9.The operating system control tables maintains file table, because
Options: (A)These tables manage I/O devices and channels of the computer system. (B) These tables provide information about the existence of files, their location on secondary memory and their current status. (C) These tables provide information to manage process. (D) None of these. 1
Options: (A)Correct functioning of the system depends on the result produced by the system (B) Correct functioning of the system depends on the time at which the results are produced (C) The time of processing affects the system output (D) The time of processing does not affects the system out-put 10
Options: means storing records in contiguous blocks according to a key., Stores records sequentially but uses an index to locate records, uses an index for each key type, has records placed randomly throughout the file
Which statements are true regarding ICMP packets? ICMP guarantees datagram delivery. ICMP can provide hosts with information about network problems. ICMP is encapsulated within IP datagrams. ICMP is encapsulated within UDP datagrams.
Options: 1 only, 2 and 3, 1 and 4, All of the above
Options: (A)Ability of two or more systems, to exchange information and to use the information that has been exchanged. (B) Time taken to respond to an event. (C) Either the hazard not arises, if arise; it will not result in an accident. (D) None of these 22
Options: necessary centrifugal force may be obtained from the horizontal component weight of the train, to avoid frictional force between the tracks and wheels, necessary centripetal force may be obtained from the horizontal component of the weight of the train, the train may not fly off in the opposite direction