OSG202 study guide exam solution latest update with complete questions and answers

OSG202 study guide exam solution latest update with complete questions and answers B - QN=1 (6836) A CPU may have multiple execution units, so that can carry out multiple instructions in the same time is called: a. Pipeline b. Superscalar c. Multicore d. None of the other choices C - QN=2 (6843) The four main structural elements of a computer system are: a. Processor, Registers, I/O Modules, Main Memory b. Processor, Registers, Main Memory, System Bus c. Processor, Main Memory, I/O Modules, System Bus d. None of the other choices B - QN=3 (6849) Which of the following instructions should be allowed in user mode? a. Disable all interrupts b. Read the time-of-day clock c. Set the time-of-day clock d. Change the memory map C - QN=4 (6858) As one proceeds down the memory hierarchy(phân cấp bộ nhớ) (from inboard memory to offline storage), which of the following conditions is correct? a. Increasing cost per bit b. Decreasing capacity c. Increasing access time d. None of the other choices B - QN=5 (6863) Information that must be saved prior to the processor transferring control to the interrupt handler routine includes: a. PSW b. PSW and PC c. PSW and Contents of processor registers d. None of the other choices C - QN=6 (6871) What is not a main function of an operating system? a. Provide the users with an extended (virtual) machine b. Manage the I/O devices c. Provide user interfaces d. Support virtual memory C - QN=7 (6883) What is the main characteristic of real-time operating system?