Answer:(1) To manage the computer's resources, which includes central processing unit, memory, disk drives, and printers, (2) To establish a user interface
(3)To execute and provide services for applications software.
The old mainframe computers have
(1) low memory sizes
(2) slower connectivity speed
(3) Larger sizer
(4) low sophistication.
Explanation: Operating system is a system software that manages the computer resources,helps to establish user interface and it helps to provide services for application softwares.
Operating system software includes WINDOWS X,WINDOWS 7,WINDOWS 8,LINUX,etc.
Mainframe computers are computers used by large multinational companies for processing bulk data. Old mainframe computers were produced by IBM(INTERNATIONAL BUSINESS MACHINE) in the year 1952 they are classed two scientific and commercial mainframe computers with different information although they had some incompatibilities. Old mainframe computers are large in size with low processing speed, sophistication and storage compared to present day system.
Answer:
Delete and block the email. It is obviously a scam.
Add-on:
I hope this helped you at all.
Answer:
I was actually just looking to help with someone's schoolwork. . .
Explanation:
Answer: They are forms of of carrying data from communication devices. The difference is the medium where the signal travels.
Explanation:
Hi, the difference between guided and unguided media is that in the guided media, the signal travels through a physical medium whereas, in unguided media, the signal travels through the air.
Guided and unguided media are types of transmission media.
The transmission media carries electromagnetic signals, that transmit data between communicating devices like computers.