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Grade 7 Revision CCDI

Total questions: 18

Worksheet time: 18mins

Name
Class
Date
1.

Embedded systems are computer systems with hardware and software to control and/or monitor a specific task or function within a larger system

a)

False

b)

True

2.

A compound conditional is a type of selection that uses statements with ____________ or more logical conditions.

a)

two

b)

one

3.

 In computer science, decomposition is breaking a problem down into sub-problems and smaller parts.

a)

True

b)

False

4.

To input data from an analogue device or component, microcontrollers use ______________________ converters.

a)

digital to analogue

b)

analogue to digital

5.

Digital devices can only process information that has been encoded in or converted to a digital format.

a)

False

b)

True

6.

Which of the following is a method of collecting data?

a)

quoting

b)

Turning four

c)

questioning

7.

Which computational tool can you use to collect data from people easily?

a)

Motion sensor

b)

Infrared sensor

c)

Google forms

8.

Some tests used to determine if an agent is capable of replicating human intelligence include the __________ test and the Marcus test.

a)

Turner

b)

Turing

c)

Touring

9.

What is the Marcus test?

a)

The robot adds numbers together.

b)

The robot speaks in another language.

c)

The robot watches a TV program and answers questions about it.

10.

Which variable below is the best to store a person’s height

a)

flt_height

b)

int_weight

c)

str_height

11.

How can bias affect training data sets for AI?

a)

Bias makes training data sets better.

b)

Bias makes training data sets worse.

c)

Bias makes training data sets quicker.

12.

Which variable below is the best to store a person’s name

a)

int_name

b)

bln_name

c)

str_name

13.

Which component can you connect to a microcontroller to receive data

a)

Light emitting diode

b)

Push button

c)

Buzzer

14.

Why is it important to get feedback on your project

a)

Feedback will remove all the bugs in your code.

b)

Feedback helps you find ways to improve your project

15.

What is troubleshooting

a)

A method used to make the project longer

b)

A method used to solve a problem

c)

A way to create a problem

16.

Which one is a way to include already made code into your program

a)

Use libraries

b)

Use loops

c)

Use repetition

17.

What is the smallest unit of digital data

a)

Decimal digit

b)

Binary digit

18.

Which computer code do we use to store alpha-numeric text characters (characters on a keyboard) as binary digits

a)

Hexadecimal

b)

Alphabet

c)

ASCII