Under The Hood

By: Angeles Meirik 1* February 2013

Places to Save your Files• Flash drive• Email• Burn a CD• Student drive• Hard drive

3 Types of SoftwareSystem Software: ( the code that boots the computer and controls the devices, resourcesand applications). People know this as Windows,

Mac, Linux, Unix, etc. This is typically read from a disk and loaded

disk and loaded into RAM, although it could alsobe manifested as PROM, in which case it is read from non-volatile memory.Application Software: This is software that canbe written for a platform such as Windows, or intoday’s world, a web-based application that usesthe Network and System software noted above.Apps-a-million is all I can say. Some are brilliant, and the rest are aborted works in progress.Data: Program that merges files from several databases, extracts, filters, and summarizes the data without loss of integrity and without interference, and presents it in an easy to use format. Also called data extraction software .

5 Pieces of Hardware1.) The Motherboard: The motherboard holds the CPU (Computer Processing Unit), Slots for the RAM, Connectivity outlet slots for your hard drive, and slots for your video card. 2.) The CPU: It's is the brains of the computer. Sometimes it is also called the processor or central processor.3.) The Hard Drive: Where all the files are stored; inside your computer; There

is also external hard drives you can buy.

4.)RAM: Random Access Memory; computer memory available to the user for creating,loading, or running programs and for the temporary storage and manipulation of data, in which time of access to each item is independent of the storage sequence.  of the storage sequence. As a storage medium, RAM is volatile, so its contents are lost when the power fails or is turned off. 5.) The Disk Drive: a device that, using an access

mechanism under program control, enables data to be read from or written

on a spinning magnetic disk, magnetic disk pack, floppy disk, or optical disk.

5 More Pieces of HardwareKeyboard: without the keyboard you can’t install an operating system to

the PC and you can’t tell the PC what to do.Monitor: displays everything you are doingMouse: a palm-sized, button-operated pointing device that can be used to

move, select, activate, and change items on a computer screen. UPS: All about the UPS, also known as an Uninterruptible Power Supplies or a

battery backup. Floppy Disk: a thin, flexible plastic disk coated with magnetic material, on

which data and programs can be stored for later retrieval: used mainly with microcomputers.

10 Important Events In Computer History

1995: Open BSD and Microsoft Windows 95 came up during 19951996: Windows NT 4.0 hit the computing market in 1996.1998: 1998 witnessed the release of Windows 98 as well of Solaris 7.2000: Windows 2000, which hit the markets in 2000, was the first Windows

server operating system to drop the 'NT' suffixed to its name. Windows ME, which was sold during this year, was the last operating system in the Windows 9x line. Red Hat Linux 6.2E also came up during 2000.

2001: Windows XP was launched and soon gained a wide popularity. Windows XP 64-bit edition followed in 2002.

2002: Windows XP Service Pack 1 was released in 2002.2003: witnessed the launch of the Windows 2003 Server as also the release of

Red Hat Enterprise Linux 3.2004: Windows XP Service Pack 2 was released in 2004.2006: Windows Vista hit the markets2008: Windows Vista Service Pack 1 and Windows Server 2008 came up in

2008. It was also during this very year that Windows XP Service Pack 3 was released.

9 Measurement Terms and RAMBits (B) - 0's and 1's lowest form of measurement off or on

Nibble - 4 bits or half a Byte

Byte (B) - is one Character consisting of 8 binary digits

Kilobyte or KB - equals 1024 Characters or consisting of a half page of text

Megabyte or MB - equals 1,048,576 Characters or one typical novel

Gigabyte or GB - equals 1,073,741,824 characters or 1 thousand novels

Terabyte or TB - equals 1,099,511,627,776 characters or entire library

Petabyte (PB)-1,024 Terabytes

Exabyte (EB)-1,024 Petabytes

RAM- Random Access Memory; computer memory available to the user for creating,

loading, or running programs and for the temporary storage and manipulation of data.

First PC• John Blankenbaker created the first PC• Only 40 machines were ever built and sold. It was designed and

invented by John Blankenbaker of Kenbak Corporation in 1970, and was first sold in early 1971. The system first sold for US $750. Only around 10 machines are now known to exist worldwide, with various collectors. In 1973, production of the Kenbak-1 stopped as Kenbak Corporation folded.

First Laptop

The laptop was invented by Adam Osborne in 1981. It was called 'Osborne 1' and cost $1,795.

Virus, Worm, and Trojan Horse

• Virus: a software program capable of reproducing itself and usually capable of causing great harm to files or other programs

• Worm: a self-replicating malware computer program. It uses a computer network to send copies of itself to other nodes

• Trojan horse: a program that claims to rid your computer of viruses but instead introduces viruses onto your computer.

5 Major Companies and Their Founders

• Apple : Steve Jobs, Steve Wozniak, and Ronald Wayne

• Dell: Michael S. Dell • PC: John Blankenbaker• Hp: Hewlett Packard• Toshiba: Hisashige Tanaka

Future

I think that the computers and laptops will be holographic. You will be able to talk to the computer and it will be able to type what you are saying.

Works Cited• http://www.businessdictionary.com/definition/data-manag

ement-software.html• http://wiki.answers.com/Q/What_is_the_5_pieces_of_co

mputer_hardware• http://www.techiwarehouse.com/engine/b685817b/What-

Does-a-CPU-Do• http://answers.yahoo.com/question/index?

qid=20071123223957AArmSUC -http://dictionary.reference.com/browse/RAM?s=t

• http://www.buzzle.com/articles/computer-history-full-timeline.html

• http://en.wikipedia.org/wiki/Kenbak-1