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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 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...

Received a copy of the AS textbook last week. I had it with me at the CAS conference (light reading on the train), several others saw it and we all thought it looks excellent. Thank you.

Laura Greene. Teacher of Computing, Sweyne Park School

PG Online resources are very well planned and easy to use. Inspection copies are also useful as this enables me to make better choices with our limited budgets.

Gillian Broadhead. ACTL Creative and Technical Studies, Ridgewood High 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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