Operating Systems Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Operating Systems Interview Questions

Questions Answers Views Company eMail

What is the difference between arraylist and linkedlist?

1 1064

Which interface treemap implements?

1 1035

If we try to add duplicate key to the hashmap, what will happen?

1 938

Which interfaces are implemented by linkedhashset?

1 1120

What is copyonwritearraylist?

1 1068

Why is reflection slower?

1 973

Which is the parent class of hashmap class?

1 1246

Which interfaces are implemented by enumset?

1 953

What is the difference between collection and collections?

1 1094

What is the difference between collections class vs collections interface?

1 1045

What things you would care about to improve the performance of application if its identified that its db communication that needs to be improved?

1 1012

If you are given a choice to use either arraylist and linkedlist, which one would you use and why?

1 1068

Which is the parent class of deque class?

1 996

Can we add heterogeneous elements into treemap?

1 1034

Treemap orders the elements on which field?

1 988

Un-Answered Questions { Operating Systems }

How much does a windows 10 license cost?

921

Draw a binary Tree for the expression : A * B - (C + D) * (P / Q)

1488

What are the differences between FTP , NFS , SAMBA servers explain separately.

1324

“int a[] = new int[3]{1, 2, 3}” – This a legal way of defining the arrays?

1271

What items of information about a task might be useful in real time scheduling?

4541

How can you edit a large file without opening it in unix?

972

How does registry work wedding?

879

What is the latest version of linux?

1017

For the following COBOL code, draw the Binary tree? 01 STUDENT_REC. 02 NAME. 03 FIRST_NAME PIC X(10). 03 LAST_NAME PIC X(10). 02 YEAR_OF_STUDY. 03 FIRST_SEM PIC XX. 03 SECOND_SEM PIC XX.

1380

What is the current version of windows 10?

932

Write a program for Sorting an Array. Which sorting will you prefer?

1034

what's the latest ram lunch?

2717

1.Have you used vxboot ? 2.Minimum requirement for mirror volume to created ?

2233

How much does it cost for a copy of windows 10?

860

How do I search for files containing specific text in linux?

815

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