Answer:
Hold the CPU fan so that it won't spin and blow this with compressed air.
Explanation:
While cleaning the computer system from the inner side then we have to follow some steps.
- Firstly, shut down the system properly and remove it from the power supply.
- Then, open the cabinet of the computer system.
- Then, clean the internal parts of the system through simple air pressure and hold the CPU fan during that time to avoid spinning.
- Clear the dirt layer using the can of compressed air over the cabinet fans.
Answer:
D. Refrigerants
Explanation:
In the United States of America, the agency which was established by US Congress and saddled with the responsibility of overseeing all aspects of pollution, environmental clean up, pesticide use, contamination, and hazardous waste spills is the Environmental Protection Agency (EPA). Also, EPA research solutions, policy development, and enforcement of regulations through the resource Conservation and Recovery Act .
The Clean Air Act Amendments of 1990 prohibit service-related releases of all refrigerants such as R-12 and R-134a. This ban became effective on the 1st of January, 1993.
Refrigerants refers to any chemical substance that undergoes a phase change (liquid and gas) so as to enable the cooling and freezing of materials. They are typically used in air conditioners, refrigerators, water dispensers, etc.
Answer:
for me personally, it would help if the items were rearranged with like items, for example: snow, sleet, rain, and hail would go together.
so the list should look something like this:
<u>weather conditions</u>
<u>fruits</u>
- strawberry
- banana
- apple
- orange
<u>sports</u>
- football
- soccer
- tennis
- rugby
hope i helped <3 have a nice day
Answer:
The design model is the description of the model to be implemented, the analysis model is the model that links the design and the system or domain model while the domain model is the entire software implementation.
Explanation:
The domain model is the conceptual aspect of software engineering that comprises operational and data features. The analysis model is the schematic description of the system that links the design model to the system domain. The design model is also known as the object model as it shows an abstract representation of the implementation. It helps to test the quality of the software been developed.
Answer: keeps confidential documents secure,
displays a GUI, allocates the computer's resources, and retrieves files
Explanation:
The operating system can be defined as the software installed in the system that provides the information and services to the users by controlling the hardware, software resources, and regulates the computer programs. It runs the applications and programs in the system, displays the graphic user interface for the services, stores, manipulates, and retrieves files. It prevents the unauthorized access to the data and programs by using passwords thus provides the security to the system and documents.
