IGCSE Computer Science Review Questions

What is the primary function of a firewall in network security?

Which programming language is commonly recommended for IGCSE Computer Science?

What does cybersecurity primarily involve?

In data representation what does ASCII stand for?

Which of the following is considered secondary storage?

Which component converts analog signals to digital form?

What is the main purpose of a motherboard in a computer system?

What is a bit?

Which of the following is an example of an operating system?

In data compression what does the term lossy mean?

In computer networking what does LAN stand for?

What is the binary numeral system?

What is the base of the hexadecimal numeral system?

Which of the following is NOT an input device?

What is one main advantage of using high-level programming languages over low-level languages?

Which sorting algorithm is known for its simplicity though it may not be the most efficient?

Which statement best defines an algorithm?

What is the purpose of using pseudocode?

Which data structure follows a Last In First Out (LIFO) principle?

What is the purpose of a compiler?

Which component is primarily responsible for generating graphical output in a computer?

Which control structure is used for decision making in programming?

What does URL stand for?

What does “bit rate” refer to in digital communications?

What does RAM stand for?

What does an operating system do?

Which of the following is an example of primary storage?

What is the purpose of an interpreter in programming?

Which device converts digital data into analog signals for transmission?

What is the main role of an operating system?

What is the function of the arithmetic logic unit (ALU) in a computer?

What is the main purpose of error detection codes in data transmission?

What does “open source” software mean?

What does CPU stand for?

Which concept is a fundamental principle of object-oriented programming?