Answer:a) Mainframes, miniframes, PCs, desktop Internet computing, mobile computing
Explanation: The hierarchy of the computers or computing are in the generation is:-
- Mainframe:-designed for the execution of huge data processing , storage and execution.
- Miniframe:-has similar functioning as the mainframe but on smaller scale and version.
- Personal computer(PC):-It is designed for the individual purpose and according the need of the user.
- Mobile computing:-computing that can be done on the mobile phone similar to the computing on the personal computer
- Internet computing:-the computing of the mobile and computer system with the facility of the internet connectivity.
Answer:
Simple Mail Transfer Protocol (SMTP) is the standard protocol for sending emails across the Internet.
Answer:
Command: Systemoutprintln (b)
Output: 7
Explanation:
To solve this problem, we must take into account the precedence of operation.
The division takes precedence before the addition, so we must divide before we add for b.
So
int b = 4 + 6/2 = 4 + 3 = 7.
So
Command: Systemoutprintln (b)
Output: 7
Choose Start→All Programs→Windows Virtual PC and then select Virtual Machines. Double click the new machine. Your new virtual machine will open onto your desktop. Once it's open, you can install any operating system you want.
