A Level Computer Science Quiz

A Level Computer Science Quiz

35 Qs

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A Level Computer Science Quiz

A Level Computer Science Quiz

Assessment

Quiz

Computers

Practice Problem

Medium

Created by

Alexander Fraser

Used 5+ times

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35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between a stack and a queue in data structures?

A stack and a queue both follow the First In First Out (FIFO) principle.

A stack and a queue both follow the Last In First Out (LIFO) principle.

A stack follows the Last In First Out (LIFO) principle, while a queue follows the First In First Out (FIFO) principle.

A stack follows the First In First Out (FIFO) principle, while a queue follows the Last In First Out (LIFO) principle.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the Von Neumann architecture and its components.

The Von Neumann architecture consists of the CPU, GPU, and the control unit.

The Von Neumann architecture consists of the monitor, keyboard, and mouse.

The Von Neumann architecture consists of the RAM, ROM, and cache memory.

The Von Neumann architecture consists of the CPU, memory, input/output devices, and the control unit.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the different data types in programming languages? Provide examples for each type.

dog, cat, bird, fish, rabbit

apple, banana, orange, grape, watermelon

red, blue, green, yellow, purple

integer, float, string, boolean, array

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify the boolean expression: (A ^ B) V (A ^ ¬B)

A V B

A ^ ¬B

A

A ^ B

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a primary key in a database and why is it important?

A primary key is a secondary identifier for each record in a database table. It is important because it is used for backup purposes.

A primary key is a unique identifier for each record in a database table. It is important because it ensures that each record can be uniquely identified and retrieved.

A primary key is a field that can have duplicate values in a database table. It is important because it helps in organizing the data.

A primary key is a random number assigned to each record in a database table. It is important because it helps in sorting the records.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the concept of linked lists in data structures.

Linked lists are a type of graph data structure

Linked lists are a linear data structure where elements are stored in nodes. Each node contains a data and a reference to the next node in the sequence.

Linked lists can only store integers

Linked lists do not have a specific order for the elements

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Describe the role of the ALU in computer architecture.

Manages the computer's memory

Controls the input and output devices

Performs arithmetic and logical operations

Monitors the temperature of the CPU

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