20 questions
What is cloud computing?
Cloud computing is accessing your home computer over the internet.
Cloud computing is accessing stored data online using only mobile devices.
Cloud computing is storing and using services online, rather than storing them locally on a device such as a hard drive.
Cloud computing is accessing stored data online using only computers.
Select the most secure password
Hh81@*9gef
Manch£st£rUtd
Monday1234!!
Jake_12_jones
What does peripheral mean?
Devices connected to the computer externally
Devices connected to the computer internally
Devices connected to the computer that are not part of the core function
Devices connected using a USB cable only
Storage devices are needed...
To store data permanently, even when the device is turned off. This is called non-volatile
To store data permanently, even when the device is turned off. This is called volatile
To store data temporarily, just when the device is turned on. This is called non-volatile
To store data temporarily, just when the device is turned on. This is called volatile
The three main types of secondary storage are...
Optical, residual and solid state
Optical, residual and magnetic
Residual, solid state and magnetic
Optical, solid state and magnetic
Abstraction means...
To identify patterns in the problem
To concentrate on what the important parts of the problem are
To break larger problems into smaller more manageable ones
To put smaller tasks together to make fewer problems to solve
Which best describes the term algorithm?
Getting a computer to solve a problem
A sequence of instructions that help to solve most of a problem
A sequence of instructions in order to solve a problem
A sequence of computer commands used to solve a problem
Which flowchart shape is used for decision making?
Which flowchart shape is always used in any flowchart?
If number1 = 40 and number2 = 5 what does answer equal?
45
8
15
6
Each digit in binary is called a:
byte
nibble
bit
kilobyte
What are the only numbers you can use in binary? (select more than one answer)
0
1
2
4
Why do computers use binary?
So that is easier for computers to remember instructions
So that instructions can be processed quicker
A computer has limited memory
A computer is made up of transistors that can only store two states
Complete the following sentence:
Binary is used by _______________ and denary is used by ____________ .
humans, computers
networks, virtual machines
computers, humans
Xbox, Playstation
How would the word CAR be shown using binary numbers?
1000011
1000001
1010011
1100011
1100001
1110010
1000011
1000001
1010010
CAR
Select the character set that can display the most characters
ASCII
English alphabet
Unicode
Binary
What are digital images made up of?
Dots
Small squares
Pixels
Lines
In computing each pixel can be represented by...
a name
a square
a binary number
a dot
If you increase the colour depth and resolution of an image, what happens to the image quality and file size?
The image quality and file size both increase
The image quality increases and the file size decreases
The image quality decreases and the file size increases
Both the image quality and file size stay the same
If you increase the colour depth to 2 bits, what is the maximum number of colours that can be displayed?
2
4
8
16