28 Questions
What is the primary function of the computer system being designed?
Video rendering
During the video rendering process, what happens to the separate video elements?
They are merged together
What is the term used to describe the process of combining separate video elements into a single video?
Video exporting
What is the main purpose of the CPU being designed?
To render video efficiently
What is the result of the video rendering process?
A single, final video
What is the context in which the CPU is being designed?
Computer system for video rendering
What is the order of operations in a queue data structure?
First In First Out
What is the purpose of the enqueue() operation in a queue data structure?
To add an element to the end of the queue
What is the purpose of the top variable in a stack data structure?
To point to the last item inserted in the stack
What is the purpose of the pop() operation in a stack data structure?
To remove an element from the top of the stack
What is the purpose of the reverse function using a stack?
To reverse the order of a string
What is the primary function of RAM in a computer system?
To provide temporary storage for data
What is meant by the term 'virtual memory'?
A combination of RAM and HDD space
What is a primary reason why a programmer would prefer to use hexadecimal numbers over binary numbers?
Hexadecimal numbers are more compact and easier to read and write
Why would a programmer prefer hexadecimal numbers in a debugging scenario?
Because they are easier to read and understand
Why might Zac need to install a LAN in his office?
To allow staff to work together and share resources
What type of switching does a LAN use?
Packet switching
What is the minimum number of bits required to represent the denary value 6.25 as a floating-point binary number?
20 bits
Why would a programmer use two's complement representation for the mantissa and exponent?
To reduce the number of bits required
How much storage is available on the computer's HDD?
500 GB
What is the primary benefit of using as few bits as possible when representing a floating-point number?
It reduces the memory usage
How many staff members can Zac's office accommodate?
5
What is OCR's approach to reproducing third-party content?
OCR seeks permission to reproduce all third-party content
Where can the OCR Copyright Acknowledgements Booklet be found?
On the OCR website after the live examination series
What is the purpose of the OCR Copyright Acknowledgements Booklet?
To acknowledge and clear copyright permissions
What happens if OCR fails to correctly acknowledge or clear copyright?
OCR corrects the mistake at the earliest possible opportunity
What is the relationship between OCR and the University of Cambridge?
OCR is part of Cambridge University Press & Assessment
Who should be contacted for queries or further information about OCR's copyright?
The OCR Copyright Team
This is a 1 hour 15 minutes AS Level Computer Science exam paper that tests the candidate's knowledge of computing principles. The exam consists of various questions that assess the candidate's understanding of computer science concepts.
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