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Duplicate of Algorithms & Data types (Year 10 Consolidation) Flashcards | StudBud
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Duplicate of Algorithms & Data types (Year 10 Consolidation)
Duplicate of Algorithms & Data types (Year 10 Consolidation)
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Computing concepts
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Answers
1
Which of the following statements is correct?
Fixed values are dependent on the user.
Fixed values are assigned by the program.
2
What is pseudocode used for?
To help the computer understand what you are trying to do
To program every piece of software
To plan algorithms using a specific programming language
To plan algorithms using plain English
3
What is a global variable?
A variable that can be accessed by many programs
A variable that can only be accessed in a procedure / sub
A variable that can be accessed from any point in a program
4
What shape represents a process in a flowchart?
Rectangle
Oval
Diamond
Dodecahedron
5
In computing terms, what is the difference between the data values 2 and "2"?
The speech mark thingies?
There is no difference, they are both characters
2 is an integer, "2" is a boolean
2 is an integer, "2" is a character or string
6
In terms of data values, what are characters?
Letters
Letters, digits and punctuation marks
Numbers
Letters and punctuation marks
7
What is a boolean?
A data type that holds characters
A data type that holds decimal numbers
A data type that can hold true or false
A data type that holds whole numbers
8
Where are algorithms used?
Many different areas where instruction sets are needed
Algorithms are only used by computers
Algorithms are only used in planning
9
When is an expression used?
To debug a program
To create an algorithm
In a statement when working with values
To let people know how you feel
10
What is a bubble sort?
An algorithm that sorts list of numbers only
An algorithm that finds the lowest number in a list
An algorithm that finds the highest number in a list
An algorithm that sorts data into the required order
11
What shape represents a decision in a flowchart?
Rhombus
Parallelogram
Diamond
Rectangle
12
What is an algorithm?
A hardware device that stores data
Step by step instructions to solve a task
A set of instructions
Software that analyses data
13
What is syntax?
A very long program
The structure used to create a flowchart
A way to plan algorithms in plain English
A set of rules about how to use a programming language
14
What happens if you type a statement incorrectly into a programming language?
The program will correct it
You feel a but silly
Nothing will happen
You will get a syntax error
15
What is a declaration?
The process of assigning a name to a variable or constant
Giving a value to a variable
The process of assigning a constant only
The process of assigning a variable only
16
Which of the following does not generate data values that a program can use?
Mouse click
Keyboard
Hard copy from a printer
Microphone
17
What is a variable?
Data that is always changing
Data that is produced by a computer, that cannot be changed
Data stored in a memory location, that cannot be changed
Data stored in a memory location, that can be changed
18
What is a variable?
A data value that changes
A number
The weather forecast
A place in memory that holds a data value that changes
19
If we add the two real numbers 3.2 and 4.8, what is the result?
8
"8"
'8'
8.0
20
What is a string?
A type of variable that hold characters
A data type that holds true or false
A variable datatype that holds a sequence of characters
A data type that holds letters
