Answer:
Replacing computer parts.
Explanation:
John replaces faulty computer parts, such as DVDs, hard drives, ram cards, wires etc. John can also replace the whole motherboard or clean it (for dust).
Computer parts not functioning properly or dying is a common problem in computer systems. Motherboard, the circuit that holds all the components of a computer, like CPU, Ram and Hard disk, can also fail or die.
The full word of the abbeviation OS?
It is Operating System. Like Apple's OS or Microsoft's OS.
This question relates to Propositional logic. Thus, the propositions as defined are:
A = Gets office position
B = Works hard
C = Gets a bonus
D = Go on a trip.
<h3>What is the logical argument?</h3>
The logical argument is notated as follows:
((A∧B)→C)∧(C→D)∧(¬D),∴((¬A)∨(¬B))
<h3>What is a propositional logic?</h3>
A proposition is an assertion that can only be one of two things: valid or wrong. It can never be both.
Learn more about propositional logic at;
brainly.com/question/16783205
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