Operating System (OS) Which of the following does not support more than one program at a time? Windows DOS Unix Linux Windows DOS Unix Linux ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following command is used to switch between the window programs? Alt+Tab Ctrl+Tab Alt+F4 None of these Alt+Tab Ctrl+Tab Alt+F4 None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Save operation means Put data into monitor Put data into secondary storage Put data into internal memory Put data into processor Put data into monitor Put data into secondary storage Put data into internal memory Put data into processor ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The Memory Address Register is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory. is a hardware memory device which denotes the location of the current instruction being executed. contains the address of the memory location that is to be read from or stored into. None of these 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". is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory. is a hardware memory device which denotes the location of the current instruction being executed. contains the address of the memory location that is to be read from or stored into. None of these 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". ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Block caches or buffer caches are used to handle interrupts None of these to increase the capacity of the main memory to speed up main memory read operation to improve disk performance to handle interrupts None of these to increase the capacity of the main memory to speed up main memory read operation to improve disk performance 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 after completion of the current instruction 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 immediately None of these branches off to the interrupt service routine after completion of the current instruction 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 immediately None of these ANSWER DOWNLOAD EXAMIANS APP
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