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Digital discoveries SEM 2 Exam Study Guide

Total questions: 16

Worksheet time: 9mins

Name
Class
Date
1.

What is LED?

a)

Left ear dog

b)

Learn emended death

c)

Laugh-Earn-Drink

d)

Light emitting diode

2.

What system uses 1's and 0's?

a)

digital

b)

"On"/"Off" represented in numbers

c)

Boolean

d)

binary

3.

What is Code?

a)

rect(), Fill(), Ellipse(), var name

b)

computers

c)

Program instructions

d)

unblocked games

4.

What is a Parameter?

a)

A piece of information that changes a block

b)

A measurement for velocity and speed

c)

Clothing for a business

d)

Category of blocks

5.

what system is used to represent information with two options?

a)

Boolean

b)

ASCII

c)

Binary

d)

Game lab

6.

What is the difference between Analog and Digital?

a)

Analog is direct and Digital is translated

b)

Digital is direct and Analog is translated

c)

Digital is used in phones and Analogs are used in television

d)

Analog is used in phones and Digital is used in television

7.

What is the Boolean expression?

a)

To change information so it's meaning is shown

b)

The visual elements of a program

c)

Expression for true or false

d)

a single piece of information

8.

What is UI?

a)

United Industry

b)

Under Ice

c)

Uncover Item

d)

User Interface

9.

What is a single piece of information in a binary system?

a)

Bit

b)

Byte

c)

UI

d)

ASCII

10.

What is Byte?

a)

ASCII

b)

8 pieces of information in a binary system

c)

one piece of information in a binary system

d)

A boolean expression

11.

When would you need Innovation?

a)

When you need to come up with a solution

b)

when you need to clean up the house

c)

when you forgot to put a password on your computer

d)

When there is a Boolean expression

12.

What is a prototype?

a)

A first early model

b)

A finished model

c)

a different but similar model

d)

a burger

13.

What is a program?

a)

A system of coding where the system is encoded

b)

Something that is used to run video games of cats

c)

Something that has been coded and ran by a machine

d)

Light emitting diode

14.

When would you need to Encrypt something?

a)

when you need to send someone a letter

b)

When sending an email to someone when you don't want anyone else to read it

c)

When putting something in a computer so that the computer can read it but not a person

d)

"On"/"Off"

15.

What is encoding?

a)

to change information so that its hidden meaning is shown

b)

to change how information is represented so that it can be read by a computer

c)

to change how information is represented so that it can be read by a person

d)

to change information so that its meaning is hidden

16.

What is the difference between Decode and Decrypt?

a)

Decode is when something is hidden so neither person or computer can read it

b)

Decode is when something is only read by a person

c)

Decrypt is when something is only read by a computer

d)

Decrypt is when something that was hidden is shown