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A Level OCR

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Unit 6: Data types

Component 01

Unplugged Unit
Perfect for lessons away from computers or workshops.
6

Inside the Unit...

Download Free Sample 4.6mb

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 above
  • 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...

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I have found the quality and accuracy of the resources to be high, and if/when I email them with a query, I get a sensible answer back in a timely manner

Marie Shaw. Teacher of A-Level Computer Science, Queen Mary's College

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I'm almost tempted to buy your [A Level] resources but we don't have a 6th form! They look good!

Kieren Reynolds. CAS Master teacher and teacher, Henry Beaufort School

Relevant Textbooks

Inside the Unit...

  • Download Free Sample 4.6mb

    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 above
    • 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.

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