GCSE Computer Science Paper 1 Quiz

Which of the following is the binary representation of the decimal number 13?

• 1100

• 1101

• 1011

• 1001

What is the main function of the Arithmetic Logic Unit (ALU) in the CPU?

• To store data and instructions

• To perform calculations and logical operations

• To manage input and output devices

• To control the flow of data in the network

Which of the following is NOT a type of secondary storage?

• Hard Disk Drive (HDD)

• Solid State Drive (SSD)

• RAM

• Optical Disc

What is the main purpose of a firewall in system security?

• To increase the speed of the CPU

• To prevent unauthorised access to a network

• To store backup data

• To convert analogue signals to digital

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

• Laptop computer

• Washing machine controller

• Desktop PC

• External hard drive

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

• Performing arithmetic calculations

• Managing hardware and software resources

• Designing web pages

• Manufacturing CPUs

Which of the following is the hexadecimal representation of the binary number 10101111?

• AF

• 9F

• 7E

• 8B

What is the main difference between RAM and ROM?

• RAM is volatile, ROM is non-volatile

• RAM is used for permanent storage, ROM is for temporary storage

• RAM is slower than ROM

• ROM can be written to, RAM cannot

Which of the following is a characteristic of a star network topology?

• All devices are connected in a ring

• All devices are connected to a central hub or switch

• Each device is connected to two other devices

• Devices are connected in a straight line

Which of the following is a type of malware that disguises itself as legitimate software?

• Worm

• Trojan horse

• Rootkit

• Spyware