COMPUTER PARTS COMPARED TO HUMAN BODY

THE COMPUTER PARTS RELATED TO THE HUMAN BODY

It has been noted that a computer has the main parts and peripherals. These parts and peripherals work together to make the computer perform tasks or solve a particular problem. The human body is composed of cells into tissues into organs then into systems. Same also implies a computer, it is all based on circuitry cells working in a logical way to make the computer a useful device to man. Just like the parts of our body are very important to us since they help us in doing our work and enables us to communicate with one another, the computer parts also aid communication process between the computer system itself and the user.

COMPARISON OF THE PARTS

HEART - CPU - Central Processing Unit
It controls every activities of the computer. Also responsible for the processing of data into information just like the heart pumping blood round the body.

BRAIN - RAM - Random Access Memory
This stores data and information temporarily on a computer. It is also responsible for the starting up of a computer and running of programs. It's what a computer uses to remember things.

NERVOUS SYSTEM - Motherboard
This is a printed panel of physical arrangement in a computer that contains the computer's basic circuitry and components. It's like a communication channel between every parts and components of the computer system.

BRAIN - Hard Disk
This is a secondary storage on a computer used to back-up data and information. It is used to write information for future reference. You will agree with me that the human brain is incomparable.

MUSCLES - BUS
This is a collection of wires through which data is transmitted from one part of a computer to another. It is also a communication system that transfers data between components inside a computer or between computers.

MOUTH - Speaker / Printer
Both are output devices. They produce what the computer needs to give out.

HANDS - Mouse / Keyboard
Both are input devices. They are used to send in instructions and information into d computer.

EYES - Web cam
Web cam detect light and send signals through the optic lens to the visual and the computer to the CPU. Just exactly like how the eyes works sending visual signals to the brain through optic nerves.

EARS - Microphone
Microphone receives sound waves and sends it into the computer for processing. Ears for recognition.

FACE - Monitor
This is an output device. It has a screen which it uses to display what the computer is doing or how it feels. Just like the human face shows different expressions.

SKIN - System Casing
This gives the computer a definite shape. It defines a computer telling us more about it, how it responds to the conditions around. Same implies the human skin, it defines the human body.

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HOW TO CHOOSE AND GET A WORKING HOME OR WORK WIRELESS NETWORK

Things to consider when buying or choosing a home wireless networking

A secure wireless network makes sharing files between computers and devices (like a printer or phone) easy. WiFi lets you surf the internet using a modem and router, without messy cables. We look at how Wi-Fi works and the gear you'll need.

 

What Is A Wireless Network?

A wireless network connects multiple computers and devices (printers, phones, tablets etc.) together, without using cables. The devices "talk" to each other through a central hub called a router. This enables the computers and devices to:

*          Share files and documents.

*          Connect multiple computers to the one printer.

*          Enjoy multi-player gaming.

*          Load files from portable wireless devices, such as an phones and tablets.

What Are The Benefits Of Wi-Fi?

Wireless networks do away with messy cables. This leaves you free to wander around the house or office, while staying connected. New computers have Wi-Fi technology built-in, while older ones will require a USB adaptor.

Connect To The Internet

Most wireless routers come with a modem built into them. This enables all devices connected to the router to be simultaneously connected to the Internet.

Is It Hard To Set Up?

Not at all. The latest generation of networking gear (routers) comes with easy-to-follow wizards that guide you through the process. Simply plug in, follow the prompts and you're away.

What Are the Standards?

Wireless technology (Wi-Fi) is available in a range of standards. These refer to factors such as the data transfer rate and the operating frequency. The standard you choose ultimately affects your network's speed and its range (distance):

*          The top standard today is 802.11n.

*          This offers faster transfer rates and more range than the previous 802.11g format. 

Important Security Note!

If you do not take the necessary security steps, your network will be left wide open to anyone within range. They could gain access to files on your computers (this could include banking details or passwords). They could also download illegal content using your Internet account.

Some, but not all, of the ways to secure your network include:

*          Change the default administrator passwords.

*          Turn on the encryption to scramble the messages sent over the wireless network.

*          MAC (Media Access Control) restricts network access to selected devices.

Equipments needed for setup

1.         Router: The central device that communicates to all connected devices:

*          Choose a router with built-in modem for Internet access.

*          Also look for built-in firewalls for extra security.

*          Ensure it supports the latest 802.11n format.

2.         Network cable: While wireless does away with cables, they offer much faster ADSL transfer speeds, so it is always good to have the option.

3.         Wireless network adapter: This is important if the laptop or desktop you want to connect doesn't have Wi-Fi capabilities already built into it, or to upgrade your laptop Wi-Fi standards:

*          It's important to match the adapter to the standard of the router you're using.

*          USB adapters simply plug in, rather than being physically installed inside the computer.

*          Network adaptors are backwards compatible. This means an 802.11g device will work with an 802.11b device etc.

4.         Wireless access point: Think of this as a wireless extension cable to give you more range, so you can move further away without the signal being too weak.

5.         Extra range antenna: Makes your router signals more powerful, for extra range.

6.         Network printer: Connects to the network so multiple computers can print from it.

7.         Computer Devices: Are machines that are readily to be connected to the network such as PCs, Phones, Tablets etc.

8.         Modem: This is necessary if the router is not modem built-in.

Simple Home Wireless Network Choices

 

Router: A router with an in-built modem will connect to the Internet.

Standards: Aim for 802.11n.

Security: Make sure you secure your Wi-Fi network to ensure your files are safe.

Optional Extras

More range: Use a wireless access point or an extra-range antenna to increase the range of the network.

Network adapters: If your laptop doesn't have built-in Wi-Fi, you can buy a network adapter. 

 Edited by AdeDanCompTech 

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