (anchor) tag is used in HTML to create hyperlinks, using the href attribute to specify the destination URL.

Question 4

What does the term 'open source' mean in software development?

Accepted Answer

Software whose source code is publicly available for anyone to view, modify, and distribute

Answer

Open source software makes its source code publicly available, allowing anyone to inspect, modify, and enhance it.

Question 5

In a relational database, what is a 'primary key'?

Accepted Answer

A unique identifier for each record in a table

Answer

A primary key is a column (or set of columns) that uniquely identifies each row in a database table.

ICT - Information Communication Technology Practice Test