Computer History By: Deanna Cresci

Units Byte – A unit of 8 bits. Kilobyte - The standard unit of measurement for file sizes. Megabyte - The standard unit of measurement for RAM. Gigabyte - The standard unit of measurement for hard drives. Bit – it’s the smallest piece of data RAM - Random access memory is fast, temporary storage for your computer. Kilobit/megabit/gigabit – use to describe bandwidth speeds Terabyte - this is equal to 1,099,511,627,776 bytes.

Time line 1935 – IMB introduces electric type writer Hewlett-Packard is founded in Palo Alto, Calif – the military begins to use computers to simulate operations in the war games – the first case involving a computer, a bank programmer is convicted for making a computer ignore all his over draft checks – computer instrument makes its first hand held calculator – ¼ inch floppy disk was made apple makes Apple 2 as a personal computer – the world wide web was made – first CD player was made – Mac Book Air was made.

The first apple computer and laptop Steve jobs and Steve Wozniak first invented the computer for personal use. The computer was made in a garage and it took them six months for them to build. It was made in the early 1970’s. Xerox PARC made the first laptop on April it never made it to production but it inspired for the commercially available notebook.

What's a worm, virus, and Trojan horse? Worm – a worm is something that copies things already in the computer. It can be by its self and damages things that transport files and can infect other computers. Virus – A virus is a piece of computer code that attaches itself to a program or file so it can spread from computer to computer. Trojan Horse – A recent Trojan horse came in the form of an that included attachments that claimed to be Microsoft security updates, but turned out to be viruses that attempted to disable antivirus and firewall software.

Top 5 computer companies 1)Hewlett Packard – by: William Hewlett and David Packard founded an electronics company called Hewlett-Packard. 2)Verizon Communications – by: Verizon Wireless is a merger between 2 smaller companies formed on June 30, )Dell - by: Michael Dell 4)Microsoft - by: William Henry Bill Gates III 5)Intel - by: Robert Noyce, Gordon Moore, and Andrew Grove.

All of my sources… px

What if… I think in the future we will use computers that are all touch screen and none of them will plug into the walls. They will all be portable and they would come in all colors and designs