Backups should be done daily for most installations weekly for most installations as several image copies, followed by an incremental as several incrementals, followed by an image copy None of these TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a multitasking operating system ? Win NT DOS Windows Linux TRUE ANSWER : ? YOUR ANSWER : ?
Page-map table is A directory A data file All of these None of these Used for address translation TRUE ANSWER : ? YOUR ANSWER : ?
A partitioned data set is most used for storing program data storing ISAM files storing backup information a program or source library None of these TRUE ANSWER : ? YOUR ANSWER : ?
It is the default folder for many Windows Applications to save your file Documents and Settings My Document My Pictures My Computer TRUE ANSWER : ? YOUR ANSWER : ?
The Memory Address Register contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write". None of these is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory. contains the address of the memory location that is to be read from or stored into. is a hardware memory device which denotes the location of the current instruction being executed. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a characteristic of a daisy chaining priority control scheme? priority is programmable the number of control lines is independent of the number of devices on the chain None of these it is relatively easy to add more devices to the chain the failure of one device may affect other devices on the chain TRUE ANSWER : ? YOUR ANSWER : ?
The main function of the dispatcher (the portion of the process scheduler) is assigning ready process to the CPU suspending some of the processes when the CPU load is high bring processes from the disk to the main memory None of these swapping a process to the disk TRUE ANSWER : ? YOUR ANSWER : ?
The SJF algorithm executes first the job with the least processor needs that last entered the queue that first entered the queue that has been in the queue the longest None of these TRUE ANSWER : ? YOUR ANSWER : ?