AQA Computer Science [AS Level]

AQA Computer Science [AS Level]

12th Grade

63 Qs

quiz-placeholder

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AQA Computer Science [AS Level]

AQA Computer Science [AS Level]

Assessment

Quiz

Computers

12th Grade

Practice Problem

Medium

Created by

Sam Knott

Used 248+ times

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63 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is Nyquist's Theorem?

e = mc2

file size = sample res * sample rate

fs > 2fmax

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

This is an example of what?

Sequence

Selection

Iteration

Declaration

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Abstraction is the act of...

Adding extra detail to enable someone else to be able to solve the task without your help

Removing the detail that is important to solve the task

Removing all unnecessary detail to focus on what is important to solve the task

Creating an image that is similar to the object in question in some abstract way

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of the following command words would be used to create 'count controlled' iteration?

continue

repeat

while

for

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of the following is variable declaration?

myVariable = "Hello"

"Hello" = myVariable

int myVariable

string = "Hello"

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Why would you use a named constant?

To ensure that the value cannot be changed by the program

To ensure that the value is always there throughout the program

To enable the programmer to know what the value is at any time

To allow the programmer to only need to make a change one place

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which if the following command words allows the use of 'indefinite iteration'?

repeat

while

for

if

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