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WorksheetsRevision MCQs – Grade 6 CCDI
Total questions: 19
Worksheet time: 10mins
Which of these is not an embedded system?
Microwave
Smartwatch
Digital Camera
Desktop Computer
The part of an embedded system that stores permanent instructions is:
RAM
ROM
USB
Battery
Which is an example of an output in an embedded system?
Temperature sensor
Microphone
LED light
Button
Which feature makes embedded systems different from laptops?
They are smaller and do specific tasks
They can play games
They have large storage
They run many programs
What is the best definition of an algorithm?
A list of computer parts
A recipe or steps to solve a problem
A computer language
A memory type
Which shape shows “Start/End” in a flowchart?
Rectangle
Oval
Diamond
Arrow
Which flowchart symbol is used for “input/output”?
Parallelogram
Oval
Diamond
Square
Which example shows decomposition?
Writing code with errors
Splitting the task “make a sandwich” into small steps
Drawing one big flowchart only
Running a program without testing
Which variable name follows the rules?
totalScore
5player
my score
%value
Which variable is best for storing temperature?
var1
tempValue
num
abc
Why should we use meaningful variable names?
To make programs easier to understand
To make programs shorter
To confuse hackers
To use less RAM
Which is not allowed in variable names?
Letters
Numbers
Spaces
Underscore
What is the main purpose of loops?
To delete variables
To repeat tasks
To create names
To stop programs
Which loop is best if you want a robot to move forward exactly 10 steps?
Condition-controlled loop
Count-controlled loop
Infinite loop
Nested loop
Which loop type keeps running until “battery < 10%”?
Condition-controlled
Count-controlled
Nested loop
Forever
Which block is used to repeat instructions forever?
On Start
Forever
Repeat until
Pause
Which of these is an input for Micro:Bit?
Button A
LED display
Buzzer
Speaker
Which of these is an output for Micro:Bit?
Accelerometer
LED display
Button B
Temperature sensor
Which block would you use to show a number on the LED grid?
Show string
Show number
Show variable
Input
