Y7 Hardware

• Computing
• Lower Secondary (Key Stage 3)

Y7 - Computer Hardware & Software

HT3 - 2023

What is a computer?

KO:Understand basic computer hardware

Core:

Identify key pieces of input, output and storage devices and know their purpose in a computer

Which of these is a computer?

Computer

Not a computer

Testing for misconceptions - Students will obviously choose the sheep for not a computer, but may also believe the calculator and digital watch are not computers either despite having electronic components and a processor.  

What are Input and Output devices?

Definitions

Input

A device that sends data/signals into a computer

Output

A device that receives data/signals from a computer (usually after it has been processed)

Sort the input and output devices listed above out into input and output dvices.

Input Device

Output Device

What about a touch screen? Is it an input, or an output device?

Input devices are devices that…

Output Devices are devices that…

Secondary Storage

Watch the following video clip - 

https://members.gcsepod.com/shared/podcasts/title/13838/83785

Watch carefully, as you will be answering a question on the next slide...

Why do Computers use secondary storage? For bonus points list different examples of secondary storage devices

Primary Storage (Memory)

Watch the following video clip - 

https://members.gcsepod.com/shared/podcasts/title/13838/83784

Watch carefully, as you will be answering a question on the next slide...

What is the role of memory (primary storage) in a computer?

An input device is a device that...

1. Sends data from the computer
2. Sends data to the computer
3. Stores data from the computer
4. Uses volatile data

An output device is a device that...

1. Gets data sent to it from the computer
2. Sends data to the computer
3. Stores data from the computer
4. Uses volatile data

A speaker is an example of a...

1. Input Device
2. Storage Device
3. Output Device
4. Primary Memory

A camera is an example of a...

1. Input Device
2. Storage Device
3. Output Device
4. Primary Memory

A hard disc is an example of a...

1. Input Device
2. Storage Device
3. Output Device
4. Primary Memory

What is a disavantage of a USB flash drive

1. Is portable
2. Can store documents
3. Can store large files (over 1 TB depending on stick)
4. Can be easily lost

RAM is an example of a...

1. Input Device
2. Storage Device
3. Output Device
4. Primary Memory

A secondary storage device stores data...

1. While it is in use
2. Permanently stores data - even when switched off
3. Stores data when Computer is on
4. As a backup

Memory (RAM) stores data...

1. While it is in use
2. While it is NOT being used
3. All the time
4. As a backup

Memory (RAM) is volatile. This means that...

1. It is likely to corrupt
2. Data is always stored on the chip
3. Data is lost when there is no current passing through the chip
4. It has a tendency to explode

ROM stands for...

1. Random Orginal Memory
2. Role of Memory
3. Round Optical Mound
4. Read Only Memory

ROM can be...

1. Read, but not changed or deleted
2. Not read, but can be changed and deleted
3. Volatile, if not first deflated
4. Easily lost

KO:Understand basic computer hardware

Core:

Identify key pieces of input, output and storage devices and know their purpose in a computer