Fuses are present in many electrical devices. They are basically fire-breakers

If there is a power surge, the fuse will break, preventing damage to the electrical devices. It will also prevent the incidence of fire on or from such device.

Physics

The internet and the world wide web (www) isn't the same thing.

The internet is formed from the joining or linking of different networks.

For instance, Google's network, Facebook's network and Yahoo's network are among the many other networks that make up the internet.

World Wide Web on the other hand is a collection of linked pages (for instance, this page you're on).

There are actually billions of linked pages in various servers around the world.

You require the internet and a web browser to get to access the World Wide Web

Please read more on the internet here

ICT

Homonyms are words with the same spellings, same sounds but different meanings.

Below are some sentences containing homonyms with their respective meanings:

• Keen

We have a keen match against Ronaldo’s team and Messi seems to be keen.

Keen: An involvement of people competing very hard for something.

Keen: Very interested in something.

• Tear

Regardless the tear you shed, Mr. Frank will still tear your examination scripts.

Tear: The drop of liquid that comes out from a person's eye when they cry.

Tear: To damage something by pulling or cutting it apart.

• Jot

There isn't any jot of truth in what he said, so I didn't jot anything down.

Jot: A very small amount of something

Jot: To write something quickly

Please read more on homonyms here

English

Types of Networks based on geographical size

1. Personal Area Network (PAN): An instance is a Bluetooth connection between two devices.

2. Local Area Network (LAN): This is the network under a single administrative control and usually within a building.

3. Campus Area Network (CAN): This network connects various devices within a campus or college

4. Metropolitan Area Network (MAN): This network connects two offices or companies within a city.

5. Wide Area Network (WAN): This network connects devices throughout the globe. The internet is a typical example of a WAN.

You can read more on the types of network based on geographical size here

ICT

Consumer protection refers to the ways or methods through which consumers enjoy maximum satisfaction from the goods they buy and services rendered to them.

The agencies of consumer protection assists in protecting the consumer rights. These agencies may also be referred to as the organs of consumer protection. Basically, we have three of them, they are:

1. Government Agencies

2. Independent Agencies

3. Legislation

Please read on consumer protection here

Business Studies

One of the responsibilities of the government of every nation is to set up agencies or organizations that will protect the interest of the consumers and invariably, the people.

Below are some of the government agencies of consumer protection:

• National Drug Law Enforcement Agency (NDLEA)
• National Agency for Food, Drug Administration and Control (NAFDAC)
• Consumer Protection Council (CPC)
• Rent Tribunal
• Ministry of Health
• Ministry of Commerce
• Ministry of Transportation
• Ministry of Environment
• National Wages and Salaries Commission

Please read on the government agencies of consumer protection here

Business Studies

Cooperation can be defined as the process of coming together, working together and helping one another to achieve a common goal

According to A.W Green

Cooperation is the continuous and common endeavor of two or more persons to perform a task or to reach a goal that is commonly cherished

According to F.E Merrill

Cooperation is a form of social interaction wherein two or more persons work together to gain a common end.

There is this saying from the chairman of Microsoft concerning cooperation; and it goes thus:

Our success has really been based on partnerships from the very beginning - Bill Gates

Read more on cooperation here

Civic Education

Types of Cooperation:

• Direct cooperation
• Indirect cooperation
• Social cooperation
• Religious cooperation
• Financial cooperation
• Community cooperation
• Occupational cooperation

Please read the details on the types of cooperation here

Civic Education

Anarchy is one of the forms of government. Ironically, it is the absence of government in a society, country or state.

An instance of anarchy occurred in Somalia in 1991 after a dictator name Said Barre was overthrown. This made Somalia disintegrate into fractions with local warlords imposing their authority over their land/area.

Other forms of government includes:

1. Oligarchy
2. Colonialism
3. Monarchy
4. Communism
5. Federalism
6. Dictatorship
7. Democracy
8. Meritocracy
9. Autocracy
10. Aristocracy

Please read on the various forms of government here

Government

Democracy is a form of government where the power of choosing a leader is vested on the people. It represents a government of the people, by the people and for the people.

According to Abrahim Lincoln, democracy means government of the people, by the people and for the people.

In democracy, the citizens have the rights to vote and be voted for. The citizens are mandated to choose their preferred candidate by voting for them through their political party. In fact, this voting process is considered as one of the civic responsibility of every citizen.

Please read on the fundamental human rights here.

Note: No one is above the rule of law in the democratic system. If the election outcome does not reflect the mandate of the people, a court of competent jurisdiction can nullify such election.

Democracy is practiced in countries like Nigeria, United States of America, India and South Africa.

Please read more on the characteristics of democracy here.

Government

A food chain is a diagram that shows the relationship between plants and animals within a habitat on the basis of how they rely on each other for food.

Note: Habitat is a place where an organism live. It is of three types:

• Terrestrial (Land)
• Aquatic (Water)
• Arboreal (Treetops)

You can read on food chain here

Biology

Functions of a router:

1. They ensure that data (preferably called packets) make it to their intended destination.
2. They ensure the security of data to some extent.
3. When a network becomes too big within a Local Area Network (LAN), routers are used to separate such networks.
4. They connect different networks. This is the very reason why you are able to access the internet. (The internet's network and your service provider's network are different; but thanks to the router for connecting them).
5. Multiple devices in the home or office can access the internet through the router, (and with a single IP Address). The term associated with this process is referred to a Network Address Translation (NAT)

Please read on types and functions of router here

ICT

The term Biology originated from two Greek words. They are:

• Bios: means life.

• Logos: means knowledge or to study.

Biology can therefore be defined as the study of life

Anything that has life is generally considered as a living organism (or organism). All living organisms must be able to carry the following activities:

1. Movement

2. Respiration

3. Nutrition

4. Irritability or Sensitivity

5. Growth

6. Excretion

7. Reproduction

8. Death

9. Adaptation

10. Competition

The above listed points are often regarded as the basic characteristics of life. You can memorize them using the acronym -> MR. NIGER DAC.

You can read on the introduction to biology and the basic characteristics of life here

Biology

Scale of Preference can be defined as the list of a person's needs or wants written in an order of importance.

When you have a limited amount of money and could only buy some of the items on your list (that is, the important items to you); then the remaining items that you didn't buy will be generally considered as your opportunity cost.

Opportunity cost can be defined as the value of the best alternative that a person could have achieved or bought but couldn't achieve after the best choice had been achieved.

Opportunity cost are of two types. They are:

1. Explicit Opportunity Cost

2. Implicit Opportunity Cost

Please read on scale of preference, opportunity cost and the types of opportunity cost here

Economics

Physics is one of the core sciences.

Physics is defined the scientific study of matter and the movement of matter through the space and time of the universe.

Understanding the basic and fundamental concepts of physics will help you better comprehend this subject. Below are some of the concepts:

1. The laws of motion (Classical Mechanics)

2. Electromagnetism

3. Relativity

4. Thermodynamics

Please read on the basic introduction of the above physics concept here

Physics

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