IGCSE Computer Science Paper 1 Revision

What is the binary representation of the decimal number 13?

• 1100

• 1101

• 1011

• 1110

Which of the following is a characteristic of a Local Area Network (LAN)?

• Covers a large geographical area

• Uses satellite communication

• Connects devices within a limited area

• Requires internet access

What is the primary function of a router in a network?

• To store data

• To connect different networks

• To provide power to devices

• To identify devices in a network

Which of the following is an example of serial data transmission?

• USB

• Parallel port

• HDMI

• VGA

What is a key benefit of implementing automation in a manufacturing process?

• To increase the need for human intervention

• To enhance production efficiency

• To lower the quality of products

• To extend production timelines

What part of the computer is responsible for executing instructions and processing data?

• Motherboard

• RAM

• CPU

• Power Supply

What type of software is used to perform specific tasks for users?

• System software

• Application software

• Firmware

• Utility software

Which of the following is a function of an operating system?

• Compiling code

• Managing hardware resources

• Designing graphics

• Writing documents

What is an interrupt in computer systems?

• A program that runs continuously

• A signal that temporarily halts a process

• A type of software update

• A software crash

What is the hexadecimal representation of the binary number 10110110?

• B6

• A7

• 9C

• 8F