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Unit 3 - Week 1 (CFU)

Total questions: 8

Worksheet time: 40mins

Name
Class
Date
1.

ASCII is a character-encoding scheme that uses 7 bits (8 bits if you are using the extended ASCII table) to represent each character. The decimal (base 10) values 65 through 90 represent the capital letters A through Z, as shown in the table above ^.

Which ASCII character is represented by the binary (base 2) number 1000001?

a)

A

b)

B

c)

C

d)

D

2.

How many bits are in the binary number 1001?

a)

1

b)

2

c)

3

d)

4

3.

Which of the following symbols is used for variable assignment in Python?

a)

<

b)

=

c)

==

d)

#

4.

Which of the following symbols is used for comparisons in Python?

a)

<

b)

=

c)

==

d)

#

5.

Which number is ALWAYS the same, no matter what number system is being used?

(a)  

6.

What is the 3,454^0 (to the 0th power)?

a)

0

b)

1

c)

3454

d)

Infinity

7.

Which of the following cannot​ be represented by a single binary digit?

a)

The result of a single coin flip

b)

Whether an integer is an odd or an even number

c)

Which color is currently being shown by a traffic light

d)

The position (on or off) of a single light switch

8.

If I add the binary 01 + 01, what would be the result (in binary)?

a)

01

b)

10

c)

11

d)

00