Inside the system unit(workbook)

 Computer, August 11,2020

Topic taught: Inside the system unit(Workbook)

Inside the System Unit

Q. 1. Select the correct option.

a. The RAM is known as a volatile memory of a computer. 

i. ROM ii. RAM

iii. both (i) and (ii)

b. The programs stored in ROM are prewritten by the manufacturer. 

i. ROM ii. RAM

iii. None of these

c. The motherboard is a thin plate that connects the different parts of a 

computer with the processor.

i. motherboard ii. hard disk

iii. RAM

d. Parth will use USB Port to connect a pen drive to a computer. 

i. USB port ii. VGA Port

iii. Power port

Q. 2. 

Give the full form of the following:

a. PROM - Programmable Read-Only Memory

b. DVD – Digital Versatile Disc

c. SMPS - Switched Mode Power Supply

d. RAM – Random Access Memory

e. IC – Integrated Circuits

Q. 4 Answer the following questions. 

a. Why is ROM called as a non-volatile memory? 

Ans: The data stored in ROM is not erased even when the power is switchedoff. Therefore, it is also known as non-volatile memory.

b. Explain the use of a Switched Mode Power Supply (SMPS).

Ans: It supplies power to all components inside the cabinet. It is required to convert the high voltage electrical power supply toa low voltage supply suitable for use by various devices of a computer.

c. Armaan wants to connect a keyboard and a mouse to the system unit.Which port will he use for the same?

Ans: PS/2

Q. 5 Identify the following pictures and name them.

a.

Hard Disk

b.

Pen drive

c.

CD (Compact Disc)

d.

ROM (Read Only Memory)

e.

RAM (Random Access Memory)