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.
Q1:
1. Go into the bathroom
2. Put toothpaste on the toothbrush
3. Place head of toothbrush on your teeth
4. Revolve in small circles
5. Repeat 4 for all of your teeth
6. Use water to wash away the toothpaste in you mouth
The answer is C) PCIe graphics adapter, because it is not required for the computer to work.
The numbers of items that the user can include in the rule is the top or bottom 100 items only.
<h3>What is Top/Bottom Rules?</h3>
Top/Bottom Rules is known to be a rule where there is a premade form of conditional formatting which is often used in Excel to alter the set up of cells in a range.
Note that the Top/Bottom Rules will allow a user to make changes to the top or bottom 100 items only as it only pertains to things that are up and those that are at the bottom.
Learn more about Top/Bottom Rules from
brainly.com/question/1862654
