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Unit 1 & 2 - Quiz 1
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Match the definition with the term
4 points
Algorithm
Decomposition
Computer program
Abstraction
A sequence of steps to complete a task
Removing unnecessary detail from a problem
An implementation of an algorithm
Breaking a problem into smaller pieces
Algorithm
Decomposition
Computer program
Abstraction
A sequence of steps to complete a task
Removing unnecessary detail from a problem
An implementation of an algorithm
Breaking a problem into smaller pieces
Clear selection
Which of these is NOT a benefit of decomposition
1 point
It will be easier to understand the final program
It allows different groups of programmers to work on different parts of the problem
It means parts of the problem can be rigorously tested as they are completed
It allows each part of the problem to be completed one by one
Clear selection
"A named area of memory where data can be stored" is a definition of?
1 point
Iteration
A subroutine
A variable
An identifier
Clear selection
Match the data type with the data example
5 points
42
3.142
'&'
"57 channels"
false
Integer
Real (float)
Character
String
Boolean
42
3.142
'&'
"57 channels"
false
Integer
Real (float)
Character
String
Boolean
Clear selection
Iteration is
1 point
Setting the value of a variable
The act of setting up a variable
Repeating a set of commands
Choosing which path to take next in a program
Clear selection
Machine code is an example of
1 point
an assembled programming language
a low level programming language
a compiled programming language
a high level programming language
Clear selection
Which of these is true about Assembly code
1 point
It doesn't need to be converted at all and can be used directly
It requires an interpreter to convert it into machine code
It is often used to program embedded systems
It has a complex syntax with a full set of commands available
Clear selection
An advantage of using a compiled language is that
1 point
The compiler is free for anyone to use
It is easier to check for errors in the code
It doesn't need to be converted for the computer to know what to do
Compiling creates an executable file that cannot be understood by users
It makes programming much easier
Clear selection
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