USB snap drive
USB flash drive
USB memory maker drive
None of above
✅ The correct answer is option B.
Computer
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252. What scheduling algorithm allows processes that are logical runnable to be temporarily suspended?
preemptive scheduling
non-preemptive scheduling
FIFO
FCFS
✅ The correct answer is option A.
253. Which of the following resources must be protected by the operating system?
I/O
Memory
CPU
All of the above
✅ The correct answer is option D.
254. What hole will allocates in “Worst-Fit” algorithm of memory management?
It allocates the smaller hole than required memory hole
It allocates the smallest hole from the available memory holes
It allocates the largest hole from the available memory holes
It allocates the exact same size memory hole
✅ The correct answer is option C.
255. Which of the following is/are external commands?
Edit
Label
Sys
All of above
✅ The correct answer is option D.
256. The advantage(s) inherent to using high level languages is (are)
Fewer people, less management and shorter transition in learning time
Improved debugging capability, and superior documentation
A greater degree of machine independence
All of the above
✅ The correct answer is option D.
257. In analyzing the compilation of PL/I program, the term “Lexical analysis” is associated with
recognition of basic syntactic constructs through reductions.
recognition of basic elements and creation of uniform symbols
creation of more optional matrix.
use of macro processor to produce more optimal assembly code
✅ The correct answer is option B.
258. Which of the following is a program group?
Word pad
Paint brush
Accessories
None of the above
✅ The correct answer is option C.
259. In MS-DOS 5.0, which is the number that acts as a code to uniquely identify the software product?
MS
DOS
MS DOS
5
✅ The correct answer is option D.
260. The necessary conditions needed before deadlock can occur?
No Mutual Exclusion, Hold and wait, Preemption, Circular Wait
Mutual Exclusion, No Hold and wait, Preemption, Circular Wait
Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
Mutual Exclusion, Hold and wait, Preemption, No Circular Wait
✅ The correct answer is option C.