Computer Science -> Solved Exercise ->
Class - 7th,
Lesson No. 8 (Storage Devices)
CHAPTER - 8
STORAGE DEVICES
Exercise
- Computer memory is the electronic space in computer.
- There are two main categories of memories: Primary memory, Secondary memory.
- ROM means Read Only Memory and RAM means Random Access Memory.
- Secondary memory is also called External memory or physical memory or auxiliary memory.
- An external hard drive is a portable storage device and operates on a plug-and-play basis.
- The shining surface of a CD has micro pits and plats to store information.
- A pen drive is a portable Universal Serial Bus (USB). It is small enough to fit into a pocket.
- Data stored on memory cards can be read by using card readers and also with the help of data-cables.