Year 7 Computing

1. 1.A computer does every job in the same three stages. Which list has them in the right order?

   • a) Process, output, input
   • b) Output, input, process
   • c) Input, process, output
   • d) Input, output, process

2. 2.You type 7 + 5, the computer adds it up, and 12 appears on the screen. Put the three stages in the order they happen.

   • Process
   • Input
   • Output

3. 3.Hardware is a part you can pick up and touch. Software is a set of instructions. Sort each one.

   Groups: Hardware · Software

   • Operating system
   • Painting app
   • Printer
   • Mouse
   • Web browser
   • Monitor

4. 4.Tap the part you would use to type your name.

   Write the number of the part.

5. 5.Tap the system unit — the box that holds the processor and the memory.

   Write the number of the part.

6. 6.On a desktop computer, sort each part by where it lives.

   Groups: Inside the system unit · Outside, plugged in

   • Speaker
   • Scanner
   • Processor
   • Hard disk
   • Keyboard
   • RAM

7. 7.Tap the monitor — the part that shows you what the computer is doing.

   Write the number of the part.

8. 8.Match each part to the job it does.

   • Monitor
   • Keyboard
   • Speaker
   • Mouse
   • Printer

   • Plays sound out loud
   • Puts your work onto paper
   • Lets you type letters and numbers
   • Shows words and pictures on a screen
   • Moves the pointer and clicks

Parts of a computer · Year 7 Computing · www.arenapublications.com/learn

1. 1.A device that carries information back out of the computer to you is called an ______ device. Fill in the missing word.

2. 2.Match each device to what it carries.

   • Microphone
   • Speaker
   • Scanner
   • Printer
   • Keyboard

   • A picture coming out
   • Letters going in
   • Sound going in
   • A picture going in
   • Sound coming out

3. 3.A touchscreen shows you a picture, and you can also tap it to give a command. Which is true of it?

   • a) It is an input device and an output device
   • b) It is only an output device
   • c) It is only an input device
   • d) It is neither, because it has no cable

4. 4.Sort these ones too. Some of them are less obvious than they look.

   Groups: Input device · Output device

   • Webcam
   • Joystick
   • Headphones
   • Projector
   • Light pen
   • Plotter

5. 5.A microphone takes the sound of your voice and sends it into the computer. Which kind of device is it?

   • a) An input device
   • b) An output device
   • c) A storage device
   • d) Neither of those

6. 6.A barcode reader takes the pattern of lines on a packet and sends it into the computer. Which kind of device is it?

   • a) Neither of those
   • b) Both at once
   • c) An input device
   • d) An output device

7. 7.A pair of headphones takes sound out of the computer and carries it to your ears. Which kind of device is it?

   • a) An input device
   • b) Both at once
   • c) An output device
   • d) Neither of those

8. 8.A device that carries information into the computer is called an ______ device. Fill in the missing word.

Input and output devices · Year 7 Computing · www.arenapublications.com/learn

1. 1.Primary memory works directly with the processor. Secondary storage keeps things for later. Sort each one.

   Groups: Primary memory · Secondary storage

   • Hard disk
   • CD
   • RAM
   • Memory card
   • ROM
   • Pen drive

2. 2.Sort each one by whether it still holds your work after the power goes off.

   Groups: Keeps its contents · Loses its contents

   • Memory card
   • Hard disk
   • Pen drive
   • RAM
   • ROM

3. 3.One megabyte is 1024 kilobytes. A photograph is 2 megabytes. How many kilobytes is that?

4. 4.You switch the computer off at the wall. Which memory forgets everything it was holding?

   • a) RAM
   • b) The hard disk
   • c) A memory card
   • d) A pen drive

5. 5.One kilobyte is 1024 bytes. A short note takes 2048 bytes. How many kilobytes is the note?

6. 6.One byte is made of 8 bits. How many bits are there in 5 bytes?

7. 7.Which of these units is the largest?

   • a) Gigabyte
   • b) Megabyte
   • c) Byte
   • d) Kilobyte

8. 8.One byte is made of 8 bits. How many bits are there in 12 bytes?

Storage and memory · Year 7 Computing · www.arenapublications.com/learn

1. 1.Which of these is the ordinary number 9 written in binary?

   • a) 1010
   • b) 1100
   • c) 1001
   • d) 110

2. 2.Write the ordinary number 13 in binary, using only 0s and 1s.

3. 3.Write the ordinary number 12 in binary, using only 0s and 1s.

4. 4.Write the ordinary number 5 in binary, using only 0s and 1s.

5. 5.Work out what each binary number means, then sort it by whether that ordinary number is odd or even.

   Groups: Odd · Even

   • 110
   • 1000
   • 1011
   • 111
   • 101
   • 10

6. 6.Tap the place on the line where the binary number "1010" belongs.

   Mark the line with an X.

7. 7.The binary places are 1, 2, 4, 8 reading from the right. What is the binary number "110" as an ordinary number?

8. 8.How many different values can a single bit hold?

