Onmobile Previous Years Solved Sample Placement Papers
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If the time quantum is too large, Round Robin scheduling degenerates to:
(A) Shortest Job First Scheduling
(B) Multilevel Queue Scheduling
(C) FCFS
(D) None of the above
Ans: (C) -
Transponders are used for which of the following purposes?
(A) Uplinking
(B) Downlinking
(C) Both (A) and (B)
(D) None of the above
Ans: (C) -
The format specifier “-%d” is used for which purpose in C?
(A) Left justifying a string
(B) Right justifying a string
(C) Removing a string from the console
(D) Used for the scope specification of a char[] variable
Ans: (A) -
A sorting algorithm that can prove to be the best time algorithm in one case and the worst time algorithm in another is:
(A) Quick Sort
(B) Heap Sort
(C) Merge Sort
(D) Insert Sort
Ans: (A) -
What details should never be found in the top level of a top-down design?
(A) Details
(B) Coding
(C) Decisions
(D) None of the above
Ans: (C) -
In an absolute loading scheme, which loader function is accomplished by the assembler?
(A) Reallocation
(B) Allocation
(C) Linking
(D) Both (A) and (B)
Ans: (D) -
Banker’s algorithm for resource allocation deals with:
(A) Deadlock prevention
(B) Deadlock avoidance
(C) Deadlock recovery
(D) None of these
Ans: (B) -
Thrashing can be avoided if:
(A) The pages belonging to the working set of the programs are in main memory
(B) The speed of the CPU is increased
(C) The speed of I/O processors is increased
(D) All of the above
Ans: (A) -
Which of the following communications lines is best suited to interactive processing applications?
(A) Narrowband channels
(B) Simplex channels
(C) Full-duplex channels
(D) Mixed band channels
Ans: (B) -
A feasibility document should contain all of the following except:
(A) Project name
(B) Problem descriptions
(C) Feasible alternative
(D) Data flow diagrams
Ans: (D) -
What is the main function of a data link content monitor?
(A) To detect problems in protocols
(B) To determine the type of transmission used in a data link
(C) To determine the type of switching used in a data link
(D) To determine the flow of data
Ans: (A) -
Which of the following is a broadband communications channel?
(A) Coaxial cable
(B) Fiber optic cable
(C) Microwave circuits
(D) All of the above
Ans: (D) -
Which of the following memories has the shortest access time?
(A) Cache memory
(B) Magnetic bubble memory
(C) Magnetic core memory
(D) RAM
Ans: (A) - 4 + 4 - 4 × 4 ÷ 4 = _________
a) 2
b) 0
c) 4
d) 8
Answer: c) 4 - The ages of Sohail, Afzal, and Bilal are 17, 16, and 12, respectively. If the age of Aslam is also included, the average of the ages increases by 5. What is the age of Aslam?
a) 32
b) 33
c) 34
d) 35
Answer: d) 35 - A jar of jelly beans contains more red beans than green. There are more yellow beans than red. The jar contains fewer yellow jelly beans than green ones. If the first two statements are true, the third statement is
a. true.
b. false.
c. uncertain.
Answer: b. false. - lion: animal : : flower : ___________
(a) Plant
(b) Roots
(c) Grass
(d) Rose
(Ans: A) - If the base of a triangle is 8 cm and the height is 4 cm, what would be the area of the triangle?
a) 32 cm2
b) 16 cm2
c) 8 cm2
d) 64 cm2
Answer: b) 16 cm2 - If a total of 15 kg of solid material is placed into a 100-liter container, what would be the density of the solid material?
a) 0.15 kg/lit
b) 1500 kg/lit
c) 150 kg/lit
d) None
Answer: a) 0.15 kg/lit - A student obtained the marks 16, 50, 70, 65, and 85 in subjects a, b, c, d, and e. What would be the average marks?
a) 66
b) 75
c) 55
d) 50
Answer: a) 66