# data[].attributes.body
Tracker Pads are commonly used on laptops or other portable computers. They are an alternative to a mouse. They are also known as a touch sensitive pad. One other advantage is that they can sense the touch of a finger. One major disadvantage is that it can sometimes be very sensitive and becomes very difficult to use.

Jordan Boyd

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It allows the user to control an object on the screen by moving a small lever in different directions. There are many different buttons for different actions and it is usually used for computer games.
+ Easier to use than a mouse with a speedy input
- More expensive than a mouse

Emily Skillen

# data[].attributes.body
A touch screen reacts with a humans touch and allows them to view data or enter data. It can be used in places such as restaurants, and libraries. When a user's finger touches the screen, vertical and horizontal beams of light are broken. The touch location is then found by the machine by finding where the light has been broken.

# data[].attributes.body
Hard disk-Magnetic,120GB to 1 terabyte Cheap, Fast
DVD(Digital Versatile Disk)-Optical, 5GB single 17GB Double, Cheap, Fast
CDRW(Compact Disk Read Write),Optical,700MB, Cheap,Fast
CDROM(Compact Disk Read Only Memory), Optical,700MB,Cheap,Fast
CDR(Compact Disk Recordable),Optical,700MB,Cheap,Fast
Joe Piper

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Mouses can also be referred to as a "pointing device". Mouses usually contain 2 or 3 buttons which are used to make selections on screen. They can also be wireless.
Advantages - easy to use, inexpensive compared to other input devices.
disadvantages - experienced users may fing using a mouse slow.
Jessica Robinson

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There are four different types of printers:
-Dot Matrix Printer(impact printer): low quality print. Used in a workplace to print things like invoices, can make multiple copies at the same time.
-Laser Printer (non impact): suitable for high volume printing. Prints in b&w or colour.
-Ink jet Printer (non impact): suitable for home use. High quality print. Prints in b&w or colour.
-Plotter (impact printer): can use large paper sizes. Drawings are high quality, can draw arcs and curves and different characters and fonts. Used by architects, surveyors, pattern makers and engineers.

Katir McEwan

# data[].attributes.body
Input devices are things like mice, scanners, joysticks, touch pads, microphones and keyboards. They are input devices as data can be put into them. Output devices are things like printers, monitors, speakers or headphones. They are output devices as they give out data.
James Todd

# data[].attributes.body
Input is the data the user puts into the computer and output is the data you receive after completing a process.  Input devices are used to capture data that the user inputs and output devices pass data back to the user from a completed process

Callum

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What is a Virtual Learning Environment (VLE)

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What is a Virtual Learning Environment (VLE)

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A VLE is a software that can be used in school to assist the delievery of online content.
- contain pupil tracking codes
-tutors can interact and collaborate with pupils at suitable times
-students can be led towards appropriate resources.

Lauren Hanna

# data[].attributes.body
8Bits-1Byte
1024Bytes-1Kilobyte
1024Kilobytes-1Megabyte
1024Megabytes-1Gigabyte
1024Gigabyte-1Terabyte

Samuel Pickering

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Local storage is held on a computer , the computer controls  and maintains the storage as required.
On the Other hand network storage is storage that is central to one specified computer and on a network, this computer sends ans receives all the data from other computers

Sam Richards

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A search engine allows us to enter keywords or phrases to locate relevant websites.

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In order for any computer to work it is necessary to have an operating system. The Operating System a.k.a systems software is the first software  to be loaded into the computer.
Mattie Shanks.

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Output is the data you receive after completing a process. Output devices pass data back to the user from a completed process.

# data[].attributes.body
Input is the data the user puts into a computer. To do this an input device is needed. Input devices are used to capture data that the user inputs into the computer

Luke Surgin

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There are 3 types of memory: ROM (Read Only Memory), RAM (Random Access Memory) and  Cache memory. ROM memory is non Volatile whereas RAM memory is Volatile. Cache memory is special and is located close to the processor.

Ashleigh McIlroy

# data[].attributes.headline
What is CPU? What does it do? What are the three main components of a CPU?

# data[].attributes.subject
What is CPU? What does it do? What are the three main components of a CPU?

# data[].attributes.body
CPU- Central Processing Unit
It is the brains of the computer and it is where calculations, decision- making and searching take place.
The three main components are:
Main Memory
Control Unit (CU)
Arithmetic and Logic Unit (ALU)

Alan Matthews

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QWERTY: a standard layout referred to as QWERTY. It is used to enter text into the computer but is prone to human error as all data is keyed in.
Concept: a keyboard with pictures or words that can be programmed to carry out specific instructions.
David Camley