AS Level Computer Science Exam: Computing Principles

What is the primary function of the computer system being designed?

Video rendering (correct)
Data compression
Image processing
Video editing

During the video rendering process, what happens to the separate video elements?

They are stored separately
They are merged together (correct)
They are discarded
They are duplicated

What is the term used to describe the process of combining separate video elements into a single video?

Video compression
Video rendering
Video encoding
Video exporting (correct)

What is the main purpose of the CPU being designed?

To render video efficiently (B) Signup and view all the answers

What is the result of the video rendering process?

A single, final video (A) Signup and view all the answers

What is the context in which the CPU is being designed?

Computer system for video rendering (B) Signup and view all the answers

What is the order of operations in a queue data structure?

First In First Out (D) Signup and view all the answers

What is the purpose of the enqueue() operation in a queue data structure?

To add an element to the end of the queue (D) Signup and view all the answers

What is the purpose of the top variable in a stack data structure?

To point to the last item inserted in the stack (C) Signup and view all the answers

What is the purpose of the pop() operation in a stack data structure?

To remove an element from the top of the stack (D) Signup and view all the answers

What is the purpose of the reverse function using a stack?

To reverse the order of a string (A) Signup and view all the answers

What is the primary function of RAM in a computer system?

To provide temporary storage for data (B) Signup and view all the answers

What is meant by the term 'virtual memory'?

A combination of RAM and HDD space (A) Signup and view all the answers

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 (B) Signup and view all the answers

Why would a programmer prefer hexadecimal numbers in a debugging scenario?

Because they are easier to read and understand (D) Signup and view all the answers

Why might Zac need to install a LAN in his office?

To allow staff to work together and share resources (A) Signup and view all the answers

What type of switching does a LAN use?

Packet switching (D) Signup and view all the answers

What is the minimum number of bits required to represent the denary value 6.25 as a floating-point binary number?

20 bits (C) Signup and view all the answers

Why would a programmer use two's complement representation for the mantissa and exponent?

To reduce the number of bits required (A) Signup and view all the answers

How much storage is available on the computer's HDD?

500 GB (A) Signup and view all the answers

What is the primary benefit of using as few bits as possible when representing a floating-point number?

It reduces the memory usage (C) Signup and view all the answers

How many staff members can Zac's office accommodate?

5 (C) Signup and view all the answers

What is OCR's approach to reproducing third-party content?

OCR seeks permission to reproduce all third-party content (A) Signup and view all the answers

Where can the OCR Copyright Acknowledgements Booklet be found?

On the OCR website after the live examination series (C) Signup and view all the answers

What is the purpose of the OCR Copyright Acknowledgements Booklet?

To acknowledge and clear copyright permissions (C) Signup and view all the answers

What happens if OCR fails to correctly acknowledge or clear copyright?

OCR corrects the mistake at the earliest possible opportunity (B) Signup and view all the answers

What is the relationship between OCR and the University of Cambridge?

OCR is part of Cambridge University Press & Assessment (A) Signup and view all the answers

Who should be contacted for queries or further information about OCR's copyright?

The OCR Copyright Team (C) Signup and view all the answers