Copy of Year 9 Computing Assessment 1 Winter 2025 - Topics 9.1 and 9.2 (12/4/2025) - Tiffani Norris | Library

Instructions

Required

1

What is binary for?

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3

Add in the base number system for each form of data representation. This will require you to put a number into each box.

Binary: Base _______ 
Denary: Base _______ 
Hexadecimal: Base _______ 

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7

Place the following data sizes in order, from smallest at the top to largest at the bottom.

Nibble
Bit
Terabtye
Megabyte
Byte
Gigabyte
Kilobyte

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2

How many bits are there in a nibble and a byte?

Nibble: _______     Byte: _______ 

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1

Work out the answer to this binary addition sum by placing the correct digit in each box. You will need to get all the carry and all the answer boxes correct to get the point

Other Answer Choices:

0

1

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1

When the answer to a binary addition has too many digits, this is called an....

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1

What is the purpose of 'ASCII'?

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1

Which of these text representation systems can represent the most characters?

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2

The number of bits used to identify each colour in a bitmap
_________________ 
The number of pixels that make up an image. Measured by calculating image width x height _______________ 

Other Answer Choices:

Resolution

colour depth

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4

Explain how resolution and colour depth can affect the quality and file size of an image.

NOTE: There are 4 marks available for this question. You will need to be able to identify 1 impact on quality and 1 on file size, and for each you need to explain what the impact is.

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1

What is the main purpose of hexadecimal?

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What would the hexadecimal value be for the denary number "12"?  _______ 

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2

What term describes reducing the size of a file by removing or reducing the data stored within it?

_______ 
  
NOTE: You are being tested on your spelling of a key term - please ensure that spelling is accurate to get the point! If you are unsure, ask your teacher to check before you submit.

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1

Why would removing / reducing data in an image be helpful?

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1

Which format for removing/reducing data in a file is permanent?

__________

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5

Which type of compression is used for which type of file?

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1

When capturing a sound wave to record it to digital format, the frequency that the captures are taken is called the...?

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3

____________________in a sound recording means a __________accurate and therefore a better quality recording 

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8

Draggable item		Corresponding Item

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1

What is the name of the programming language that you have used to create your programs?

_______ 

If you are unsure on spelling please check with your teacher first! They can tell you if the word is incorrect but cannot tell you the correct spelling.

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2

Writing code tells the computer to perform instructions. The instructions are called _____________. Specific named actions that are performed are called ______________.

Other Answer Choices:

calls

controls

functions

commands

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1

What technical word describes 'running' a function? _________ 

Other Answer Choices:

call

command

charge

control

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1

When using a function you need to use which type of brackets?

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1

The rules that control the structure of the symbols, punctuation, and words of a programming language

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1

What is named data called, where the data is held in memory but may change during the course of the program?

_______ 

If you are unsure on spelling please check with your teacher first! They can tell you if the word is incorrect but cannot tell you the correct spelling.

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1

The string data type is written within quotation marks

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1

What is a sequence?

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1

What is meant by iteration?

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2

Iteration allows us to simplify our algorithm by stating that we will repeat certain steps until told otherwise. This makes designing algorithms quicker and simpler because they don’t have to include lots of unnecessary steps. Iteration is often called _______  or a _______ .

See the hint for a clue on the words. If you are unsure on spelling please check with your teacher first! They can tell you if the word is incorrect but cannot tell you the correct spelling.

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1

What is the function used in Python that performs count-controlled iteration?

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1

Turtle is a what within Python?

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3

Which Turtle instruction performs which action?

Draggable item		Corresponding Item
for i in range(4): turtle.forward(100) turtle.right(90)
turtle.forward(150) turtle.left(90)
for i in range(3): turtle.forward(100) turtle.right(120)

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What action will the following instruction perform?

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3

Write the code required below to demonstrate how to create an pentagon (5 sides) using iteration, where each side is 50 units long.

Use your answers to the previous few questions to guide you. You should have 4 or more lines of code depending on your approach. Check the hints for more advice if you need.

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	Lossy	Lossless
Pictures
Sounds
Videos
Program files
Documents

Draggable item		Corresponding Item
Computational thinking		A method of solving a problem logically – to think and act like a computer
Debugging		The instructions or steps required to solve a problem and program the actions a computer takes
Abstraction		Breaking an algorithm into smaller, more manageable parts
Pattern recognition		Focusing on what is important, ignoring or removing any detail that is not necessary to the core algorithm
Pseudocode		Looking for similarities and trends in computer programs and algorithms
Decomposition		Shows the flow and direction of the steps of an algorithm in a visual way
Algorithm		Shows each step of an algorithm in a clearly ordered, written structure using a generic standard format - which can then be written into any programming language
Flow chart		The act of finding and fixing bugs (errors) in your program

Copy of Year 9 Computing Assessment 1 Winter 2025 - Topics 9.1 and 9.2 (12/4/2025)

Copy of Year 9 Computing Assessment 1 Winter 2025 - Topics 9.1 and 9.2 (12/4/2025)

What is binary for?

Place the following data sizes in order, from smallest at the top to largest at the bottom.

When the answer to a binary addition has too many digits, this is called an....

What is the purpose of 'ASCII'?

Which of these text representation systems can represent the most characters?

Explain how resolution and colour depth can affect the quality and file size of an image.NOTE: There are 4 marks available for this question. You will need to be able to identify 1 impact on quality and 1 on file size, and for each you need to explain what the impact is.

What is the main purpose of hexadecimal?

Why would removing / reducing data in an image be helpful?

Which type of compression is used for which type of file?

When capturing a sound wave to record it to digital format, the frequency that the captures are taken is called the...?

When using a function you need to use which type of brackets?

The rules that control the structure of the symbols, punctuation, and words of a programming language

The string data type is written within quotation marks

What is a sequence?

What is meant by iteration?

What is the function used in Python that performs count-controlled iteration?

Turtle is a what within Python?

Which Turtle instruction performs which action?

What action will the following instruction perform?

What is binary for?

Place the following data sizes in order, from smallest at the top to largest at the bottom.

When the answer to a binary addition has too many digits, this is called an....

What is the purpose of 'ASCII'?

Which of these text representation systems can represent the most characters?

Explain how resolution and colour depth can affect the quality and file size of an image.NOTE: There are 4 marks available for this question. You will need to be able to identify 1 impact on quality and 1 on file size, and for each you need to explain what the impact is.

What is the main purpose of hexadecimal?

Why would removing / reducing data in an image be helpful?

Which type of compression is used for which type of file?

When capturing a sound wave to record it to digital format, the frequency that the captures are taken is called the...?

Match all of these terms to their correct definitions

When using a function you need to use which type of brackets?

The rules that control the structure of the symbols, punctuation, and words of a programming language

The string data type is written within quotation marks

What is a sequence?

What is meant by iteration?

What is the function used in Python that performs count-controlled iteration?

Turtle is a what within Python?

Which Turtle instruction performs which action?

What action will the following instruction perform?

Explain how resolution and colour depth can affect the quality and file size of an image.

NOTE: There are 4 marks available for this question. You will need to be able to identify 1 impact on quality and 1 on file size, and for each you need to explain what the impact is.

Explain how resolution and colour depth can affect the quality and file size of an image.

NOTE: There are 4 marks available for this question. You will need to be able to identify 1 impact on quality and 1 on file size, and for each you need to explain what the impact is.