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.
Mostly firewalls may protect trace route to the host IP address.
<u>Explanation:</u>
When telnet has established the connection to a remote host. Then kindly check the host IP address and their gateway settings.
If any resident firewall such as antivirus is stopping the ping method or gate way firewall is protecting both ends during trace route. Once the connection is established don’t worry about trace route on host IP address.
Kindly check where the disconnections happens during the trace route. in case it happens in between then they're stability on the connection issue which should be solved immediately.
Answer:
The answer to the following question is the option "b".
Explanation:
In the computer system, Hard disks stand for the hard disk drive. It is also known as a hard disk. It locates inside the computer case. The hard disk drive is used to store an electromechanical data. That uses magnetic storage device that store and retrieve data. So the answer to this question is hard disks.
