Which of the following holds the last instruction fetched?

Related MCQs

• In the instruction ADD A, B, the answer gets stored in                        
• The address of the next instruction to be executed by the current process is provided by the                      
• TestAndSet instruction is executed
• CPU fetches the instruction from memory according to the value of                          
• The                    determines the cause of the interrupt, performs the necessary processing and executes a return from the interrupt instruction to return the CPU to the execution state prior to the interrupt.
• The                  can be turned off by the CPU before the execution of critical instruction sequences that must not be interrupted.
• Division by zero, accessing a protected or non existent memory address, or attempting to execute a privileged instruction from user mode are all categorized as                  
• The address of the next instruction to be executed by the current process is provided by the
• Which of the following is program group?
• Which of the following is an example of a real time operating system?