Question

Questioh NO.
.
• The main disadvantage of single
partition memory allocation scheme is
Answer
A. Complex to understand
B. Difficult to implement
C. Poor utilization of operating
system
D. Poor utilization of memory.​

Answer 1

Answer:

B. difficult to implement

Explanation:

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Answer 2

D. Poor utilization of memory.

Explanation:

• Memory waste and inflexibility are the major drawbacks of contiguous memory allocation.
• When allocating RAM to a file or a process, keep in mind that it will expand with time. However, many of the blocks assigned to a process or a file stay unutilized until it expands.
• If a process or file develops larger than expected, such as outside the allotted memory block, it will abort with the warning "No disc space," resulting in inflexibility.
• Contiguous memory allocation has the advantage of increasing processing speed.
• The head  movements are reduced because the operating system employs buffered I/O and reads the process memory blocks sequentially.
• The processing is sped up as a result of this.