I'd sure reset my password because I don't want to lost my email
Hi pupil here's your answer ::
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They are needed because of the following reasons :
》The storage capacity of primary memory is limited.
》 Primary memory (RAM) is volatile in nature.
》 RAM is not portable memory.
》 RAM chips are expensive. Increasing RAM will increase the price of the computer.
So, for the above reasons we need to use the Secondary memory devices.
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Hope this helps . . . . .
There are various connectivity technologies that we use to connect. They are Ethernet, Internet (Wireless Connection), Bluetooth, Wi-Fi and Cellular.
Explanation:
- Ethernet is the direct connection among the devices that are located close to each other in a building. This is used for small scale enterprises.
- Wi-Fi lets wireless connections among multiple devices without any physical connection. And it is most extensively used in most of the corporate companies.
- Bluetooth is used to transfer the data from one device to the other when they are near.
- Cellular is used to connect people across the globe. And it is used widely in every enterprises.
They both need electricity. Both used in the kitchen.
