321. What is dispatch latency? September 4, 2025 by Admin The time taken by the dispatcher to stop one process and start another The time taken by the processor to write a file into disk The whole time taken by all processor None of Above ✅ The correct answer is option A.
284. User-Friendly Systems are: September 4, 2025 by Admin required for object-oriented programming easy to develop common among traditional mainframe operating systems becoming more common ✅ The correct answer is option D.
287. Memory management is : September 4, 2025 by Admin not used in modern operating system replaced with virtual memory on current systems not used on multiprogramming systems critical for even the simplest operating systems ✅ The correct answer is option D.
290. Data encryption September 4, 2025 by Admin is mostly used by public networks is mostly used by financial networks cannot be used by private installations is not necessary, since data cannot be intercepted ✅ The correct answer is option B.
293. Which of the following file menu option saves document to disk? September 4, 2025 by Admin Save Create Rename All of above ✅ The correct answer is option A.
295. In a folder, which of the following key is used to rename the file or folder September 4, 2025 by Admin F3 F4 F2 F7 ✅ The correct answer is option C.
297. In which addressing mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands? September 4, 2025 by Admin index addressing indirect addressing auto increment auto decrement ✅ The correct answer is option D.
299. The primary purpose of an operating system is to: September 4, 2025 by Admin make computer easier to use keep system programmers employed make the most efficient use of the hardware allow people to sue the computers ✅ The correct answer is option C.
301. Which of the following statement about directories is false? September 4, 2025 by Admin Directories can exist inside directories The root directory is always at the highest level Directories cannot be renamed Directories can be deleted ✅ The correct answer is option C.
303. Which of the following are loaded in safe mode? September 4, 2025 by Admin Keyboard driver Mouse driver VGA drive All of above ✅ The correct answer is option D.