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Category Archives: Computer Subject

Consider three processes (process id 0, 1, 2 respectively) with compute time bursts 2, 4 and 8 time units. All processes arrive at time zero.… Read More
Consider the following code fragment: if (fork() == 0) { a = a + 5; printf("%d,%d\n", a, &a); } else { a = a –5;… Read More
Which of the following page replacement algorithms suffers from Belady’s anomaly? (A) FIFO (B) LRU (C) Optimal Page Replacement (D) Both LRU and FIFO Answer:… Read More
Following question has been asked in GATE 2012 CS exam. Fetch_And_Add(X,i) is an atomic Read-Modify-Write instruction that reads the value of memory location X, increments… Read More
Following questions have been asked in GATE CS 2007 exam. 1) Information about a collection of students is given by the relation studinfo(studId, name, sex).… Read More
Following questions have been asked in GATE CS 2005 exam. 1) Let r be a relation instance with schema R = (A, B, C, D).… Read More
Following questions have been asked in GATE 2006 CS exam. 1) Consider the following log sequence of two transactions on a bank account, with initial… Read More
Following questions have been asked in GATE CS 2009 exam.  1) Let G(x) be the generator polynomial used for CRC checking. What is the condition… Read More
Following questions have been asked in GATE CS 2006 exam. 1) Station A uses 32 byte packets to transmit messages to Station B using a… Read More
Following questions have been asked in GATE CS 2007 exam.  1) The address of a class B host is to be split into subnets with… Read More
Following questions have been asked in GATE CS 2007 exam.  1) Which one of the following uses UDP as the transport protocol? (A) HTTP (B) Telnet (C) DNS (D)… Read More
Following questions have been asked in GATE CS 2008 exam. 1) What is the maximum size of data that the application layer can pass on… Read More
Following questions have been asked in GATE CS 2008 exam. 1) Which of the following system calls results in the sending of SYN packets? (A)… Read More
Following questions have been asked in GATE CS 2005 exam. 1) An organization has a class B network and wishes to form subnets for 64… Read More

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