Computers have some important features which have made them so popular. A Computer can be categorized according to
- Speed
- Accuracy
- Versatility
- Reliability
- Power of remembering
- Diligence
- Storage
Speed
Computers work at an incredible speed. It can carry out instructions at a very high speed. A powerful computer is capable of performing about 3-4 million simple instructions per second. It can perform arithmetic and logical operations within a fraction of second.
Accuracy
Computer provides a high degree of accuracy. Computers perform all jobs with 100% accuracy. The degree of accuracy of a computer depends on the instruction and processor type.
Versatility
Computer is versatile in nature. It can perform different types of task easily. At one moment user can use the computer to prepare a letter document and in the next moment they may play music or print a document.
Power of remembering
A computer can store and recall any information because it has secondary storage. All information can be retained as long as desired by the user and that can be recalled almost simultaneously and accurately even after several years.
Diligence
Computers can perform long and complex calculations with the same speed and accuracy from the start till the end. Being a machine, a computer does not suffer from the human traits of tiredness and lack of concentration.
Storage
Large volume of data and information can be stored in the computer and also retrieved whenever required. Computer has two types of storage. They are Primary storage and Secondary storage.
- In Primary Storage, a limited amount of data can be stored temporarily like RAM, ROM.
- Secondary storage can store a large amount of data permanently like floppy and compact disk.
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