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38. Program pre-emption is A. Forced withdrawal of CPU from a program which is executing. B. Release of CPU from by a program after completing its task. C. Forceful allotment of CPU by a program to itself D. Program termination due to detection of an error 39. An operating system.contain 3 user processes, each process requiring 2 units of the resource R. the minimum number of units R required such that there is no possibility of dead lock on R is B. 3 C. 5

38. Program pre-emption is A. Forced withdrawal of CPU from a program which is executing. B. Release of CPU from by a program after completing its task. C. Forceful allotment of CPU by a program to itself D. Program termination due to detection of an error 39. An operating system.contain 3 user processes, each process requiring 2 units of the resource R. the minimum number of units R required such that there is no possibility of dead lock on R is B. 3 C. 5

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Answer question 39, 38 showing fully all the steps. Solution should be perfect(very correct), clear, brief and explicit enough!

30. What is the 2's complement 35. The preorder transversal of a certain binary search tree is 10 53215 12 20, If the value 11 is then added to this tree, what is the preorder transversal of the resulting tre0? A. 11 10 53 2 15 12 20 B. 10 11 532 15 12 20 C. 10 532 1511 12 20 D. 10 532 15 12 11 20. representation of-24 in a 16 bit microcomputer? B. 1111 1111 1110 0111 0o win 100000 0000 C. 1111 1111 1110 1000 0o win 100000 0000 31. Three ways to Improve the performances of a hard disk include A. Disk caching, RAID, and file expansion. B. File compression, disk caching, and file encryption. C. Disk caching, RAID and file compression. D. RAID, file compression and disk expansion. 32. What did Alan Turning propose as a way to answer the question "can computers think?" A. Allowing computers to enter the World Chess Championship B. The imitation game, later called the Turning test C. Programming a computer to solve calculus problems D. Teaching a computer program itself 33. The following are the statements regarding the Non- Polynomial (NP) problems. Choose the right option from the followlng options 1. 36. Memory management is necessary because A. Tfie memory is finite B. Many programs have to run C. Weoperatea in a multitask ervironmert D. Allof the above 37. The ROM Containing the BIOS can considered as ag A Secondary storage unit BA peripheral unit C. Part of memory unit processing unit 38. Program pre-emption is A. Forced withdrawal of CPU from a program which is executing. B. Release of CPU from by a program after completing its task. C. Forceful allotment of CPU by a program to itself D. Program termination due to detection of an error AIRNP-complete problems are not NP- hard II. SomeNP-hardware problems are not known to be NP-complete. 39. An operating system.contain 3 user processes, each process requiring 2 units of the resource R. the minimum number of units R required such that there is no possibility of dead lock on R is A. 6 B. 3 C. 5 A. Both (I) and (II) are true B. Bothe (1) and (II) are false C. Only (I) is true D. Only (II) is true 34. A full-adder is simply a connection of two half-adders joined by A. AND gate B. OR gate C. NAND gate D. NOR gate 40. Concurrent processes executing without mutual execution can lead A. Faster execution of processes B. Deadlock
Transcribed Image Text:30. What is the 2's complement 35. The preorder transversal of a certain binary search tree is 10 53215 12 20, If the value 11 is then added to this tree, what is the preorder transversal of the resulting tre0? A. 11 10 53 2 15 12 20 B. 10 11 532 15 12 20 C. 10 532 1511 12 20 D. 10 532 15 12 11 20. representation of-24 in a 16 bit microcomputer? B. 1111 1111 1110 0111 0o win 100000 0000 C. 1111 1111 1110 1000 0o win 100000 0000 31. Three ways to Improve the performances of a hard disk include A. Disk caching, RAID, and file expansion. B. File compression, disk caching, and file encryption. C. Disk caching, RAID and file compression. D. RAID, file compression and disk expansion. 32. What did Alan Turning propose as a way to answer the question "can computers think?" A. Allowing computers to enter the World Chess Championship B. The imitation game, later called the Turning test C. Programming a computer to solve calculus problems D. Teaching a computer program itself 33. The following are the statements regarding the Non- Polynomial (NP) problems. Choose the right option from the followlng options 1. 36. Memory management is necessary because A. Tfie memory is finite B. Many programs have to run C. Weoperatea in a multitask ervironmert D. Allof the above 37. The ROM Containing the BIOS can considered as ag A Secondary storage unit BA peripheral unit C. Part of memory unit processing unit 38. Program pre-emption is A. Forced withdrawal of CPU from a program which is executing. B. Release of CPU from by a program after completing its task. C. Forceful allotment of CPU by a program to itself D. Program termination due to detection of an error AIRNP-complete problems are not NP- hard II. SomeNP-hardware problems are not known to be NP-complete. 39. An operating system.contain 3 user processes, each process requiring 2 units of the resource R. the minimum number of units R required such that there is no possibility of dead lock on R is A. 6 B. 3 C. 5 A. Both (I) and (II) are true B. Bothe (1) and (II) are false C. Only (I) is true D. Only (II) is true 34. A full-adder is simply a connection of two half-adders joined by A. AND gate B. OR gate C. NAND gate D. NOR gate 40. Concurrent processes executing without mutual execution can lead A. Faster execution of processes B. Deadlock
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