INTERNATIONAL INDIAN SCHOOL AL-MAJMAAH
SUMMATIVE ASSESSMENT WORKSHEET - 2 (2016-17)
SUBJECT: COMPUTER
DATE:
NAME:
GRADE:II
I.
Fill in the blanks:
1. The brain of computer is called CPU.
2. ALU is a part of cpu of computer.
3. Data is stored in memory of computer.
4. Computer does its thinking work in its Processing unit.
5. Charles Babbage is known as the father of computer.
6. Characters are written on Keyboard.
II.
Choose the correct answer and complete the following:
1. Data is a collection of numbers.
a) Facts
b) Numbers
c)Letters
2. The computer takes the data and works on it. This is called Processing.
a) Processing
b) business
c) output
3. Floppy Diskis used to store programs and application software.
a) Data
b) integrated circuits
c) Floppy Disk
4. Memory size is represented in bytes.
a) bytes
b) bits
c) bug
5. The most important unit of computer is CPU.
a) CPU
b)input
c) processing
6. The smallest piece of information is called BIT.
a) Byte
b) BIT
c) Backup
IISM,COMPUTER WORKSHEET,SA-2,2016-17,GRADE II
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III.
Write True or False:
1. ALU is the portion where computer does its calculation.
(True)
2. Input unit is a part of CPU.
(False)
3. Memory unit is a part of CPU.
(True)
4. Characters are written on CPU.
(False)
5. Anything connected with computer that can be touched
(False)
is software.
IV.
6. Mouse is an input device.
(True)
7. Light pen is used to write directly on the screen.
(True)
8. Plotter is used for playing games on computer.
(False)
Write the full form of the following:
1. ALU – Arithmetic and Logic Unit.
2. DOS – Disk Operating System.
3. RAM – Random Access Memory.
4. ROM – Read Only Memory.
5. VDU – Visual Display Unit.
6. IC – Integrated Circuits.
7. BIT – Binary Digit.
8. LAN – Local Area Network.
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V.
Question and Answer:
Q1. Who is the Father of computer?
Ans: Charles Babbage is known as the father of computer.
Q2. What is BIT?
Ans: BIT stands for Binary Digit. It is the smallest piece of information.
Q3. What do you mean by Character?
Ans: Character are written on Keyboard. They can be of three types:
digits, alphabets and special symbols.
Q4. Name the three units of computer
Ans : Input –––––––––>
–––––––––>––––––––––
>
Processing
Output
Keyboard –––––––> CPU –––––––>Printer
Q5. What is input and output unit?
Ans: Input unit – The data that you give your computer to work with.
Output unit – The answer or what comes out as result.
Q6. What do you mean by Data?
Ans: Data means number of items or facts. Data can be in the form of
words, numbers and Sounds etc.
Q7. What is called Processing?
Ans: Processing is the work that the computer does on the data.
IISM,COMPUTER WORKSHEET,SA-2,2016-17,GRADE II
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Q8. What is CPU?
Ans: CPU stands for Central Processing Unit. It is the brain of the
computer. CPU converts data in to information.
Q9. Name the three parts of CPU
Ans: The three parts of CPU are:
i.
ii.
iii.
ALU – Arithmetic Logic Unit.
MU – Memory Unit.
CU – Control Unit.
Q10. What is the work done by the three units of CPU?
Ans: Arithmetic and Logic unit – It is where the computer works out
all its calculation.
Memory unit – It is a part in a computer that stores information.
Control unit – It manage the various parts of computer.
IISM,COMPUTER WORKSHEET,SA-2,2016-17,GRADE II
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