N5 Revision
Presentation
•
Computers
•
11th Grade
•
Medium
Clare Hunt
Used 5+ times
FREE Resource
8 Slides • 22 Questions
1
N5 Revision
By Clare Hunt
2
Web Design
Web Coding
HTML - content (Various tags including <head> <body> <h1> <p> <div>)
CSS - styles (including font-family, text-size, color, background-color)
JavaScript - interactivity (Mouse Over/Mouse Out)
Some text here about the topic of discussion
3
Multiple Choice
Examine the CSS code below:
p{font-family:comic sans;
text-size:14px}
What statement is true
p is the selector
all paragraphs will be styled using this code
all paragraph text will be in comic sans font and size 14 px
All of the above
4
Multiple Choice
<div class = "infoText">
will be styled in red text on a white background.
Which is the correct CSS code?
.infoText{color:red; background-color: white}
#infoText{color:red; background-color: white}
infoText{color:red; background-color: white}
.infoText{color:red; background-color: red}
5
Multiple Choice
What tags are missing?
<____>
<-----> Tab </____>
</____>
<body>
<title> Tab </title>
</body>
<h1>
<title> Tab </title>
</h1>
<head>
<title> Tab </title>
</head>
<head>
<p> Tab </p>
</head>
6
Data Types
String -text e.g. "45 Code Street"
Char - single character e.g. "Y"
Integer - whole number e.g. 121
Single - real number e.g. 3.14
Boolean - True or False
Array - list of items e.g. Dim pupilScores(5)
e.g. 5 pupilScores [60, 89, 42, 27, 56}]
7
Multiple Choice
What data structure and data type would be used to store the door numbers of all the classrooms in the school?
integer
string
array of strings
array of booleans
8
Computer Sysyems
Computer structure
Processor
ALU - Arithmetic and logical operations
Control Unit - Controls the execution of each line of code
Registers - storage locations within the processor
Memory
RAM - Bank of storage locations where code instructions and data are stored while a program is running
9
Multiple Choice
Where is data stored while a program is running?
ROM
RAM
Hard drive
USB
10
Multiple Choice
What part of the processor is used when comparing a value to the variable contents in the code IF number = 56 THEN
Control Unit
Arithmetic Logic Unit
Registers
Data Bus
11
Uni-directional
An address to be accessed is sent on address bus from processor to memory. This can be so data can be read or written to the address.
Address Bus
Bi-directional
Data is carried from processor to a unique memory location (ADDRESS) in RAM and also carries data from a memory location to the processor
Data Bus
Computer Systems
Computer Structure
12
Multiple Choice
What is the purpose of the address bus?
to carry data from memory to processor
to carry data from processor to memory
to carry the address of a required memory location to the processor
to carry the address of a required memory location from the processor to memory
13
Multiple Choice
What does a memory location store?
Data
Instructions
Data and/or instructions
14
Computer Systems
Storing text
Integers
Convert to or from binary
Real
Identify mantissa and exponent
Storing numbers
Storing graphics
Vector
Instructions to create the object
Bit-map
Each pixel is stored using one (or more bits) BIT DEPTH
file types
gif, png, jpg, bmp
Storing sound
ASCII code
8 bits per character
Sample size
how many bits per sample
Compression
15
Multiple Choice
How many bits are stored for the phrase
An elephant never forgets
25
21
4
26
16
Multiple Choice
How is the following real number stored?
0.9876 x 108
mantissa 0.9876
exponent 8
mantissa 9876
exponent 8
mantissa 8
exponent 9876
mantissa 8
exponent 0.9876
17
Multiple Choice
Convert 00101010 to binary
44
46
42
43
18
Multiple Choice
The following instructions are stored for a vector graphic
<rectangle x = 0, y = 0, height = 100, width = 200, style = fill.red, outline.blue>
Which answer is true for this object?
value - height
attribute - height
attribute - width
value - 100
attribute - style
value - fill
attribute - outline
value - blue
19
Multiple Choice
What is an advantage of a large sample size in an audio file?
Longer download time
Higher quality sound
Shorter download time
Lower quality sound
20
Multiple Choice
Which is the true statement about graphics file formats?
GIF
supports transparency
has 16 million colours
JPG
supports transparency
supports animation
PNG
supports transparency
supports animation
BMP
uncompressed
commonly used for website images
21
Data is scrambled before travelling on network.
The intended receiver has key to unscramble when it reaches destination
Encryption
Checks incoming data meets the organisations policy
Checks outgoing network traffic is not breaching rules e.g. sensitive data
Firewall
Computer Systems
Security
22
Multiple Choice
Which of the following is true
Firewall scrambles outgoing data
Firewall checks incoming data does not breach policy
Fife Council uses encryption to ban pupils from accessing you tube
Fife Council's firewall does not check outgoing messages
23
Random Questions
Questions from all units
24
Multiple Choice
Which of the following are logical operators
>
<
<=
>=
=
+
-
/
*
IF
FOR...NEXT
DO...LOOP UNTIL
AND
OR
NOT
25
Multiple Choice
Analyse a program that takes in pupils' names and their Quizizz scores, finds the average score, compares each score to average and store whether student was on, above or below the average score.
The program should then display the pupils' names, their scores and whether their score is above or below average.
Inputs are pupil names and average score
Outputs are pupils' scores and calculation of the average score
Processes are calculating the average
Comparing pupils' score to average
26
Multiple Choice
Code to validate the input of numbers between 50 and 55 is being tested.
Which is extreme test data?
50 and 55
<50 and >55
numbers between 50 and 55
49 and 56
28
Multiple Choice
The code <img src="images\laptop.jpg" /> displays the file called laptop.jpg on a webpage. This is an example of...
absolute addressing
relative addressing
internal hyperlink
external hyperlink
29
Open Ended
Write code with a syntax error in Visual BASIC and the code with the correct syntax
30
Draw
Write a pre-defined function
N5 Revision
By Clare Hunt
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