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Range versus accuracy in floating point binary numbers

Students need to be aware of the trade-off when the number of bits allocated to the mantissa and exponent are increased or decreased. This worksheet allows them to answer practice questions. Answers are provided.

Software testing

This document consists of presentation slides on the topic of software testing. It defines relevant keywords and explains testing methodologies. It could form a useful revision resource or comprehension questions could be designed around its contents.

Normalisation of floating point binary numbers

Normalisation of floating point binary numbers is usually a topic where students require practice. This pair of documents explain the technique and then provide a set of questions with answers for independent working.

Floating point binary representation worksheet

A student worksheet with answers covering the topic of floating point binary representation. It contains answers so can be used for independent study.

Binary, decimal, hexadecimal conversion activity

Students always need practice in number system conversion. This resource gives them instant feedback and allows them to progress from conversion to binary addition. This would make an ideal homework activity. the file is a macro enabled worksheet and can be downloaded from the zip file.


Mathematics for A level computer science

This is a great resource for providing underpinning mathematical knowledge for A level computer science. It is broken down into topics so could be used in small sessions to reinforce understanding. Set theory, numbers, cardinality, cartesian product, regular expressions, vectors and dot product, functions and Big O...

The red black mind meld

A fun introduction to algebra within computer science via the medium of a card trick. This resource is part of the CS4FN series from Queen Mary, University of London. The resource consists of an introductory presentation and accompanying activity sheet for students.

Teaching TCP/IP

Using analogies to teach the topic of the TCP/IP networking is often a very useful strategy. This Computing at School community resource consist of three documents. The first provides a theory overview of the communication process. The second provides a range of links and activities, although some are aimed at...

Networks and the internet

Students would find this Computing at School community resource useful as a revision resource for the topics of networks and the internet. It is suitable to be issued as a sequence of homework tasks.

Raspberry Pi recipe card -operating systems

This document introduces students to the Linux operating system by allowing them to learn and use a number of shell commands using a Raspberry Pi computer. Activities allow them to gain an understanding of how resources are managed and levels of access controlled.


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