A Level OCR

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Unit 6: Data types

Component 01

 
6

Inside the Unit...

Areas Covered

This unit consists of five topics, each more substantial than a single lesson and intended to be covered over the course of a week.

  • Topic 1: Data types, binary and hexadecimal
  • Topic 2: ASCII and Unicode
  • Topic 3: Binary arithmetic
  • Topic 4: Floating point arithmetic
  • Download free sample below
  • Topic 5: Bitwise manipulation and masks
  • End of unit assessment

There are five worksheets, five homework tasks, and an examination-style assessment test, each with answers included in this unit.

Summary

This unit covers the representation of data in Section 1.4.1 of the 2015 H446 specification. Five topics in this unit cover data representation of numbers and text, binary arithmetic using both fixed point and normalised floating point numbers, bitwise manipulation and masks. Each of the five topics may be spread over more than one lesson, especially if time is spent in the lessons going over homework tasks.  

What's included in the toolkit?

Toolkit

The A Level units have been written to satisfy the specification for Component 1 and Component 2 of the OCR H046/H446 Computer Science AS/A Level. Each unit contains:

  • PowerPoint slides for each topic
  • Detailed lesson plans
  • Learning objectives and outcomes
  • Worksheets and homework activities with answers
  • End-of-unit, exam-style assessment test with answers
  • Other material and links to online resources

What people say...

I'd just like to express my thanks for the material and support. If I had needed to have made my own resources, the results wouldn't have been as good and now I'm happy to tailor and tweak the resources to fit my own teaching and the student's own skills.

Paul Sloane. Head of Computer Science, Lady Manners School

I received your sample copy today and took the opportunity to show it [to my outgoing] A2 students.

They said they liked the Layout and use of colour – compatible with the other textbooks they like, and they quickly found the Edward Snowden and NSA sections and were very engaged in the opposing arguments on each.

I liked the use of pseudo-code.

Juan Alvarez Zafra. Mathematics and Computing Department, St Brendan’s College

Relevant Textbooks

Inside the Unit...

  • Areas Covered

    This unit consists of five topics, each more substantial than a single lesson and intended to be covered over the course of a week.

    • Topic 1: Data types, binary and hexadecimal
    • Topic 2: ASCII and Unicode
    • Topic 3: Binary arithmetic
    • Topic 4: Floating point arithmetic
    • Download free sample below
    • Topic 5: Bitwise manipulation and masks
    • End of unit assessment

    There are five worksheets, five homework tasks, and an examination-style assessment test, each with answers included in this unit.

    Download Free Sample 4.6mb

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