Introduction to Computers & Characteristics of computer - Computer Awareness Lesson 1

In this lesson we are going to learn about 5 Generations of Computers, History of Computers, Computer awareness Lesson, Computer awareness, Fundamentals of Computer, basics of computer, what is a computer.

Five generations of computers is discussed briefly. The characteristics of computer System, characteristics of computer System in English is briefly discussed we have given the transcript of this video below. Computer awareness for bank po, computer awareness for sbi po, computer awareness for ibps po all will be having importance to the basics of computer systems.

This lesson Fundamental of computer in English, computer awareness in English.

1. Concept of Computer System

A computer is an advanced electronic device that takes raw data as input from the user and processes this data under the control of set of instructions (called program) and gives the result (output) and saves output for the future reference and usage.

2. Characterstics of Computer

• Speed : A powerful computer is capable of executing about 3 million calculations per second.
• Accuracy : A computer’s accuracy is consistently high; if there are errors, they are due to errors in
instructions given by the programmer.
• Reliability : The output generated by the computer is very reliable as long as the data is reliable.
• Memory/Storage Capacity : The computer can store large volumes of data and makes the retrieval of
data an easy task.
• Versatility: The computer can accomplish many different things. It can accept information through various i/o devices, perform arithmetic and logic operations, generate a variety of outputs and forms, etc.
• Automation: Once the instructions are fed into computer it works automatically without any human
intervention.
• Diligence: A computer will never fail to perform its task due to distraction or laziness.
• Convenience: Computers are usually easy to access, and allow people to find information easily that
without a would be very difficult.
• Flexibility: Computers can be used for entertainment, for business, by people who hold different ideals
or who have varied goals.

 

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[cjenmtl]

You are
Thank you very much, friend!

[kaverigayamvlogs]

excellent explanation... keep continue sir...

[yuvarajchauhan]

Its helpful to me during preparation of banking examinations

[ParveenKumar-owew]

Sir ...like has so many reasons as to dislike memories in only digital format dependence, addiction... vacuums or no natural beauty identity