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IT Operating System

Practice IT Operating System Questions and Answers

Question Listing

If a series is already sorted, which sorting technique will finish in the least time?
What is the best case time complexity of merge sort?
Which is not an IoT OS?
Fill the blank In K-Means algorithm, we calculate the distance between each point of the dataset to every ________ initialized.
Which is relational Database
In datawarehouse , a fact table consist of
State True or False Kernel level thread cannot share the code segment.
State True or False Semi-structured data is data that does not conform to a data model but has some structure. It lacks a fixed or rigid schema. It is...
The latency of a network is
Which is computer object code?
Predict the output list1 = ['physics', 'chemistry', 1997, 2000] list2 = [1, 2, 3, 4, 5, 6, 7 ] print "list1[0]: ", list1[0] ...
Which algorithm approach focus on Local Optimum solution?
There is a BST and below is the Pre order of the BST, What will be it’s In order 150 70 60 80 250 200 350
Which is correct version of delete query in SQL
Fill in the blanks R _________are the same as the arrays in C language which are used to hold ____________data values of the same type
What is the output for the below code MyList = ["New York", "London", "Paris", "New Delhi"] MyFile=open('output.txt','w') for element in MyList: ...
Which involve two factor authentication
State true or false MD5 Hashing Algorithm was invented by RSA Labs (Ronald Rivest) in 1991. MD5 was invented to replace its previous version, MD4. When Da...
Bourne-style shells uses which below symbol
Predict the output list1 = ['physics', 'chemistry', 1997, 2000] list2 = [1, 2, 3, 4, 5, 6, 7 ] print "list1[0]: ", list1[0] ...
Which is not the property of Data warehouse
OLAP and OLTP differs in
Data warehouse has historical data
fill the blank for space 14.
Which layer is not in OSI but in TCP/IP
Which is best fit for blank space 16?
Router is responsible for packet forwarding, including routing. Router works at which layer?
The _____________ deals with the coordination of the data transfer between end systems and hosts.
fill the blank for 19.
Which is not a access modifier in java?
Which is correct way to write methods in java?
Which is used for C shell?
A single-line comment starts with
To exit from a loop in shell we can use?
Fill in the correct option for 26 blank space.
In public key cryptography ___ key is used for encryption and ____ key is used for decryption. ...
Which refers to the creation of Internet Protocol (IP) packets with a false source IP address to i mpersonate another computer system. ...
cyber attack in which a malicious actor aims to render a computer or other device unavailable to its intended users by interrupting the device's normal fun...
State true or false A ping of death attack involves sending a malformed packet to a targeted machine, resulting in deleterious behavior such as system c...
What is the best case time complexity of merge sort?

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