IGCSE Computer Science (0984) — May–June 2024, Paper 12

Data is stored in different units of measurement. State the number of bits in one byte.

Data can be checked for errors using different methods. Tick (✓) one box to identify which is NOT a method of error detection. A check digit B checksum C parity check D parity bit

Number systems are used in computer science. Identify one number system, other than binary and denary, used in computer science.

Software can be categorised as system software or application software. State one example of system software.

The CPU uses the Fetch-Decode-Execute (FDE) cycle to process instructions. Complete the paragraph about the FDE cycle using the terms from the list. Terms: accumulator, address,…

The table shows methods used to detect errors during data transmission. Complete the table by writing the correct description for each method. Method Description --- --- Parity…

Networks use MAC addresses and IP addresses to identify devices. State how a MAC address is assigned to a network device.

A Distributed Denial of Service (DDoS) attack can affect a web server. Draw a diagram to show how a DDoS attack works.

Computers use primary and secondary storage. Explain why secondary storage is needed in a computer system.

Artificial intelligence (AI) is used in many applications. Describe two characteristics of an AI system.

The internet and the World Wide Web (WWW) are not the same. Explain the difference between the internet and the World Wide Web.