Answer:
I would say D but I am not for sure
Disk Defragment Free will quickly defragment files on your hard drive,
optimize file placement and consolidate free space to ensure the highest
data access speed possible.
Answer: True
Explanation:
In Linux, a single quote around a string will prevent the shell from interpreting any metacharacter.
Answer:
Option a)
Explanation:
PC having a CPU with single core, for the most part actualize multithreading by applying time cutting.
Multithreading is a feature Java that permits simultaneous execution of at least two pieces of a program for greatest use of CPU. Each piece of this program is known as a thread. Along these lines, threads are light-weight forms inside a procedure.
Along these lines, fundamentally it switches between various procedures. Fundamentally it is "tricking" a bit,while CPU can do just a single thing utilizing a single center or core in turn yet pretends having more than a single core.