Main Frame computers with carded data entry
Apple computers are in almost every major city on the planet. Same as Microsoft computers. Microsoft computers are used by businesses that do a lot of administration. Apple computers are used by creative businesses such as architects and magazines publishers.
Computers can be used for many things. They are used for work, for businesses, for schools, and to connect with people all over the world.
Computers.
No, generally the first computers were too expensive for businesses to afford.
The computers that are most popular are Windows computers. Windows based computers are used in most businesses and are widely accepted as the standard in schools as well.
There were none in the classrooms where I attended, but I can't say about the offices for sure.
LCD monitors are used for computers as well as televisions and cells phone displays. They are used in homes, businesses, and by the military.
Mini Computers Are The Most Common And Used By Households And Small Businesses
A student using the computer in a library
People use a remote support tool for their phones or computers when sharing, transferring and receiving data. It can also be used to access your computer via the internet, it is used by many people including large businesses.
In the 1970s, computers were used in banking and for the (then quite new) credit card systems. They were also used in universities and large national organisations requiring computing power - such as the Meteorological Office in the UK (for weather forecasting) and NASA in the USA. Most offices did not have one and virtualy no one used one at home. There were a limited number of personal computers, much larger than today's standalone computers (and very much large than laptops!). These just used a keyboard for input and a screen (VDU) that only displayed lines of text. These would have been used on some offices - with no Internet or other connectivity and very limited (black and white) printing.
Yes, many different types of businesses use web conferencing. Web conferencing can be used for large businesses, small businesses, schools and organizations.