7 questions written in Edexcel style pseudocode. Questions cover tracing output, identifying common logic errors in algorithms, and making corrections. Separate answer sheet included. Fully editable resource.

Two worksheets covering negative binary numbers in sign & magnitude and two’s complement representations. Each worksheet has a separate answer key. Fully editable resource.

KS3 / GCSE Computer Science "Spot the mistakes" task for the Hardware and Software topics. Students must read a short piece of text and identify the mistakes. Handy to check understanding as a starter or plenary. Covers the basics of input, output, storage, and types of software. One PowerPoint contains the two questions, each with the plain text, a slide highlighting the mistakes, and a slide showing the correct answers. This is useful for displaying on a projector. The second PowerPoint includes just the questions and is useful for students working independently with the resource on a VLE. Fully editable resource.

A fill-in-the-gaps activity for students to improve their understanding of computer system components. Students must complete the tree diagram, which includes hardware (input, output, storage, and processing) and software (application software and operating systems). Useful as a lesson plenary or an end of topic summary. Suitable for KS3 or GCSE Computer Science. Fully editable resource. Includes tree diagram with gaps and the solution.

Full lesson - end of basic hardware unit. Starter is a recap of previous hardware concepts. The main lesson activity covers the advantages and disadvantages of cloud storage. The final activity / homework activity is an assessment task. Pupils must select a suitable computer specification for each of five scenarios, designed to test their understanding from earlier in the unit. Guidance for assessment is given. Fully editable resource.

Crosswords for GCSE Computer Science topic ‘binary’, also suitable for years 8 and 9. Answer key included. Printable PDF. Great for starters and plenaries. A pack containing crosswords and answers for 13 Computer Science topics is available on TES: Hardware Software Binary (answers in binary only) Binary inc negatives (answers in binary only) Binary and Hexadecimal Data representation CPU architecture Programming languages Networks The Internet Network security Algorithms Programming

Three Boolean logic worksheets with exam style questions on logic statements and truth tables. 22 questions in total. The worksheets cover AND, OR, and NOT gates. Answer sheets included. Fully editable. Good for homework assignments.

Practical lesson on low level languages, focusing on assembly language. The bulk of the lesson is practical programming exercises using the Little Man Computer (LMC). By comparing their existing knowledge of a high level language with these assembly language programming tasks, pupils should be able to grasp the differences between the two types of programming language. The plenary reinforces these differences. Includes a worked example, 6 differentiated assembly language program activities, an instruction set help sheet, a short lesson plenary, and a longer version that can be used as homework (both with answers). Fully editable resource.

Full lesson - Introduction to representing negative numbers in binary. This lesson recaps binary representation and then introduces negative numbers. To aid understanding of two’s complement, binary addition is also covered. Both sign and magnitude and two’s complement are covered, with worked examples, exercises, and an explanation of the problems with sign and magnitude notation. Includes teacher’s PowerPoint, activities, and homework (with solutions). Fully editable resource.

Crosswords for GCSE Computer Science topic Networks. Answer key included. Printable PDF. Great for starters and plenaries. A pack containing crosswords and answers for 13 Computer Science topics is available on TES: Hardware Software Binary (answers in binary only) Binary inc negatives (answers in binary only) Binary and Hexadecimal Data representation CPU architecture Programming languages Networks The Internet Network security Algorithms Programming

Full lesson - secondary storage devices including starter, teacher’s PowerPoint, worksheet, plenary task, and homework task. Following on from lesson 3, this lesson covers the difference between primary and secondary storage, and the different types of secondary storage device. Fully editable resource.

Binary number line for classroom displays, suitable for GCSE, A-Level, or IB Computer Science. Download includes: Binary, hex, and denary values from 0 to 20 Binary and denary values from 0 to -20 (sign and magnitude) Binary and denary values from 0 to -20(two’s complement) Binary and denary values from 0 to -20(both systems on the same line) For clarity, hexadecimal values are not shown for negative numbers. Each set of numbers is on an A3 sized sheet that can be printed as A4 if required.

64 Python programming exercises ranging from “Hello World” style first programs to file reading and writing. Many tasks also have extension (“bonus”) sections to stretch pupils. Exercises are sorted into sections by the skills needed to complete them (conditionals, loops, arrays, etc). A good resource for homework, extension tasks, and independent learning. Fully editable resource, ready for printing or online use. Topics covered: Basic input and output Conditionals Loops (while and for) Strings Lists Subroutines and functions File reading and writing Some of the exercises in this document require sample code for students to edit: this code is provided in the download. The exercises in this resource can be completed in any programming language, but some of the phrasing in the questions is specific to Python. There is also a Java version of this resource available.

Banned Words is similar to the games Taboo ™ or Forbidden Words ™. Students must get their teammates to guess key words by giving a definition without using certainly banned words. Great for improving language and explanation skills, and for ESL pupils. This game works well for starters and plenaries. This fully editable Banned Words PowerPoint contains terms covering Hardware topic. You can also download this resource as part of a pack covering 185 terms and 6 topics (see below). This electronic version of the game saves printing and laminating cards. The presentation can be shown to a student on the teacher’s computer. When the presentation is run, key terms will be selected in a random order until each one has been used exactly once. A blank template is included to create your own games based on your chosen topics. Notes: The random-slide function will ensure each slide is selected exactly once. For the random-slide functionality to work you must: Enable Macros when opening the presentation Click the blue arrows to change slide (not the cursor keys on the keyboard)

End of unit Computer Science test covering binary, hexadecimal, number conversion, and binary arithmetic. Editable. 25 mark test. Answers included. Suitable for year 9, GCSE, and above.

64 Java programming exercises ranging from “Hello World” style first programs to file reading and writing. Many tasks also have extension (“bonus”) sections to stretch pupils. Exercises are sorted into sections by the skills needed to complete them (conditionals, loops, arrays, etc). A good resource for homework, extension tasks, and independent learning. Fully editable resource, ready for printing or online use. Topics covered: Basic input and output Conditionals Loops (while and for) Strings Lists and ArrayLists Methods File reading and writing Some of the exercises in this document require sample code for students to edit: this code is provided in the download. The exercises in this resource can be completed in any programming language, but some of the phrasing in the questions is specific to Java. There is also a Python version of this resource available.