WorksheetsGrade 5 CCDI Exam revisions
Total questions: 27
Worksheet time: 16mins
What is a microcontroller?
A tiny programmable computer
A big machine
A type of food
What is an embedded system?
A computer with a special job inside a larger system
A notebook
A musical instrument
What does “input” mean?
The information that goes into a system
A light turning on
The final result
What does “output” mean?
The action a system gives or does
The button we press
A charger
Which is software?
The program code
A button
A motor
Which is an example of an embedded system?
Microwave oven
Pencil
Chair
Which is NOT an embedded system?
Hammer
Smartwatch
Car key fob
What part is the 'thinker' in a microcontroller?
CPU
ROM
Battery
What helps hardware work?
Software
Paper
Color
Machines get smarter when...
They get more data
They sleep
They play games
Why does AI need lots of data?
To learn and improve
To sleep more
To eat
Which is an example of AI?
Quick Draw game
Paper book
Pencil
What happens if AI has few examples?
It makes mistakes
It never learns
It becomes human
AI classifies better when...
It has more examples
It is turned off
It is angry
What is an algorithm?
A step-by-step set of instructions
A guessing game
A toy
Order is important in an algorithm because:
the steps must be followed in a specific sequence to achieve the correct result.
it makes the algorithm more visually appealing.
it allows the algorithm to run faster regardless of the steps.
it ensures the algorithm uses less memory.
What is debugging?
Fixing errors in a program
Painting
Cleaning
Which block repeats instructions in Scratch?
Loop
Color
Erase
What is decomposition?
Breaking a problem into smaller steps
Making food
Dancing
If one step is missing in an algorithm, what happens?
The process fails
It becomes faster
It turns into music
Which example shows decomposition?
Explaining how to make a sandwich
Watching TV
Jumping
What is a variable?
A place to store changing information
A toy
A car
Why do we group things?
To organize information
To waste time
To play games
Which tool helps us train AI to classify?
What happens if AI has enough examples?
It becomes more accurate
It disappears
It sings
Why is debugging important?
It helps fix mistakes and improve programs
It adds colors
It makes noise
Why do we use flowcharts?
To make steps clear and visual
To play music
To write stories
