Class-5
Subject: Computer Science
Chapter -1 Uses of Computer (Solved Exercise)
A. Fill in the blanks.
1.
A computer is a
_____________machine which works on the principle of ___________cycle.
Answer: Electronic, IPO
2. A
computer always gives ___________results.
Answer: Accurate
3. Computer
hardware are the parts of computer which we can ________ and ____________.
Answer: See, Touch
4. Hardware
is divided into different categories on the basis of ______________.
Answer: their functions.
5. __________
is a set of program that tells computer to perform ___________task.
Answer: Software, Specific
B. Name the following:
1.
Two types of software’s ___________________________ _______________________
Answer: System software and Application software
2. Two
use of computer in banks ____________________ _______________________
Answer: Keep records of account holders and verify the cheques
of customer
3. A
processing device _______________________
Answer: Central Processing Unit (CPU)
4. Two
output devices _______________________ _______________________
Answer: Printer and Monitor
5. Two
storage devices _______________________ _______________________
Answer: CD and DVD
C. Write true or
false.
1.
System software is the manager of
application software _______________. T
2.
Application software helps in
doing some specific tasks. _______________. T
3.
Computers are used to add special
effects in movies. ___________________. T
4.
Computers are used in hospitals
to operate ATMs. _____________________.
F
5.
Bills cannot be generated using
computers. _____________________________. F
D. Answer the
following questions.
1. State the uses of
computer in hospitals.
Answer:
ü Maintain
medical records and treatment details of patients.
ü Perform
operations.
ü Research
ü Perform
medical tests and check-ups like CT scan and blood tests.
2. How computers are
helps in the field of designing?
Answer:
ü Architects
use computers to design houses and buildings.
ü Engineers
use computers to design houses scientific apparatus and equipments.
3. Differentiate
between computer hardware and software.
Answer:
Computer
Hardware: Computer hardware is the parts of a computer
system which we can see and touch.
Computer
Software: Software is a set of programs that tells a
computer to perform specific task.
4.
Define different types of hardware.
Answer: They are divided into different
categories:
Input devices: They are
used to provide input to a computer. Example- Mouse, Keyboard, Scanner etc.
Processing Device: This is
used to process the given inputs. Example-CPU.
Output devices: They give
the output. Example- Monitor, printer, speaker etc.
Storage devices: They are
used to store data. Example- Pen drive, CD, DVD etc.
5.
State any five features of computer.
Answer:
Speed: A computer works very fast.
Accuracy: A computer always gives correct
results.
Versatility: A computer performs a variety of
tasks.
Storage: We can store large
amount of data and information in the computer.
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