what is computer? about function
Answers
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→Computer is an electronic machine . It stands for Commonly Operated Machine Purposely Used for Education Training and Research .
→A computer works on instructions fed into it in the form of input . It processes the result and gives the final output .
→A computer understands only Binary language i,e of the form 0's and 1 that means on and off.
★Functions of computers - These days , computers are finding their use in each and every field . They are used in :
• Schools in Computer Labs.
• Libraries to maintain records .
•Offices to carry out quick work.
•Booking railways and air tickets .
•Hospitals to maintain record of patients.
=> The main advantage of computers is that it can give accurate results in reaction of seconds . While the main disadvantage is that it needs instruction at each step along with high power consumption!
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A computer is a combination of basic and advance hardware and basic and advance software resources, used for various tasks such as performing calculations, maintaining databases and records, creating and manipulating files, playing games, listening to music, sorting and arrangement of data etc, creating fliers, brochures, presentations, documents and what not! It is powerful tool to perform all the above mentioned tasks along with a lot of other tasks too! Basic Hardware resources are the hardware resources that are necessary for a computer, ie, keyboard, mouse, and a monitor. Advance hardware resources include Printers, Scanners, Modems etc. Basic software resources are the software without which a computer can't run, ie, system software, which includes the OS, Device Drivers, Utilities and Language Processors. Advance software resources include general-purpose application software and customized softwares.