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1. What is an input device? Writte down which input devices you know and post an image of each one.

An input device is any peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system (such as a computer).

Examples of input devices: Keyboards

2.What is an output device? Writte down which output devices you know and post and image of each one.

An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system (such as a computer) to the outside world.

Examples of output devices: Speakers Printer headphone

3. What is the difference between RAM and ROM?

The abbreviation RAM may refer to:Random access memory, computer memory that can be read from and written to in arbitrary sequence
Read-Only Memory, a class of storage media used in computers and other electronic devices. This tells the computer how to load the operating system.

4. What is a backing storage? Which types of backing storage do you know?

Computer data storage, often called storage or memory, refers to computer components, devices, and recording media that retain digital data used for computing for some interval of time.

EXEMPLES:
Hard drives

CD, DVD, and Blu-Ray drives

Floppy drives

Zip drives

USB Flash drives

CompactFlash cards

SD cards

Tape drives

1. What is data?
Data is information that has no meaning.
2. Explain the difference between data and information.
Data it isn't information, information it's data with meaning.
3. How many bits are in a byte? and in a gigabyte? and in a kilobyte or KB?
In a byte are 8 bites,in a gigabyte are 1.073.741.824 bytes, in a kilobyte are 1024 bytes
Serch the net for a image of: 25KB. Post it in your blog.
4. What do the letters LAN and WAN stand for?

LAN (Local Area Network) are the networks that you see in most offices and schools.

WAN (Wide Area Nework) They are usedwhen the computers that need to be connected togheter are in different places.
5. Search the internet and look for images that explains what is:

A star network

A line network

A ring network

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