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Welcome to How Computers work. You will develop your understanding of how computers work, communicate and store data.
INTENTION
INTENTION
The intention of this unit is to provide an introduction to the fundamentals of how computers work and process data
IMPLEMENTATION
IMPLEMENTATION
Students cover various questions and information Implementing their knowledge into practical questions and research
IMPACT
IMPACT
The impact of this unit will be measured by the end of unit assessment covering multiple choice questions from the topics we have covered.
Unit Learning Objectives
Bronze
Bronze
· Distinguish between hardware and software
· Give examples of computer hardware and software
· Draw a block diagram showing CPU, input, output and storage devices
· Name different types of permanent storage device
· Suggest appropriate input and output devices for a simple scenario
· Explain what RAM and ROM are used for
· Show how numbers and text can be represented in binary
· Explain the impact of future technologies
Silver
Silver
· Perform simple binary arithmetic
· State strengths and weaknesses of different storage devices
· Describe briefly how data is stored on a CD
Gold
Gold
· Identify input and output devices for more complex scenarios
· Explain how characters are encoded using the ASCII system
· Use an ASCII reference chart to convert a character into binary and its decimal equivalent
Help links and information
Assessment Topics
Assessment for this unit of work is via a 40 question online assessment covering the following topics. Please use this as a PLC and tick list to help you produce your own revision notes and information.
Computer hardware
Input, Output and Storage devices
Computer software
How data is stored on a CD Rom
Suitable storage medium - Memory stick, CD ROMs and hard drives
RAM, ROM and what one stores
CPU and ASCII
How many cycles in 1KHz, 1MHz, 1GHz etc
Moores law
How many bits in a byte, KB, etc
Binary
Binary conversion
Denary conversion
What is ASCII and binary to ASCII
Grade Boundaries
E-
R-
M-
10%
35%
60%
E
R
M
20%
50%
70%
E+
R+
M+
25%
55%
80%
Future Career Opportunities
IT Technician
IT Technician
Average UK Salary £29,000
Skills
Programming
Team work
Working to a deadline
IT Manager
IT Manager
Experienced salary £45,000
Skills
Creating ideas
Communication with clients
Working to a deadline
Cyber Security Technician
Cyber Security Technician
Average UK Salary £29,000
Skills
Communication with clients
Team work
Working to a deadline
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