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Worksheets

Key Words

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is a bit?

a)

Two Nybbles

b)

A Byte

c)

One bit

d)

A single binary digit

2.

What is an overflow error?

a)

Coffee is spilt on your laptop

b)

The results of a calculation contains more bits than are allocated in memory

c)

Too many bytes for memory to handle

d)

CPU has gone into 'overclock' mode

3.

Why are overflow errors bad? Select all that apply.

a)

Bits are lost

b)

Data inaccuracy

c)

Causes overheating of the GPU

d)

It can cause programs to malfunction

4.

'A table of text characters which are assigned a unique binary number'


Best describes what?

a)

Keyboards

b)

FANTASCII

c)

Character set

d)

Character tree

5.

Denary is base...

a)

2

b)

6

c)

10

d)

16

6.

A byte is...

a)

0s and 1s

b)

A Nybble

c)

Eight binary digits

d)

long

7.

What is an algorithm?

a)

A mathematical equation used to decipher enigmas

b)

A process to find an answer

c)

A set of Instructions used to complete a task or solve a problem

d)

A Marvel villain

8.

What sorting algorithm does the following best describe...


Elements in a list are compared to the next element and swapped if they are in the wrong order.


Passes continue through the list, repeating until the list is sorted.

a)

Quick Sort

b)

Bubble Sort

c)

Jump Sort

d)

Insertion Sort

9.

What sorting algorithm does the following best describe...


A sorting algorithm that compares values in turn.


Index 0 is ‘sorted’ and the rest is ‘unsorted’


The first unsorted element is compared to the number to the left of it until placed in the correct position in the ‘sorted’ list.

a)

Bubble Sort

b)

Valkyrie Sort

c)

Insertion Sort

d)

Merge Sort

10.

Which one of these is a base 16 number system?

a)

Binary

b)

Denary

c)

Hexadecimal

d)

Octodecimal