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Flash Drive

The Flash Drive is a small portable data storage device.

Pen Drive: Pen drive is a storage device which can store a large amount of data. It is
connected to a computer using a USB (Universal Serial Bus) port. It can be carried in
your pocket easily. Pen drive has storage capacity of upto 1 TB. Pen drive
Memory Card: It is commonly known as multimedia memory card. It is very small in
size. It is used in mobile phones and digital cameras. You need to have a card reader
to read the stored data on memory card. It has a storage capacity up to 2 TB.

Memory card

Timeline

The computer system is made up of two types of parts—Hardware and Software.
The hardware components of computers are the physical parts that make up the computer system.

The devices that are used to enter data into the computer and give orders are called input devices.
The devices which help us to get these results or outputs are called output devices.
A computer works on the IPO cycle (Input-Process-Output).
CPU (Central Processing Unit) is a processor, sometimes called a microprocessor.
Data refers to raw, unprocessed facts and figures that are collected for analysis, storage, or processing.
Information is the result of processing, organising, and interpreting data.
RAM and ROM are the two types of primary memory.
The data and instructions that are entered into the computer using input devices are stored inside
the memory.
Magnetic disk, Optical disc and Flash drive are the three categories of secondary memory.

Choose the correct option.

1. Which one of these is not a secondary storage device?
a. RAM b. DVD

c. Pen drive d. CD
2. Which of the following represents the working cycle of a computer?

a. IOP b. PPO
c. IPO d. OPI

3. Which of these displays the output from the computer screen on a larger screen?
a. Speakers b. Printer

c. Scanner d. Multimedia projector

#Computers 33