8/20/2019

Class 8 | Chapter 5 | Computer Hardware and Software

Computer Hardware and Software
Write very short answers to the following questions:
a. Is register an input device?
Ans: No register is not input device.
b. Which memory is volatile RAM or ROM?
Ans: RAM is a volatile memory.
c. Which is a portable storage device these days?
Ans: Pendrive is a portable storage device these days.
d. Do you think that the computer is useless without an operating system?
Ans: Yes computer is useless without an operating system because without an operating system we cannot operate our computer.
e. Write one example of an assembler.
Ans: Pseudo Assembly is an example of an assembler.
f. Which type of software is designed to meet the specific requirements of an individual or organization?
Ans: Application software is designed to meet the specific requirements of an individual or organization.
g. Where is open source software available for users?
Ans: An open-source software is available on the internet and can be easily downloaded it.
Write short answers to the following questions:
a. Define computer hardware with some examples.
Ans: The physical or tangible parts which make the computer system is known as computer hardware. example: Keyboard, mouse, monitor, system unit, RAM, etc.
b. Differentiate between soft copy output and hard copy output. 
Softcopy output>>
1. The output produced on the display screen and audio sound is known as softcopy output.
2. This kind of output is not touchable.
3. This kind of output is temporary.
Hardcopy output>>
1. The output printed on the paper is called hardcopy output.
2. This kind of output is touchable.
3. This kind of output is permanent.
c. What is CPU? Write its major parts.
Ans: CPU (Central Processing Unit) is the main processing device in the computer which performs all operations of data according to the program's instructions and gives results. It is also known as the electronic brain of the computer. Its major parts are: Control unit, Arithmetic Logic Unit, and Registers.
d. What is primary memory? Lists its major types.
Ans:  


                                                                                                                                        

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