   • a) 1
   • b) 8
   • c) 10
   • d) 2

Bits and binary numbers · Year 7 Computing · www.arenapublications.com/learn

1. 1.A file is saved at "Home/Art/paint.jpg". Starting from the outside, how many folders must you open to reach the file?

   • a) 3
   • b) 1
   • c) 4
   • d) 2

2. 2.In the file name "homework.txt", the part after the dot tells the computer what kind of file it is. Write that part, without the dot.

3. 3.You have forty pictures and thirty pieces of writing loose in one place, and you can never find anything. What is the sensible thing to make?

   • a) One very long file name for every file
   • b) A second copy of every file
   • c) Nothing — long lists are easier to search
   • d) Two folders, and move each file into the right one

4. 4.You rename "story.txt" to "story.jpg" without changing anything inside it. What have you actually changed?

   • a) The file has been deleted
   • b) The file has become a real picture
   • c) Only the name — the writing inside the file is untouched
   • d) The file has become twice as large

5. 5.Match each ending to the kind of file it marks.

   • .txt
   • .jpg
   • .mp3
   • .mp4
   • .html

   • A page written for a web browser
   • A photograph or picture
   • A moving video
   • Plain writing with no formatting
   • A piece of sound

6. 6.A file is saved at "Music/Songs/Old/anthem.mp3". Which folder is the file sitting directly inside?

7. 7.Sort each name by whether it is a file or a folder. A file always ends with a dot and a few letters.

   Groups: File · Folder

   • report.docx
   • Projects
   • Science
   • Downloads
   • photo.jpg
   • song.mp3

8. 8.In the same folder tree, tap the outermost folder — the one that holds everything else.

   Write the number of the part.

Files and folders · Year 7 Computing · www.arenapublications.com/learn

1. 1.An algorithm says: start with 2, then multiply it by 5, then add 1. What number do you end with?

2. 2.Another algorithm says: start with 4, then add 3, then double it. What number do you end with?

3. 3.Some steps just do something. Others ask a question first and go one way or the other. Sort each step.

   Groups: Just does something · Asks a question first

   • If the total is over 20, stop
   • Show the answer on the screen
   • If the box is empty, fill it
   • Double the number
   • If the answer is right, say well done
   • Add 5 to the total

4. 4.Why must every algorithm come to an end?

   • a) Because the screen would run out of room
   • b) Because computers can only hold ten steps at a time
   • c) Because every algorithm must have exactly five steps
   • d) Because a set of steps that never finishes never gives an answer

5. 5.An algorithm says: start with 12, then halve it, then halve it. What number do you end with?

6. 6.An algorithm says: start with 4, then double it, then add 3. What number do you end with?

7. 7.Which of these describes an algorithm best?

   • a) A list of clear steps, in order, that finishes the job
   • b) Another name for the keyboard
   • c) A picture of what a program will look like
   • d) A machine that runs inside the computer

8. 8.Put these steps in the order a computer runs them to add two numbers and show the total.

   • Add the two numbers together
   • Read the two numbers
   • Show the total on the screen

What is an algorithm? · Year 7 Computing · www.arenapublications.com/learn

1. 1.How many arrows come out of a decision symbol?

   • a) 4
   • b) 3
   • c) 1
   • d) 2

2. 2.Which shape marks the beginning and the end of a flowchart? Answer with the name of the shape.

3. 3.A flowchart has a diamond with the question "Is the number more than 10?" written in it. What must be written on the two arrows leaving it?

   • a) Start and Stop
   • b) Two numbers
   • c) Yes on one and No on the other
   • d) Nothing at all

4. 4.Which shape is used in a flowchart when a question has to be asked? Answer with the name of the shape.

5. 5.Which symbol would each of these steps be drawn in?

   Groups: Oval · Parallelogram · Rectangle · Diamond

   • Double the total
   • Read the number
   • Add 5 to the number
   • Stop
   • Is the number more than 20?
   • Print the answer
   • Start
   • Is the total zero?

6. 6.Tap the symbol used when the flowchart has to ask a question and go one of two ways.

   Write the number of the part.

7. 7.Tap the symbol used to read something in or to print something out.

   Write the number of the part.

8. 8.A flowchart reads a number, doubles it and prints the result. Put its steps in the order they are drawn, top to bottom.

   • Read the number
   • Double the number
   • Print the result
   • Stop
   • Start

Flowchart symbols · Year 7 Computing · www.arenapublications.com/learn

1. 1.A flowchart reads a number, doubles it and prints it. Put the boxes in the order they are visited.

   • Stop
   • Read the number
   • Print the result
   • Start
   • Double the number

2. 2.A flowchart reads a number. If the number is less than 5, it prints "Low". If not, it prints "High". The number read is 5. What does the flowchart print?

3. 3.A flowchart reads a number. If the number is more than 10, it prints "Big". If not, it prints "Small". The number read is 15. What does the flowchart print?

4. 4.What would go wrong if one arrow out of a decision diamond led nowhere?

