IGCSE Computer Science (0478) — October–November 2023, Paper 13

A mobile telephone has built-in input and output devices. Give two examples of an input device that would be built into a mobile telephone.

Humans use a denary number system and computers use a binary number system. Explain what is meant by a binary number system.

A computer has a central processing unit (CPU). Circle three components that are built into the CPU. accumulator (ACC) control unit (CU) graphics card hard disk drive (HDD)…

An employee uses a web browser on their computer. Describe the main purpose of a web browser.

Errors can occur when data is transmitted. Give one reason an error may occur when data is transmitted.

A company uses cloud storage to store its data. Tick (✓) one box to show which is not a characteristic of cloud storage. [ ] A Data is accessed through a network [ ] B Data is…

A photographer takes an image with a digital camera. The photographer sets the resolution and colour depth for the image. State what is meant by the image resolution.

Draw and annotate a diagram to represent the role of a router.

A computer has secondary storage. The table contains statements about secondary storage. Complete the table by writing the type of secondary storage that applies to each…

A car repair garage uses an expert system. Complete the description about the operation of the expert system. Use the terms from the list. Some of the terms in the list will not…