D. The word "food" is the most abstract because it is the least specific and does not specify what food it is exactly.
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Answer:
Viruses
Explanation:
virusues are designed to infect and cause damage to operating system files, computer registry, and other locations on the motherboard
The answer is Multitasking. NOS (Network Operating System) has the ability to execute more than one program at a time. It allows different programs to operate on the CPU, effectively giving each program a virtual copy of the CPU while preventing the program from directly manipulating the hardware. The NOS switches the CPU time from one task to another in order to create the idea that several tasks are being executed at the same time, but in reality, only one program is being executed.
