Operating System (OS) Multi programming systems ...... Are used only by large mainframe computer Are easier to develop than single programming system Execute more jobs in the same time period Execute each job faster Are used only by large mainframe computer Are easier to develop than single programming system Execute more jobs in the same time period Execute each job faster ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The most common systems security method is passwords encryption firewall None of these All of these passwords encryption firewall None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The shortcut key to open a task manager is: F1 Alt + Ctrl + Delete Alt + Tab Alt + F1 F1 Alt + Ctrl + Delete Alt + Tab Alt + F1 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The CPU, after receiving an interrupt from an I/O device branches off to the interrupt service routine immediately halts for a predetermined time hands over control of address bus and data bus to the interrupting device branches off to the interrupt service routine after completion of the current instruction None of these branches off to the interrupt service routine immediately halts for a predetermined time hands over control of address bus and data bus to the interrupting device branches off to the interrupt service routine after completion of the current instruction None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Essential files of MS DOS are Lo.sys All of the listed here Msdos.sys Command.com Lo.sys All of the listed here Msdos.sys Command.com ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Boot startup process Prepare the computer ready Loads system files to RAM Clean up the computer memory Checks the computer connections Prepare the computer ready Loads system files to RAM Clean up the computer memory Checks the computer connections ANSWER DOWNLOAD EXAMIANS APP
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