Binary Intro
3 days ago
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• Question 1
20 seconds
Q.

What is the point of binary?

It represents how computers interpret electrical signals

Because teachers like to make you do extra math

Binary isn't a real thing

Because it describes star systems

• Question 2
20 seconds
Q.

Binary is made up of which numbers

3 and 4.

0 and 1.

2 and 3.

1 and 2.

• Question 3
20 seconds
Q.

If a binary number ends with a 1, it must be...

An odd number

An even number

A prime number

The number 12

• Question 4
20 seconds
Q.

Convert 11111111 to decimal

255

245

235

225

• Question 5
20 seconds
Q.

Which of these are the correct place values for binary?

128,64,32,16,8,4,2,1

128, 68,34,12,6,4,2,1

1,0

0,1

• Question 6
20 seconds
Q.

How would you write the number two in binary?

1001

0001

0000

0010

• Question 7
20 seconds
Q.

Convert 128 to binary

10000000

01111110

10000001

11001100

• Question 8
20 seconds
Q.

How would you write the number 4 in binary code?

0100

0000

0001

0010

• Question 9
20 seconds
Q.

A group of 8 bits is known as a gigabyte.

True

False

• Question 10
20 seconds
Q.

8 bytes = 1 bit

True

False

• Question 11
20 seconds
Q.

A bit is

a numerical label assigned to each device.

the smallest unit of data in a computer.

a keyboarding term for typing.

is a numeral system made up of 16 symbols.

• Question 12
20 seconds
Q.

Computers can only understand 0s and 1s.

True

False

• Question 13
20 seconds
Q.

What are the only two numbers you can use in binary?

0 and 1

1 and 2

1, 2, 3, 4, 5, 6, 7, 8, 9, 10

1, 2, 4, 8, 16

• Question 14
30 seconds
Q.

What is the binary form of 40?

00101000

0000040

00001000

10101010

• Question 15
30 seconds
Q.

How will you write 55 in binary?

00110111

00100110

00110010

00010110

• Question 16
20 seconds
Q.

How many digits are in the decimal number system?

10

9

2

1-9

• Question 17
20 seconds
Q.

What is 2﻿5﻿﻿﻿?

16

32

64

None of the above

• Question 18
20 seconds
Q.

What is the range of decimal values you can write in 8 bits?

0 to 8

0 to 256

0 to 63

0 to 255

• Question 19
20 seconds
Q.

The largest decimal number you can write with four binary digits is:

16

15

14

None of the above

• Question 20
30 seconds
Q.

01

11

101

11

100

111

• Question 21
45 seconds
Q.

1001

1011