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Computing Revision

Total questions: 53

Worksheet time: 48mins

Name
Class
Date
1.

Who was the first know user of the Caesar Cipher?

a)

Caesar Romanus

b)

Julius Caesar

c)

Alan Turing

d)

There isn't one

2.

In Cryptography, original message, before being transformed, is called

a)

Simple Text

b)

Plain Text

c)

Cipher Text

d)

Filled Text

3.

The process of converting a ciphertext into plaintext.

a)

encryption

b)

decryption

c)

plaintext

d)

cryptography

4.

Encrypt the word alphabet using a Caesar cipher with a shift of 3

a)

DVSDULQV

b)

DOOFOHDU

c)

DOSKDEHW

d)

DORQHBHV

5.

The _______ is a number or a set of numbers on which the cipher operates.

a)

secret

b)

cipher

c)

key

d)

none of the mentioned

6.

Study of letters or groups of letters contained in a ciphertext in an attempt to partially reveal the message is called:

a)

Frequency analysis

b)

Cryptography

c)

Encription

d)

Decription

7.
Which tool puts text on top of the image?
a)
Spot Healing Brush
b)
Content Aware Move
c)
History Brush
d)
Type Tool
8.

These are your...

a)

Photoshop stuff

b)

Drawings

c)

Layers

d)

Pictures

9.

What is this tool called?

a)

Quick Selection Tool

b)

Rectangular Marquee Tool

c)

Lasso Tool

d)

Move Tool

10.

What is this tool called?

a)

Magic Wand Tool

b)

Quick Selection Tool

c)

Move Tool

d)

Lasso Tool

11.
What does a gray and white checkerboard background mean?
a)
The image is broken.
b)
The background is gray and white.
c)
The background is transparent.
d)
The image will display a white box around it.
12.
What do the little arrows at the top of this picture do?
a)
Change the colors of both boxes- makes the red box blue, the white box black.
b)
Flip the colored boxes around- bottom box goes to the top.
c)
Nothing.
13.
A photo file type is
a)
.jpeg
b)
.mp3
c)
.doc
d)
.mov
14.
When you don't want something selected, you click this.
a)
Gradient
b)
Selection
c)
 Deselect
d)
Pixels
15.

What is the tool called?

a)

directional

b)

move

c)

plus sign

d)

pointer

16.
What kind of software is Excel?
a)
Spreadsheet software
b)
Word Processing
c)
Drawing
17.
What do you call the rectangles on a spreadsheet?
a)
Cell
b)
Button
c)
Sentence
18.

Excel allows you to work with?

a)

Sentences

b)

Paragraphs

c)

data

19.
Blank are vertical
a)
Columns
b)
Rows
20.
Blank are horizontal
a)
Rows
b)
Columns
21.
A combination of numbers and symbols used to express a calculation. Always begins with an = sign.
a)
Cell Address
b)
Worksheet
c)
Formula
22.
True or False: Spreadsheets can be used in everyday life by analyzing sports stats, grades, and creating a budget for expenses?
a)
false
b)
true
23.

In Excel rows are labeled by

a)

Letters

b)

Numbers

24.

What button will add up a group of numbers?

a)

Equals button

b)

Auto sum button

c)

Plus symbol button

25.
How do you make a cell the active cell?
a)
Click the ACTIVE button
b)
Click INSERT CELL
c)
Click on the cell
d)
Cells are always active
26.
What is the name of this cell?
a)
B10
b)
5B
c)
B5
d)
A5
27.
Which tab in Excel has charts and tables?
a)
review
b)
home
c)
file
d)
insert
28.

What is the Sum formula?

a)

Sum( )

b)

Sum( )=

c)

=Sum( )

d)

=( )Sum

29.

When making a graph whats the first thing you need to do?

a)

Pick the type of Graph

b)

Use the function = sign

c)

Highlight your data being used.

d)

Double click the active cell

30.

How would you write a cell reference formula for cell A1 subtracted by Cell C3?

a)

A1-C3

b)

A1-C3=

c)

=A1-C3

d)

=C3-A1

31.
What does HTML stand for?
a)
Hypertext Making Language
b)
Hyper Transfer Markup Language
c)
Hypertext Markup Language
d)
Hyper Transfer Making Language
32.
HTML Language uses
a)
Tabs
b)
Tags
c)
Punctuation
d)
Quotations
33.
A <tag>
a)
Is used to divide sections
b)
Is not needed in HTML
c)
Tells the browser how to format our content
d)
Is part of the title line in HTML
34.
<h> is
a)
Header Tag
b)
Headline Tag
c)
Half of a tag
d)
Closing header tag
35.
</h> is
a)
Header Tag
b)
Headline Tag
c)
Half of a tag
d)
Closing header tag
36.
<p> is
a)
punctuation tag
b)
closing paragraph tag
c)
closing punctuation tag
d)
paragraph tag
37.
Body tags are used;
a)
Used for only the header
b)
Used only for the paragraph
c)
element that wraps everything that is visible on the page.
d)
Not used in HTML
38.
A Header;
a)
Must include your name
b)
First Line of your code
c)
Found at bottom of your code
d)
Not needed in HTML
39.
<img> tag finds;
a)
finds the image located at the a URL and the src attribute and then displays it.
b)
finds the image located at the SRC in the URL attribute and then displays it.
c)
Adds a cool picture
d)
Does not work in HTML coding
40.

Which code below is correct for a hyperlink

a)

<a>

"https://google.com"

Click Me

</a>

b)

<a>Click Me>

"https://google.com"

</a>

c)

<a herf="https://google.com">

Click Me

</a>

d)

<a href="https://google.com">

Click Me

</a>

41.

Copyright is a form of protection for intellectual property?

a)

True

b)

False

42.
Which is the correct HTML element for inserting a line break?
a)
<b>
b)
<lb>
c)
<br>
d)
<break>
43.

What is the name of buttons on the bottom of the screen?

a)

Tabs

b)

Icons

c)

buttons

d)

Tibs

44.

Which of the following are Tabs? (select more than 1)

a)

Map

b)

Text

c)

Icons

d)

Facebook

45.

How do you share your App?

a)

Click settings then publish then preview

b)

Click publish then settings then preview

c)

Click publish then share then preview

d)

Click share then publish then preview

46.

How would you create a page with just images on?

a)

Images screen action

b)

Gallery screen action

c)

Pictures screen action

d)

Slideshow screen action

47.

A Caesar cipher is an example of a ______________________.

a)

transposition cipher

b)

bimodal cipher

c)

substitution cipher

d)

substantial cipher

48.

A transposition cipher (4 by 5 grid) was used to encrypt "good morning everyone". What will it be output?

a)

GMIVOOONENORGREDNEY

b)

GOGYOREOONVNDIEEMNR

c)

GDRNVYEOMNGEOOOIERN

49.

A transposition cipher is

a)
b)
c)
d)
50.

A Number cipher is

a)
b)
c)
d)
51.

A Number cipher is

a)
b)
c)
d)
52.

The <a> tag stands for

a)

Ancor

b)

Anchor

c)

Alternative

d)

And

53.

Which is the correct format for a hyperlink reference to another page?

a)

<a href=" "> text <a>

b)

<a =href" "> text <a>

c)

<a href=" "> text </a>

d)

<a herf=" "> text <a>

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