Classwork Series and Exercises {Computer Science – JSS1}: Types and Uses of Computer

Computer Science

JSS 1 Week 3

Topic: Types and Uses Of Computer

Types Of Computer

1. Analog Computer: Analog computers are computer that operate on value represented in form of continuous variables. That is, they are used for measuring physical condition, such as temperature, speed, pressure, e.t.c example are thermometer, barometer, volt meter, speedometer.
2. Digital Computer: Digital computers are computer that operate on data that represented in the form of discrete values. i.e they operate on digits or number. They are used for performing mathematical and logical operation on data. E.g. digital computer, programmable calculator, digital wrist watches, score board
3. Hybrid Computer: Hybrid computers are computer that combine they operation of analog and digital computer. That is they are used for both measurement and calculations. They are used in a specialized area such as scientific and technical application as well as researched institute. E.g. dispenser, exploration machine, weather forecast equipment.

Uses and Application Of Computer

Computer system has wide area of application ranging from schools, banks, hospital, government, parastatals, scientific research.

Uses Of Computer In School

1. It is used in keeping record and files of student and the entire school and staff
2. It is used for preparing examination question
3. It is used for preparing student result
4. It is used for classroom learning
5. It is used by teachers and student for making research.

Uses Of Computer In Hospital

1. It is used for keeping patient records
2. It is used for diagnosis of patients ailment
3. It is used for measure body temperature
4. Analog computer is used to measure body pressure

Uses Of Computer In Banks

1. It is used to calculate loan and money withdraw or deposit
2. Computer is used for keeping staff record
3. Computer is used to keep customers record
4. Computer is used to carryout daily banking transaction.
5. Computer is used for money transfer

Advantages Of Computer

1. Computer makes work to be easy, fast and accurate
2. Computer can store large volume of data
3. Computer can be used to provide security to document
4. Computer can perform more than one task at a time
5. Computer can be used to send electronic mails to friend.

Disadvantages Of Computer

1. Computer is very expensive
2. Computer depends on electricity mostly
3. Computer cannot operate on it own without human effort i.e. it is an electronic idiot
4. Computer can be used for fraud.

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