Answer : C project planning
The technician should document all that was done to try to solve the problem. A detailed record is a good practice to find solutions.
A detailed record documenting all steps by which a problem was solved is a good practice for technicians.
This documented record will help the computer technician to find the cause the next time.
Clear, accurate records support decision-making and solving problems in any job and profession.
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My guess would be B and D.
Windows 1.0 was only a shell program
The operating system for Windows 1.0 was MS-DOS
