Note: Take a single 40 pages Single line Notebook for doing the
Holiday Homework for all the subjects.
MPVM : Ganga Gurukulam
Holiday Homework Sub :- Computer
Class 4
1. The main part of our computer is System unit. Without system unit a
computer is nothing. Draw and explain the diagram of system unit that
displays all its three parts.
2. Draw and write at least 2 points about the devices invented by
(i) Sir Christopher Latham Sholes (ii) Dr. Engelbart
3. Draw a diagram of working cycle of a computer that is the IPO cycle.
4. Fill in the blanks:-
1. The ________________ manages all the operations of a Computer.
2. Monitor is also known as_________________.
3. ______________ performs all arithmetic calculations and logical
operations.
4. ______________ is a set of instructions that enables the hardware
to work in a desired manner.
5. The devices through which we enter data and instructions are
called_____________.
5. Name the devices:-
1. A device used to record our voice and other sounds in a computer.
2. It is a device connected to the computer for capturing still images
and live videos.
3. It is a device that reads the text or pictures printed on a paper and
translates the information into a form that a computer understands.
4. A device commonly seen in video parlours for playing games.