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APCSP review

Total questions: 25

Worksheet time: 14mins

Name
Class
Date
1.

Big data is the massive amount of rapidly moving and freely ..................

a)

Available data

b)

Unavailable data

c)

Structured Data

d)

Unstructured Data

2.

What is the true definition of big data

a)

huge amount of space

b)

large, diverse sets of information

c)

unlimited speed data internet connection

d)

small, undiverse sets of information

3.

Variety is a characteristic of big data. Which type of formats does Variety comes from?

a)

Structured

b)

Unstructured

c)

Semi-structured

d)

All of the above

4.

Which of the following would NOT use big data analysis?

a)

Healthcare companies

b)

Public agencies

c)

Retail companies

d)

High school students doing homework

5.

What is the advantages on using big data in education in real life?

a)

A: Cost reduction

b)

B: Higher risk

c)

C: Effective learning

d)

D: A and B only

e)

E: A and C only

6.

Which of these isn't a cyber crime

a)

Accessing unauthorised data/ using someones computer without permission

b)

Tricking people into downloading malware

c)

Accessing the DarkWeb

d)

Creating an account on something you're not old enough for

7.

Whats encryption?

a)

Passing text thorough a maths algorithm to scramble text

b)

Changing the letters by a set number (Caesar Cipher)

c)

Changing to ASCII code

d)

Converting text to hex

8.

If you receive an attachment from someone you don't know, you should never open it.

a)

True

b)

False

9.

Which of these is NOT a category of malware

a)

Worm

b)

Virus

c)

Snake

d)

Trojan

e)

Quiz

10.

How can a virus infect your computer?

a)

Through security loopholes

b)

Suspicious web links

c)

Disguised as legitimate software

d)

Email attachments

11.

Which of the TCP/IP model layers is responsible for breaking down the message into packets?

a)

Network

b)

Application

c)

Transport

d)

Internet

12.

Which is the first layer of the TCP/IP model?

a)

Network

b)

Application

c)

Transport

d)

Internet

13.
HTTP stands for..
a)
.. Hyper Technology Transmission Piece 
b)
Hypertext Transfer Protocol
c)
Hypertext Talking Package 
d)
Hypertext Transfer Program 
14.
Which of the following is not the layer of TCP/IP protocol.
a)
A. Physical layer
b)
B. link layer
c)
C. network layer
d)
D. transport layer.
15.
Which of the following is the definition of pseudocode?
a)
A container which is used to store values such as the number of attempts a person tries to log on to a network.
b)
A language that is similar to a real programming language, but is easier for humans to understand although it doesn’t actually run on a computer. It can easily be converted to a regular programming language.
c)
A value that cannot be altered by the program during normal execution: the value stays the same. 
d)
Messages to explain to others, and often to remind yourself, what the code is intended to do. 
16.
An identifier is the ‘name’ given to a variable. For example: 
distanceToSchool = 10
Which part is the identifier?
a)
10
b)
=
c)
distanceToSchool
17.
What command is this shape for?
a)
START / STOP
b)
INPUT / OUTPUT
c)
PROCESS
d)
DECISION
18.
What command is this shape for?
a)
References another part of the program
b)
Data that is going in as input or coming out as output
c)
Processing something - a calculation or storing something into a variable
d)
Shows the direction of the program
19.
Picking out the important bits of information from the problem, ignoring the specific details that don't matter.
a)
Decomposition
b)
Abstraction
c)
Programming
d)
Algorithmic Thinking
20.

A school database has lots of information on students, the data manager needs to use abstraction. What data should she leave out?

a)

Age

b)

Guardian's phone numbers

c)

Classes

d)

Eye colour

21.

78 – 30 = _____

a)

108

b)

87

c)

84

d)

48

22.

Binary form has ____ contrasting sections.

a)

1

b)

2

c)

3

d)

4

23.

What is E in denary

a)

10

b)

12

c)

14

d)

16

24.

What is 1011 in hex

a)

B

b)

C

c)

D

d)

E

25.

1101 to decimal

a)

15

b)

11

c)

12

d)

13

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