Purpose of Application Software. (2 marks)
Describe the purpose of application software.
Purpose of Application Software. (2 marks) Read More »
AQA (8525)
What is System Software. (2 marks)
Explain what is meant by system software.
What is System Software. (2 marks) Read More »
Interpreting a Truth Table (2 marks)
A B NOT B A AND (NOT B) 0 0 1 a 0 1 0 b 1 0 1 c 1 1 0 d What are the values of a, b, c and d?
Interpreting a Truth Table (2 marks) Read More »
Boolean Expression from a Logic Circuit (3 marks)
Given a logic circuit with two inputs A and B connected to an OR gate, and the output of the OR gate is connected to an AND gate with another input C. Write the Boolean expression that represents this logic circuit.
Boolean Expression from a Logic Circuit (3 marks) Read More »
Hardware and Software Interaction (2 marks)
Explain one way in which hardware and software interact in a computer system.
Hardware and Software Interaction (2 marks) Read More »
Define the term ‘software’. (1 mark)
Define the term ‘software’.
Define the term ‘software’. (1 mark) Read More »
Define the term ‘hardware’. (1 mark)
Define the term ‘hardware’.
Define the term ‘hardware’. (1 mark) Read More »
RLE Frequency/Data Pairs (3 marks)
Convert the bitmap representation “1100011111” into RLE frequency/data pairs.
RLE Frequency/Data Pairs (3 marks) Read More »
Run Length Encoding (5 marks)
Describe how run length encoding (RLE) compresses data and give the RLE representation for the following binary sequence: “0001110011”.
Run Length Encoding (5 marks) Read More »
Why Compress? (2 marks)
Define data compression and explain why it is often necessary to compress data.
Why Compress? (2 marks) Read More »
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