The answer is A, or Locating bottlenecks in a network.
From what my teacher taught us it would be c.
Answer:
The four types of maintenance in IT are given as:
Preventive maintenance: It is the important part to facilitates the management system and it should be designed carefully o prevent them from failure. the main aim of preventive maintenance is to successfully establish the design to improve the system performance.
Corrective maintenance: It basically refers to the changes made to repair the defects in the implementation and designing of the system. It is usually performed after the failure occur in the equipment. It also increased overall productivity of the system.
Perfective maintenance: It basically improve the performance of the system, efficiency and maintainability. This type of maintenance are initiated by the IT department.
Adaptive maintenance: It involves the implementation changes in the system to increase its functionality. It basically improve its efficiency and increase its capability. It is less urgent than corrective maintenance.
Windows, icons, menus, and pointers does a graphical user interface (GUI) interact with a desktop or laptop computer.
- Windows, icons, menus, and pointers
<u>Explanation:</u>
Graphics user interface (gui) made a big resolution on desktop or laptop or tablet or workstation industries. In olden days till 1994 still, people were using the black and white computer where a desktop consists of keyboard and printer and monitors where display color white and black.
If we open a picture it will display only in black and white so games are in black and white mode. After windows 3.1 we have seen color picture and mouse interface is used. Since technology developed and interface in GUI is also developed improved in windows icon menu and mouse pointer.
As technology developed we going back to a dark mode such as black and white mode.
<span>the process of determining if a computer program implements a simulation model as it is intended is known as verification.</span>
