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Smartboard
A smartboard is used in classrooms as a teaching tool. It is an
interactive board that displays information with the help of a projector.
Storage Devices
The devices that are used to store data are called Storage devices. There are many
storage devices to store our data or work, so that we can get it back whenever we need it.
Let us discuss about some of the commonly used storage devices.
Memory Card
A memory card is a storage device. It is mainly used in mobile phones,
digital cameras and other similar devices to increase their storage
capacity. It is very small in size and is easily portable.
DVD
These look like CD but they can store a large amount of data.
Pen Drive
It acts as a portable hard drive and is easy to use. Pen drive has storage
capacity of upto 1 TB.
Tech Fact
Now-a-days, cloud storage is very popular. In this type of storage, the data is stored over the
Internet. So, the user does not need to purchase and manage additional storage devices.
IPO CYCLE
A computer works on the IPO (Input-Process-Output) cycle. It receives input from the
user through input devices, processes it using the CPU and gives back the output using
output devices. This cycle is known as IPO cycle.
Computer System 11

