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Digital Information, Binary Code, & Computational Thinking

Total questions: 30

Worksheet time: 14mins

Name
Class
Date
1.

Information (numbers, words, measurements, observations, etc) that is in a computer-readable form.

a)

Binary

b)

Data

c)

Abstraction

d)

Number System

2.

Defines how we represent numbers. Which digits we can use, and what each position (place) in a number means.

a)

Binary

b)

Data

c)

Abstraction

d)

Number System

3.

The number system we use in our everyday lives. It has 10 digits, 0-9.

a)

Binary Number System

b)

Decimal Number System

c)

Hexadecimal Number System

d)

Number System

4.

The decimal system is also known as ___

a)

base-two notation

b)

base-ten notation

c)

base-sixteen notation

d)

ASCII

5.

Base 2 Number System. It is a number system that only uses 2 digits (0 and 1).

a)

Binary

b)

Data

c)

Abstraction

d)

Number System

6.

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

a)

binary

b)

decimal

c)

hexadecimal

d)

ASCII

7.
Binary is made up of which numbers 
a)
3 and 4.
b)
2 and 3.
c)
1 and 2.
d)
0 and 1.
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.

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

a)

an octobit

b)

a byte

c)

a nibble

d)

a chunk

10.
8 bytes = 1 bit
a)
TRUE
b)
FALSE
11.

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

a)

2

b)

5

c)

10

d)

11

12.

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

a)

4

b)

23

c)

39

d)

43

13.

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

a)

28

b)

30

c)

36

d)

42

14.

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

a)

127

b)

128

c)

255

d)

256

15.

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

16.

Number system that has 16 digits 1 - 9 and A - F.

a)

Binary Number System

b)

Decimal Number System

c)

Hexadecimal Number System

d)

Number System

17.

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

18.

The acronym ASCII stands for ___

a)

Accepted Simplified Characters for Information Interchange

b)

Accepted Standard Code for Intelligent Interoperability

c)

American Simplified Characters for Intriguing Individuality

d)

American Standard Code for Information Interchange

e)

Anonymous Self-Certified Internet Imposters

19.

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

20.

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

a)

cross-platforming

b)

interoperability

c)

linguistics

d)

universal translating

21.

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

22.
Breaking a complex problem down into smaller problems and solving each one individually.
a)
Decomposition
b)
Abstraction
c)
Programming
d)
Algorithmic Thinking
23.
Which of these is an example of decomposition?
a)
Breaking the problem of organising a cake sale into smaller parts, such as who will bake the cakes and when to hold the cake sale.
b)
Taking the problem of baking a cake and thinking about how we can make it the best cake possible.
c)
Looking at what different kinds of cake can be made.
24.
Which of these would not be involved in decomposing a problem?
a)
Thinking about how the problem could be divided into smaller parts
b)
Working out who could help you solve a part of the problem
c)
Adding more parts to the problem so it becomes more complaex
25.

Managing complexity by “removing” information and detail, in order to focus on the relevant concepts.

a)

Binary

b)

Data

c)

Abstraction

d)

Number System

26.

A list of steps to finish a task. A set of instructions that can be performed with or without a computer.

a)

program

b)

algorithm

c)

command

d)

condition

27.

An algorithm that has been coded into something that can be run by a machine is called a...

a)

program

b)

bug

c)

loop

d)

command

28.

Part of a program that does not work correctly.

a)

debugging

b)

variable

c)

algorithm

d)

bug

29.

Finding and fixing problems in an algorithm or program.

a)

sequencing

b)

debugging

c)

conditonals

d)

behavior

30.

Analyzing and identifying repeated sequences

a)

debugging

b)

abstraction

c)

sequencing

d)

pattern recognition