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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Junior Systems Officer - Kerala Co-operative Milk Marketing Federation Ltd' And exam conducted in the year 2024. And Question paper code was '018/2024'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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Three CPU-intensive processes have respective burst times of 5, 12 and 22 time units. They
arrive at times 0, 4 and 9 respectively. If the operating system implements a Shortest
Remaining Time First (SRTF) scheduling algorithm, how many context switches are
required? Exclude the context switches at time zero and at the end of execution :
(A) 1 (B)
bo
(0) 8 (0) 4
Which page replacement algorithm is more susceptible to Belady’s anomaly?
(A) Optimal Page Replacement (B) LRU
(© FIFO (D) Both LRU and FIFO
How many superkeys can be formed for the relation schema R (BH, B, C, D) where E is the
key?
(A) 11 (B) 10
(0 9 (D) 8
How would you describe the Relational Data Model?
(A) Data is organized within a table using rows and columns
(2) Inthis model, data, objects, and their relationships are logically represented
(C) Additionally, functions, encapsulation and object identity are taken into account,
alongside the ER model
(D) These data models enable the definition of data specifications, where various
attributes are specified for data items of the same type
What technique is employed in RDBMS to create different classes of relations with the
primary goal of preventing modification anomalies?
(A) Functional Dependencies (B) Data integrity
(C) Referential integrity (D) Normal Forms
018/2024 16 A