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Data in computers
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Representing Data
| Unit 1 |
Activity 8 |
Time:
160
minutes
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Description
Students will examine how data is represented in a computer. Representing
decimal numbers as binary and hexadecimal numbers, simple addition and
subtraction, and the ASCII and Unicode systems will be examined.
Strand(s) & Learning
Expectations
Strand(s):
A. Programming Concepts
and Skills
B. Software Development
C. Computer Environments and Systems
D. Topics
in Computer Science
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Overall Expectations
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| A1. |
demonstrate the ability to use different data types, including
one-dimensional arrays, in computer programs; |
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Specific Expectations
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| A1.2 |
demonstrate an understanding of how a computer uses various
systems (e.g., binary, hexadecimal, ASCII, Unicode) to
internally represent data and store information; |
Prior Knowledge &
Skills
Students
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understand how to search the Web.
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have keyboarding skills and experience using a
mouse;
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have knowledge of how to double click, select
program icons, and scroll in the windows screen.
Planning Notes
- Have Intel video The
Journey Inside: The Computer (3rd edition) available. See resources below.
Teaching/Learning
Strategies
Assessment & Evaluation of Student Learning
As Learning
Students will be given time to:
- reflect on their progress/
understanding/areas of concern
based on teacher/student/peer
suggestions (e.g. after test take up)
- journalize their reflections
- reflect on the work of others
For Learning
The teacher will
- observe student progress/performance
- ask questions based on student work
- check homework correctness/completion when appropriate
- review formative quiz results
Of Learning
- formative evaluation
by listening to students use the terminology in this activity
- summative activity on binary
conversions. (Appendix 1.8.1)
- summative evaluation
(format) (Appendix 1.8.2)
Accommodations
- print out copies of
the vocabulary for students
Resources
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