Persistent Systems is a technology services company which was incorporated on 16 May 1990 as Persistent Systems Private Limited. Persistent Systems is a technology service company. Industry is IT services. And it was subsequently converted into the public limited company. There are many key people in the company. The headquarters are located in Pune, India. More than 9000 employees are working in the organization. The company core process is to be a well-respected technology company focused on delivering in class innovation solutions to its customers and partners.
As per recent updates, Persistent is hiring for packages as below: (depending on performance of candidate)
|Rounds||Details||No. of Questions||Duration (time)|
1. Computer Science
|Subjective Round(elimination round)||Automata Coding Ability||2||45 mins|
|Advanced Coding||High Level Coding Test||1||60 mins|
This round may comprise two or more interview rounds. It is usually of about 50 minutes. A grasp over basic oops concepts like what Polymorphism, Abstraction, Encapsulation is needed.
Having understood your degree of knowledge and professionalism so far, the last round is usually a formality one where questions are asked based on some advanced technical knowledge like Boolean loops, etc.
The HR Round is informal and you are usually quizzed about your ambitions, life plans, etc.
Q1) What does the following statement result in?
Two processes want to write a file to a print spool area at the same time and both start writing. As the print spool area is of fixed size, it fills up before either process finishes writing its file, so both wait for more space to become available.
Q2) Thrashing can be avoided if
A) The pages, belonging to the working set of the programs, are in main memory
B) The speed of CPU is increased
C) The speed of I/O processor are increased
D) All of the above
Q3) The contents of a file will be lost if it is opened in
A) a mode
B) w+ mode
C) a+ mode
D) r mode
Q4) Daisy chain is a device for
A) Connecting a number of controllers to a device
B) Connecting a number of devices to a controller
C) All of the above
D) None of the above
Q5) A fruit seller had some oranges. He sells 30% oranges and still has 140 mangoes. Originally, he had:
A) 288 oranges
B) 300 oranges
C) 672 oranges
D) 200 oranges
Q6) What percentage of numbers from 1 to 30 has 1 or 9 in the unit's digit?
Q7) In which case would you use a FULL OUTER JOIN?
A) Both tables have NULL values.
B) You want all the unmatched data from one table.
C) You want all matched data from both tables.
D) You want all the unmatched data from both tables.
Q8) If M = y% of z and B = z% of y, then which of the following must be true?
A) M is lesser than N.
B) M is more than N.
C) The relation between M and N cannot be determined
D) None of these
Q9) A student erroneously multiplied a number by 2/5 instead of 5/2.What is the percentage error in the calculation????????
Q10) Which statement is true regarding the COALESCE function?
A) It can have a maximum of five expressions in a list.
B) It returns the highest, NOT NULL value in the list for all rows.
C) It requires that all expressions in the list must be of the same data type.
D) It requires that at least one of the expressions in the list must have a NOT NULL value.
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