Question 1 What is the bit rate of a video terminal unit with 80 characters/line, 8 bits/character and horizontal sweep time of lOOµs (including 20 µs […]

Question 11 In an enhancement of a design of a CPU, the speed of a floating point unit has been increased by 20% and the speed […]

Question 10 Which of the following statements is/are TRUE with respect to deadlocks? A Circular wait is a necessary condition for the formation of deadlock. B […]

Question 38 A 1000 Kbyte memory is managed using variable partitions but to compaction. It currently has two partitions of sizes 200 Kbytes and 260 Kbytes respectively. […]

Question 4 Four jobs to be executed on a single processor system arrive at time 0+ in the order A, B, C, D. their burst CPU time requirements […]

Question 47 A linker reads four modules whose lengths are 200, 800, 600 and 500 words, respectively. If they are loaded in that order, what are […]

Question 9 A disk has 200 tracks (numbered 0 through 199). At a given time, it was servicing the request of reading data from track 120, […]

Question 12 Consider two files systems A and B , that use contiguous allocation and linked allocation, respectively. A file of size 100 blocks is already […]

Question 25 A process executes the following segment of code: for(i = 1; i < = n; i++) fork(); The number of new processes created is […]

Question 30 The storage area of a disk has innermost diameter of 10 cm and outermost diameter of 20 cm. The maximum storage density of the […]

Question 26 The semaphore variables full, empty and mutex are initialized to 0, n and 1, respectively. Process P1 repeatedly adds one item at a time […]