Week 6 – Jss 1 Third Term Computer Lesson Notes

 WEEK SIX

 Advantages of using comuters for information processing include

	Tasks can be completed faster because computers work at amazing speed.
	Computers can process large amounts of data and generate error-free results, provided that the data is entered correctly.
	Computers can store enormous amounts of data for future use.
	The high reliability of components inside modern computers enables computers to produce consistent results.
	You can download any amount of material through computer.
	All your arithmetical problems can be easily sorted out through computer,
	Through video conferencing you can see each other and talk with any body living in any part of the world
	Efficiency and productivity can be raised.
	Running cost becomes lower in the long term.
	Tasks can be completed with little human intervention (i.e., automatic).
	Overall security can be raised due to less human intervention.
	Customer services can be improved due to more efficient management and operations.
	Computers with communicating capability can share data and information with other computers.

Disadvantages of using computers for information processing include

	Initial investment cost can be high.
	Extra cost is required to employ specialized staff to operate and design the data processing system.
	Some jobs may be lost due to computerization and thus lower the morale of staff members.
	Some staff has to be trained or retrained.
	Face-to-face interactions among staff may be reduced.
	Makes you vulnerable to cyber crimes One can be laud into cybercrimes or even be a victim
	Too much use of the computer a student can cause ill effect on his / her education

Exercise 1. What is computer processing ? 2. State 4 advantages of using computer for information processing 3. State 4 advantages of using computer for information processing

 Prolong Use of the computer can cause the following on our health

 

1. Lack of Physical Activity cause laziness.

1. Causes poor blood circulation Due to Using computer for long hours This causes fatigue in the limbs, painful cramps and blood clots.

1. Skipping meals : While working on a computer we often tend to forget to eat and end up skipping meals.

1. Can result in overeating and obesity : Moreover prolonged sitting and no movement causes fat to accumulate inside our bodies and risk obesity.

1. Poor sitting position/Poor posture causes body-ache

1. Causes headache : Using computers for long hours can cause severe headache

1. Poor eye sight : Constantly staring at the monitor screen stresses out our eyes and makes them dry and sore.

    

2. Can lead to insomnia : staying awake and giving up sleep to use computer and internet could cause adverse effects to the brain and health

    

3. Has an ill effect on education: Students can easily access social media sites and explicit contents which are biggest distractions for the youngsters.

1. Makes you vulnerable to cyber crimes: One can be laud into cybercrimes or even be a victim.

1. An unhealthy addiction : once you have become an active user it isn’t very difficult to get caught in the addiction.

1. Results in an Inactive social life

   People tend to spend more time on computer chatting with friends rather than going out and hanging out to spend time with them.

 EXERCISE
1. State 7 advantages of the computer
2. Mention 4 disadvantages