Mainframe
Each user of the same computer uses what we call CPU. The more CPU the slower your computer and Internet speed will be. You can have multiple users logged on at the same time which will slow your download and upload speed.
This type of software works with end users, application software, and computer hardware to handle the majority of technical details.
network
A computer or web host that is dedicated to providing the processing power to maintain and handle chatting. They are able to handle all the users who are on the chat site or in the chat rooms at the same time.
People who use the computer are often simply known as "users".
As administrator, you can create unique 'user accounts'.
Start->Control Panel->User Accounts->Create a new account
A system for multiple users may have many computers and peripheral devices.
Advanced Computer users.
Which of the following are large, expensive, powerful computers that can handle hundreds or thousands of connected users simultaneously and store tremendous amounts of data, instructions, and information? MAIN FRAMES
Windows Vista and XP don't allow multiple users to log on at the same time. Linux, Windows 2000, Windows Server 2003 and Windows Server 2008 allow multiple network users to log on remotely via Remote Desktop. Hardware is available that allows multiple monitors, keyboards and mice to be connected to a machine and multiple users to log on, but generally it is awkward to use, slows the computer down and causes problems with graphics drivers.
No. Multiuser operating systems create a shell for each user. It would be possible to see what each users was doing from a system administrator viewpoint but not form the normal logon window.