GCSE OCR J277 Data Representation

Question 1

What does 'def' do in a Python program ?

Accepted Answer

Define a function

Question 2

A while loop executes. . .

Accepted Answer

As long as a certain condition is true.

Question 3

What is the maximum number of values that can be represented in 7 bits?

Accepted Answer

128

Question 4

What numeric base does Binary operate on?

Accepted Answer

2

Question 5

In Maths we use the Base 10 (Denary or Decimal) system

Accepted Answer

True

Question 6

How many bits are used in ASCII?

Accepted Answer

8

Question 7

ASCII can represent more characters than Unicode?

Accepted Answer

False

Question 8

What is the Binary representation of 17?

Accepted Answer

10001

Question 9

What is the Denary representation of the Binary number: 11010101?

Accepted Answer

213

Question 10

What is the Denary representation of the Binary number: 1001111?

Accepted Answer

79

Question 11

Which data type has only 2 possible values?

Accepted Answer

Boolean

Question 12

A character set is the...

Accepted Answer

Possible characters that can be used in a computer system

Question 13

What is the maximum number of bits needed to represent 15 in Binary?

Accepted Answer

4

Question 14

What is concatenation?

Accepted Answer

Joining two strings together with the + symbol

Question 15

ASCII Stands for

Accepted Answer

American Standard Code for Information Interchange

Question 16

What operator is used in Python to get a remainder of a division ?

Accepted Answer

%

Question 17

What does 
 do in python?

Accepted Answer

A new line in a string

Question 18

What is sequence (in terms of programming fundamentals)?

Accepted Answer

Code in which the order is important.

Question 19

What is the equality operator in Python ?

Accepted Answer

==

Question 20

When is a conditional loop used?

Accepted Answer

When the amount of times the loop will happen is unknown

Question 21

Which of these are INPUT devices?

Accepted Answer

Mouse, Keyboard

Question 22

What is the Binary representation of 32?

Accepted Answer

100000

Question 23

Which is not a built in function in python?

Accepted Answer

randint()

Question 24

Is this ("7") an integer or a string?

Accepted Answer

A string

Question 25

Why do we use the Binary number system in Computing?

Accepted Answer

To represent the two different states of transistors

Question 26

RAM stands for?

Accepted Answer

Random Access Memory

Question 27

How many bits are there in a byte?

Accepted Answer

8

Question 28

What does the RANGE function do?

Accepted Answer

Show how many times to repeat the loop

Question 29

What is the Hex number 6B in Binary?

Accepted Answer

01101011

Question 30

What is the maximum number of values that can be represented in 8 bits?

Accepted Answer

256

Question 31

What Language do we use for Coding in CS Lessons?

Accepted Answer

Python

Question 32

Upper and lower case letters have a different ASCII code?

Accepted Answer

True

Question 33

How many Bits are used in Unicode?

Accepted Answer

16, 32

Question 34

How many bytes are there in a Terabyte?

Accepted Answer

1024 Gigabytes

Question 35

Which data type would you use to store pi?

Accepted Answer

Float

Question 36

how do you make a string a integer?

Accepted Answer

int(string)

Question 37

The ASCII is capable of representing non-European languages.

Accepted Answer

False

Question 38

What does this Python command do?

Accepted Answer

It prints to the screen whatever is in the brackets

Question 39

In programming, what is iteration?

Accepted Answer

Code repeats until a stopping condition is met

Question 40

CPU stands for ...

Accepted Answer

central processing unit

GCSE OCR J277 Data Representation

Questions 40

GCSE OCR J277 Data Representation

Questions 40