Operating System Questions And Answers - Computer Science MCQ - Page 7

(Showing: 61 - 70 out of 94 MCQs) Operating System is the main function-able part of our computer system. The operating system multiple choice questions and answers are discussed as below along with their explanations as necessary.
61. To avoid the race condition, the number of processes that may be simultaneously inside their critical section is
[A] 8
[B] 1
[C] 16
[D] 0
Loading...
62. A system program that combines the separately compiled modules of a program into a form suitable for execution
[A] assembler
[B] linking loader
[C] cross compiler
[D] load and go
Loading...
63. Process is
[A] program in High level language kept on disk
[B] contents of main memory
[C] a program in execution
[D] a job in secondary memory
Loading...
64. In data base, a field is a----
[A] table of information
[B] lable
[C] group of related records
[D] none of these
Loading...
65. The data records arranged sequentially one after another in----
[A] serial data file
[B] random data file
[C] sequential data file
[D] none
Loading...
66. Each line in a data file is called---
[A] record
[B] field
[C] data
[D] none
Loading...
67. Every file must have a------
[A] data
[B] file name
[C] records
[D] field
Loading...
68.

The ----- contains data descriptions & defines the name, data type, & length of each field in the database.


[A] data dictionary
[B] data table
[C] data record
[D] data field
Loading...
69. The purpose of the primary key in a database is to...
[A] unlock the database
[B] provide a map of the data
[C] uniquely identify a record
[D] none
Loading...
70. When data changes in multiple lists & all lists are not updated, this causes;
[A] data redundancy
[B] information overload
[C] duplicate data
[D] data inconsistency
Loading...
Are these questions helpful for you?

Comments: (Your feedback is valuable to us)

murugesan 1 week ago Reply

not able to download


jafar hussain 4 months ago Reply

very informative and knowledge abale


Nagesh 7 months ago Reply

thanks for I to get very knowledge


amanuel bedelu 10 months ago Reply

resionable questions Thank you !!!!!!!!!!!!!!


Anil Kumar 1 year ago Reply

Very helpful for competitive exams


IZHAR WAJID 1 year ago Reply

really helpful for Educators nts preparation


Rupesh Dode 1 year ago Reply

very useful my technical example


Madhumita majumder 1 year ago Reply

Amazing..... it is very helpful to me


Pankaj Pawar 1 year ago Reply

Good one..But if you provide explaination to each answer, then it will be more advantageous.


vijay kumar 2 years ago Reply

6. In the blocked state ?
[A] the processes waiting for I/O are found
[B] the process which is running is found
[C] the processes waiting for the processor are found
[D] none of the above
Answer: A. the processes waiting for I/O are found
ans is incorrect
In some website ans C is OK

Anirudh Chauhan 1 year ago

in blocked state processes keep waiting either for resources or for I/O . So option A is correct.