Coding 2

Which file type is most likely to contain a program?

• .txt
• .exe
• .jpg
• .mp3

Answer explanation

Executable files (.exe) contain programs that can be run by the operating system.

Which encoding system can represent characters from all writing systems?

• ASCII
• Binary
• Unicode
• Hexadecimal

Answer explanation

Unicode supports characters from multiple languages, unlike ASCII which is limited.

Which of these is a Boolean data type?

• Integer
• String
• True/False
• Character

Answer explanation

Boolean data types store logical values such as True or False.

How many bits are there in 1 byte?

• 4
• 8
• 16
• 32

Answer explanation

A byte consists of 8 bits, the basic unit of digital information.

Which command is used to list the contents of a directory in a command line interface?

• ls
• mkdir
• cd
• rm

Answer explanation

The 'ls' command lists directory contents in Linux/Unix.

What is the primary purpose of a firewall?

• To speed up downloads
• To block unauthorized access
• To clean junk files
• To manage passwords

Answer explanation

A firewall monitors and controls incoming and outgoing network traffic.

Which term refers to software stored on hardware that provides low-level control?

• BIOS
• Driver
• Firmware
• Compiler

Answer explanation

Firmware is software embedded in hardware to provide essential functions.

Which protocol is used to transfer web pages over the internet?

• FTP
• HTTP
• SMTP
• SSH

Answer explanation

HTTP is used to transfer web pages between a browser and a server.

What is the primary benefit of using cloud storage?

• Increased CPU performance
• Access to files from any device
• Faster internet connection
• Stronger cybersecurity

Answer explanation

Cloud storage allows users to access files from multiple devices over the internet.

What does SQL stand for?

• Structured Question List
• Simple Query Logic
• Structured Query Language
• Software Quality List

Answer explanation

SQL (Structured Query Language) is used to manage and manipulate databases.