A user program has to delete a file. The user program will be executing in the user mode. When it makes the specific system call to delete the file, an interrupt will be generated, this will cause the processor to halt its current activity and switch to supervisor mode. Once in supervisor mode, the operating system will delete the file and then control will return to the user program. This is an example of
Which one of the following is the memory organization of SRC processor ?
Type A format of SRC uses -----------instructions
The instruction ---------------will load the register R3 with the contents of the memory location M [PC+56]
Which format of the instruction is called the accumulator?
Which one of the following are the code size and the Number of memory bytes respectively for a 2-address instruction?
Which operator is used to name registers, or part of registers, in the Register Transfer Language?
The transmission of data in which each character is self-contained units with its own start and stop bits is ------
Circuitry that is used to move data is called -------------
Which one of the following is NOT a technique used when the CPU wants to exchange data with a peripheral device?
Every time you press a key, an interrupt is generated. This is an example of