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Worksheets3rd grade Diagnostic Test
Total questions: 20
Worksheet time: 20mins
An algorithm is a list of steps to do a task.
True
False
Which algorithm is shorter and better?
12 steps with no repeats
5 steps with repeats
5 steps with no repeats
If we remove one step from an algorithm, the result may change.
True
False
What is the input in “Press the play button on a music player”?
The song playing
Pressing the button
The speaker
What is an Input and an Output?
Input is to press a key on the keyboard
Output is the letters appear on the screen
Output is to press a key on the keyboard
Input is the letters appear on the screen
Both are input:
to press a key on the keyboard
the letters appear on the screen
Both are output:
to press a key on the keyboard
the letters appear on the screen
Debugging is to find and fix mistakes in a program
True
False
Why do programmers test programs?
To make them longer
To check they work
To make them look nice
A sprite is always a static object.
True
False
According to the image, what will the Micro:bit show?
The word "Hello" scrolling on the leds screen
The word "Hello" static on the screen
It will not show anything
Micro:bit can show text and numbers on its screen.
True
False
Which is an example of initialization?
Resetting a game to start again
Adding more sprites
Making a sprite move faster
Select the correct option about the function of each input device:
Microphone Collects temperature/lights
Keyboard collects letters/numbers
Sensor collects sound
Microphone Collects movement
Keyboard collects temperature/light
Sensor collects numbers/letters
Microphone Collects Sound
Keyboard collects letters/numbers
Sensor collects temperature/light
A spreadsheet is made of rows and arrows.
True
False
Which is categorical data?
Age
Favorite Color
Number of books
Difference between Record and Field is...
Field is a full row with all related attributes
and
Record is a column of an specifical attribute
Record is a full row with all related fields
and
Field is a column of an specifical attribute
Both record and field are the same
A printer is an input device.
True
False
Which file is usually the biggest?
Text File
Image File
Video File
Robots can help in hospitals
True
False
Select a control system from the options:
Computer Screen
Traffic Lights
Batteries of a toy
Select an Output device from the options:
Sensors
Computer Screen
Keyboard
