Y9 Progress Check 9.1

Variables, data types and binary

First Name: *

Your answer

Last Name *

Your answer

Class: *

What Python Programming Challenge are you currently on? *

Your answer

What does IDE stand for?

1 point

Independent Development Entries

Integrated Document Encoding

Integrated Development Environment

Integer Design Encoding

Industrially Designed Encryption

Not sure

In 1991 Guido van Rossum created the Python programming language. Why did he call it Python?

1 point

He was frightened of snakes

He loved snakes

The first thing he wrote in Python was the game Snake

He was a fan of Monty Python

His son is called Python Van Rossum

Not sure

Which description best describes a variable?

1 point

A location to store numbers for calculations

A location in memory that stores a value that can change as the program is running

A location in memory that can store complicated strings

A Boolean value

A location to store Python functions

Not sure

Which data type would be most appropriate if you were assigning the following information to a variable?

5 points

String

Integer

Float

Boolean

Name

Age (Years)

Postcode

Student (Y/N)

Height (Meters)

Select the lines of code that will not cause a syntax error?

1 point

Print("Hello, World!")

print ( "Hello, World!" )

print(Hello World)

print("Hello, World")

prnt("Hello, World")

Not sure

If number = 2 and fruit = "apples", what would these print() functions output?

5 points

2 apples

Error

number, fruit

applesapples

print(number+apples)

print(number,fruit)

print(number*fruit)

print(number+fruit)

print("number, fruit")

What will this code output when it is run?

1 point

2 1

1 2

1 1

2 2

It won't run

Not sure

With variables, readability is very important. Which of the following is easiest to read? They are all valid variable names.

1 point

total_number_of_zebras_in_the_jungle

TotalNumberOfZebrasInTheJungle

totalnumberofzebrasinthejungle

TOTALNUMBEROFZEBRASINTHEJUNGLE

ToTalNuMbErOfZebraSInTheJuNglE

Not sure

What data type is my_variable when this code is run?

1 point

String

Integer

Float

Boolean

Not sure

Which line(s) of code will successfully calculate the area of a triangle of base (b) and height (h)?

1 point

area = 0.5 * b * h

area = 1 / 2 x b x h

area = 1/2 * b * h

area = (b*h)/2

area = b x h divided by 2

Not sure

In the question above, what data type will the variable 'area' be if the correct code is used?

1 point

String

Integer

Float

Boolean

Not sure

What data type is my_variable when this code is run?

1 point

String

Integer

Float

Boolean

Not sure

What is the smallest unit of information that a computer can store?

1 point

Microbit

Bit

Nibble

Byte

MegaByte

Not sure

What are 8 Bits called?

1 point

Nanobit

Microbit

Nibble

Byte

MegaByte

Not sure

How many Bits in a Nibble?

1 point

Not sure

What is 13 in 4 bit binary?

1 point

1111

0111

1101

1011

1110

Not sure

What is 99 in 8 bit binary?

1 point

01111011

10101010

01101011

01100011

00000001

Not sure

Binary addition: What is 1010 + 0101 ?

1 point

0000

1001

0110

1111

1100

Not sure

Binary addition: What is 1100 + 1101 ?

1 point

1100

11001

01010

1010

Not sure

Fill in the blank: Computers count in binary as they are made up of millions of _______ that can either be off or on, this is represented as a 0 or a 1.

1 point

Your answer

Fill in the blank: If a computer is expecting an 8-bit answer but gets a nine-bit answer, this will cause an _________ error.

1 point

Your answer

What time does 0011 . 1111 in denary represent?

1 point

Your answer

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