In the 1920s. If that helps at all... :]
first
History of computer is divided into 5 generation. The first generation of computer started form 1941 till 1956. In this generation vacuum tubes are used in computers and computers are big enough that one computer could be such big as a whole room.
importance of computer
Roughly 1958, when IBM introduced their 7090 scientific computer.
2ng generation. It used transistors and magnetic core memory
The exact date of 1st generation Computer is May,1941.
sure
A diagram that explains the generation of the computer can be found on the Scribd website. First generation computers used vacuum tubes.
osborn 1 the name of computer its cost is $1795
yes
Charles Babbage
The 3rd generation of computer started in 1964, which was the year BASIC appeared to public the first time. Disclaimer: There may be other programming languages came out in 1964 but earlier than BASIC.