WHERE COMPUTERS ARE USED.

You can read on HISTORY OF COMPUTING. here

AREAS WHERE COMPUTERS ARE USED.

The following are some of the areas where computers are used:

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Supermarkets.??

Supermarkets and other retail stores use computers for stock control, i.e., to help them manage their daily activities.

The stock control system keeps a record of what is in store, what has been sold, and what is out of stock.?The Management is automatically alerted when a particular item or item is running out of stock and needs to be reordered.

• For calculating the customer’s Balance.
• It can be used as a bar-code reader.
• For the production of receipts.

Industries.?????????

????The use of computers has made Industries more productive & efficient.?They are used:

• To monitor and control industrial processes.?Industries use remote-controlled devices called?Robots.?A?Robot?is a machine that works like a human being but performs tasks that are unpleasant, dangerous, and tedious to be done by human beings.
• For management control, i.e. to keep track of orders, bills, and transactions.
• By companies as a competitive tool.?E.g., they are used to assist in defining new products & services.?They also help industries form new relationships with suppliers and therefore, enable the producers to maintain a competitive edge against their competitors.
• For advertisement purposes, which enable an industry to attract more customers.

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Banks/Insurance industries???

Computers are used by Banks & Insurance industries:

• To manage financial transactions.?They use special cash dispensing machines called?Automated Teller Machines (ATMs)?to enable them to provide cash deposit & withdrawal services.
• For the processing of Cheques.
• For the preparation of Payrolls.
• For better record-keeping and processing of documents.
• To provide electronic money transfer facilities.

Process control.

Computers are used in production environments such as factories to control chemical & mechanical processes.?The computers are usually loaded with specialized programs & each computer is designed to do a specific job.

Hospitals.

Computers are used in hospitals:

• To keep & retrieve patients’ medical records.
• For automatic diagnosis of diseases like Cancer, electro-cardiogram screening & monitoring.

They are used to get a?cross-sectional view of the patient’s body?that enables physicians to properly diagnose the affected part of the body with high levels of accuracy.?

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