| A | B |
|---|
| 1st Generation | vacuum tubes |
| 2nd Generation | transistors |
| 3rd generation | intergrated circuits |
| 4th Generation | microprocessors |
| ENAIC- so much heat | 18000 vacuum tubes |
| ? transistors better than vacuum tube | smaller, less heat, more reliable, cheaper |
| ? vacuum tubes = 1 transistor? | 40 |
| what were microprocessors orginal purpose? | calculators |
| first kit offered to the public | Altair 8800 in 1975 |
| first computer offerd to the public complete | Apple II in 1977 |
| computer chip | Robert Noyce & Jack Kilby |
| Who started Intel? | Robert Noyce |
| monolitic intergrated circuit | millions of transistors on a chip |
| 1 bit | on or off of electricity |
| 1 byte | 8 or more bits equal one character |
| 1 kilobyte | 1024 bytes (thousand) |
| 1 megabyte | 1,024,000 bytes (million) |
| 1 gigabyte | 10,73,741,824 (billion) |
| 1 terabyte | 1,099,511,627,776 (trillion) |
| language of the internet | tcp-ip |
| tcp-ip | Transfer control protocol-internet protocol |
| hardware | physcial components of a computer |
| software | set on instructions tell the computer what to do |
| ram | temporary memory storage |
| rom | cannot be modified, it is mainly used to distribute firmware |
| ram | random access memory |
| rom | read only memory |
| internet browers | Software applications used to retrieve, access, and traverse the worldwide web |
| operating system | software, consisting of programs and data, that runs on computers and manages the computer hardware and provides common services for efficient execution of various application software. |
| cpu | central processing unit |
