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Digital Information Lesson 1-4

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

_______________ is the process of information being turned into a code and being moved from one place to another.

a)

Binary code

b)

Morse code

c)

Information transfer

d)

QR code

2.

______________ is a code used to transfer information using only the digits 0 and 1 to represent a letter, number, or special character.

a)

Bar code

b)

Binary code

c)

Morse code

d)

QR code

3.

Which two symbols do computers and other devices use today?

a)

dots and dashes

b)

1 and 2

c)

A and B

d)

0 and 1

4.

How can you tell a computer what to do?

a)

computer coding

b)

computer talking

c)

computation

d)

none of these

5.
Which of these is the correct sequence for the place values for binary numbers?
a)
1, 2, 4, 8, 16, 32, 64, 128
b)
1, 2, 4, 6, 8, 10, 12, 14, 16
c)
1, 2, 3, 4, 5, 6, 7, 8
d)
0, 1
6.
Binary uses 1’s & 0’s to represent data
a)
True
b)
False
7.

What is the 4-bit binary number for the decimal number Ten (10)?

a)

0010

b)

1010

c)

0110

d)

0101

8.

Which is the best definition for "bit?"

a)

A set of rules governing the exchange or transmission of data between devices.

b)

Transmission capacity measured by bit rate.

c)

A single unit of information in a computer, typically represented as 1 or 0.

d)

Time it takes for a bit to travel from its sender to its receiver.

e)

The number of bits that are conveyed or processed per unit of time, for example, bits/second.

9.

DEFINE: Computer Science

a)

A way of representing information using only two options.

b)

The visual programming language used in Code.org's online learning system for K-5 students.

c)

the study of the principles and use of computers.

10.

Hardware or Software?

a)

Hardware

b)

Software

11.

Hardware or Software?

a)

Hardware

b)

Software

12.

Hardware or Software?

a)

Hardware

b)

Software

13.

Hardware or Software?

a)

Hardware

b)

Software

14.

What is the binary code for 7?

a)

0011

b)

0111

c)

1001

d)

1011

15.

What is the binary code for 40?

a)

10010111

b)

00101000

c)

0011

d)

00111000