AS & A Level Information Technology (9626) — October–November 2023, Paper 12

A company secretary is creating a new database of workers to record: - their six digit ID number - the date they joined the company - their rate of pay per hour up to a maximum…

Mainframe computers are used in banking. Supercomputers are used in climate research. (a) Explain what is meant by a mainframe computer and by a supercomputer with reference to…

Give brief descriptions of the following types of user interface. (a) command line interface

(a) Describe how touch sensors are used as part of a control system in nuclear power plants.

Maria wants to use information about the families in her town for a study. She will get the information from an indirect data source, the town's electoral register. This is kept…

There can be a digital divide between people who live in rural areas and people who live in urban areas. The divide can be caused by the lack of fast broadband in rural areas,…

Louisa, a teacher with limited IT knowledge, has created a simple database of her students. The database contains the names of her students and the results of their latest test.…

Students often transfer files between different word processing and database packages. Justify the need for generic file formats for the transfer of files between different…

Sukhjinder, a mathematics student, has defined a procedure using pseudocode. It calculates the area of a parallelogram by multiplying the base by the height. All parallelograms…

Explain why the following techniques could be needed when making videos. (a) trimming a video clip

When data is sent across the internet, it is usually encrypted. Discuss the benefits and drawbacks of encrypting data which is transmitted over the internet.