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User level threads are threads that are visible to the programmer and are unknown to the kernel. The operating system kernel supports and manages kernel level threads. Three different types of models relate user and kernel level threads. Which of the following statements is/are true ? (a) (i) The Many - to - one model maps many user threads to one kernel thread (ii) The one - to - one model maps one user thread to one kernel thread (iii) The many - to - many model maps many user threads to smaller or equal kernel threads (b) (i) Many - to - one model maps many kernel threads to one user thread (ii) One - to - one model maps one kernel thread to one user thread (iii) Many - to- many model maps many kernel threads to smaller or equal user threads
A statement is given followed by two inferences I and II. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given inferences, if any, follow from the given statement? Statement: The popular messaging app launched a fact-verifying extension to help people identify the authenticity of the messages received. Inferences: I. Unauthentic messages were being shared via the app. II. Only authentic messages will be shared via the app henceforth.
In Merkle-Hellman Cryptosystem, the public key can be used to decrypt messages, but cannot be used to decrypt messages. The private key encrypts the messages.
___________ is a distributed, fault-tolerant, and high-performance realtime computation system.
. . . . . . . . is a distributed, fault-tolerant, and high-performance realtime computation system.
A manufacturing company produces 5 types of chairs in two sizes - Regular" and "Large". The pie charts represent the total number of five types of chairs produced and the table shows the ratio between the number of regular sized and large sized chairs of five types. Type of Chair A B C D E Ration between Number of Regular Size and Large Size Chairs 3 : 2 4 : 5 3 : 1 5 : 3 3 : 8   If the total number of all types of chairs produced is 7200, what is the total number of regular size chairs of all types produced.
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?
Which of the following statements with respect to multiprocessor system are true? (A) Multiprocessor system is controlled by one operating system. (B) In Multiprocessor system, multiple computers are connected by the means of communication lines. (C) Multiprocessor system is classified as multiple instruction stream and multiple data stream system. Choose the correct answer from the options given below:
The operating system is a set of system programs that provides a number of facilities to a user to allow the use of a computer. Which of the below-listed facilities are provided by the operating system? i) Program to control input/output devices ii) Program to manage user files iii) Allocation of a resource of a computer iv) Program to select appropriate translators requested
The government has sent out a stern warning to WhatsApp asking the Facebook-owned messaging platform to immediately stop the spread of irresponsible and explosive messages filled with rumours and provocation through the application of appropriate technology. In a statement, the ministry of electronics and IT said on Tuesday, instances of lynching of innocent people have been noticed recently because of large number of irresponsible and explosive messages filled with rumours and provocation are being circulated on WhatsApp. Which of the following can be logically inferred from the statement above?