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Worksheets

Binary

Total questions: 24

Worksheet time: 15mins

Name
Class
Date
1.

Which number system uses "1" and "0" to represent "true" and "false", respectively?

a)

binary

b)

decimal

c)

hexadecimal

d)

ASCII

2.

Which number system has ten possible values, 0 through 9, for a single digit?

a)

binary

b)

decimal

c)

hexadecimal

d)

ASCII

3.

The decimal system is also known as ___

a)

base-two notation

b)

base-ten notation

c)

base-sixteen notation

d)

ASCII

4.

The binary number 101, when converted to base-10 is ___

a)

2

b)

5

c)

10

d)

11

5.

The binary number 100111, when converted to base-10 is ___

a)

4

b)

23

c)

39

d)

43

6.

The binary number 101010, when converted to base-10 is ___

a)

28

b)

30

c)

36

d)

42

7.

When adding 1 + 1 in binary, you need to ___

a)

use the symbol 2

b)

put 0 as the sum and carry the 1

c)

put 1 as the sum and carry the 1

d)

put 1 as the sum and carry the 0

8.

Each of the binary digits 1 or 0 is called ___

a)

a bit

b)

a byte

c)

a base-ten digit

d)

a pixel

9.

For 8-bit numbers, the lowest value is 0 and highest value is ___

a)

127

b)

128

c)

255

d)

256

10.

How many different colors can be displayed by an 8-bit game?

a)

8

b)

64

c)

256

d)

16,777,216

11.

A unit of digital information that consists of eight bits is called ___

a)

an octobit

b)

a byte

c)

a nibble

d)

a chunk

12.

The metric prefix for a million is mega (M). What is the prefix for a billion?

a)

beca (B)

b)

kilo (k)

c)

giga (G)

d)

tera (T)

13.

How many bits are required to represent numbers as large as the US national debt?

a)

8 bits

b)

16 bits

c)

32 bits

d)

64 bits

14.

For data storage and retrieval, computers must label locations in their memory known as ___

a)

bit locations

b)

addresses

c)

ZIP codes

d)

box numbers

15.

Numbers that are not whole numbers, like 12.7 and 3.14, are called ___

a)

decimal numbers

b)

floating-point numbers

c)

hexadecimal numbers

d)

irrational numbers

16.

In the IEEE 754 standard, the part of the number consisting of its significant digits is called ___

a)

the body

b)

the significand

c)

the exponent

d)

the root

17.

In a 32-bit floating-point number, what is the first bit is used for?

a)

the address of the number

b)

the sign of the number

c)

the parity check

d)

the decimal location

18.

In the 1600s, which English writer used 5-bit sequences to encode the alphabet?

a)

Jane Austen

b)

Charles Dickens

c)

William Shakespeare

d)

Francis Bacon

19.

Which 7-bit code, invented in 1963, was developed to represent characters?

a)

binary

b)

hexadecimal

c)

ASCII

d)

Unicode

20.

The ability of computer systems to universally exchange information is called ___

a)

cross-platforming

b)

interoperability

c)

linguistics

d)

universal translating

21.

What was the major limitation of the 7-bit ASCII system?

a)

it could only store 64 values

b)

it was only designed for English

c)

it didn't include capital letters

d)

it didn't include punctuation

22.

ASCII was expanded to 8 bits, allowing codes 128-255 to be used for ___

a)

punctuation

b)

national characters

c)

upper case letters

d)

numbers 0-9

23.

What encoding scheme, devised in 1992, was developed to include many languages?

a)

7-bit ASCII

b)

8-bit ASCII

c)

16-bit Unicode

d)

32-bit Windows OS

24.

The acronym ASCII stands for ___

a)

Accepted Simplified Characters for Information Interchange

b)

Accepted Standard Code for Intelligent Interoperability

c)

American Simplified Characters for Intelligent Interoperability

d)

American Standard Code for Information Interchange