   • a) Nothing — a diamond only ever needs one arrow
   • b) Anyone following that answer would be stuck with no next step
   • c) The other arrow would stop working too
   • d) The flowchart would run twice as fast

5. 5.A flowchart reads a number. If the number is more than 10, it prints "Big". If not, it prints "Small". The number read is 7. What does the flowchart print?

6. 6.A flowchart reads a number. If the number is more than 100, it prints "Over". If not, it prints "Under". The number read is 99. What does the flowchart print?

7. 7.A flowchart reads a number. If the number is more than 20, it prints "Big". If not, it prints "Small". The number read is 4. Which arrow out of the diamond is taken?

   • a) The No arrow
   • b) Both of them
   • c) Neither of them
   • d) The Yes arrow

8. 8.A flowchart reads a number. If the number is equal to 12, it prints "Match". If not, it prints "Different". The number read is 12. What does the flowchart print?

Following a flowchart · Year 7 Computing · www.arenapublications.com/learn

1. 1.Follow this code by hand. What is total at the end?

   total = 0
   for i in range(0, 4):
       total = total + 6

2. 2.A program sets a number to 3. It repeats this 3 times: double the number. What is the number at the end?

3. 3.A program sets a total to 0. It repeats this 3 times: add 8 to the total. What is the total at the end?

   • a) 24
   • b) 3
   • c) 8
   • d) 11

4. 4.A program repeats this 4 times: print 3 stars. How many stars are printed?

5. 5.A program sets a number to 1. It repeats this 4 times: double the number. What is the number at the end?

6. 6.A program sets a number to 2, then doubles it three times over. Put the values the number holds in order, from the start to the end.

   • 2
   • 8
   • 16
   • 4

7. 7.A program sets a total to 100. It repeats this 5 times: take 20 away from the total. What is the total at the end?

8. 8.A program repeats this 6 times: print a star. How many stars are printed?

Repeating with loops · Year 7 Computing · www.arenapublications.com/learn

1. 1.A program says: if the mark is at least 40, print "Pass"; otherwise print "Fail". The mark is 39. What does the program print?

2. 2.Sort each of these statements by whether it is true or false.

   Groups: True · False

   • 7 is equal to 7
   • 5 is less than 2
   • 8 is more than 3
   • 9 is more than 2
   • 4 is more than 4
   • 10 is less than 10

3. 3.A program tests a number and takes one of its two branches. In a single run, how many of the two words does it print?

   • a) It changes each time
   • b) Two
   • c) One
   • d) None

4. 4.A program says: if the mark is at least 40, print "Pass"; otherwise print "Fail". The mark is 40. What does the program print?

5. 5.A program says: if the number is more than 12, print "Over"; otherwise print "Under". The number is 12. What does the program print?

   • a) Nothing at all
   • b) Under
   • c) Over
   • d) Both words

6. 6.Match each condition to the smallest whole number that makes it true.

   • More than 5
   • More than 9
   • At least 3
   • More than 0
   • At least 12

   • 6
   • 10
   • 1
   • 3
   • 12

7. 7.Is 7 more than 10?

   • a) No
   • b) There is no way to tell
   • c) Sometimes
   • d) Yes

8. 8.In a step that says "if this, do that; otherwise do the other", when does the otherwise part run?

   • a) Only when the condition is true
   • b) Only when the condition is false
   • c) Every single time, after the first part
   • d) Never — it is there for decoration

Making decisions in programs · Year 7 Computing · www.arenapublications.com/learn

1. 1.In the line "<b>Arena</b> is a school", which single word will a browser show in bold?

2. 2.Here is a line of HTML: "<p>Hello</p>". Every element has an opening tag and a closing tag. Write the closing tag from that line.

3. 3.Which one of these lines is written correctly, with each element closed inside the one that holds it?

   • a) <b>Hi</i>
   • b) <i>Hi<b>
   • c) <b><i>Hi</i></b>
   • d) <b><i>Hi</b></i>

4. 4.Match each tag to what it makes on the page.

   • <p>
   • <h1>
   • <ul>
   • <li>
   • <b>

   • A paragraph of writing
   • A list with bullet points
   • One single item in a list
   • A large heading
   • Writing in bold

5. 5.Which one of these is a closing tag?

   • a) h1
   • b) <h1
   • c) <h1>
   • d) </h1>

6. 6.You write an opening <b> tag and forget its closing tag altogether. What is a browser most likely to do?

   • a) Add the closing tag for you in your file
   • b) Refuse to show the page at all
   • c) Keep applying that tag to everything after it
   • d) Show the missing tag as words on the page

7. 7.Sort each tag by whether it opens an element or closes one.

   Groups: Opening tag · Closing tag

   • </p>
   • <li>
   • <h1>
   • </li>
   • </h1>
   • <p>

8. 8.Put these three pieces in order so that they make one correct paragraph element.

   • <p>
   • Good morning
   • </p>

Reading HTML tags · Year 7 Computing · www.arenapublications.com/learn