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2 1 * Bookmarks Download music, m. Pramp High Scalability Live Sport Streams... III Home Take Test: Quiz 1: Introduction Question Completion Status: A Moving to another question will save this response. Question 2 Choose those items which are features of direct memory access (DMA), 1. Traffic is reduced on the system bus 2. The CPU is able to do more productive work, 3. User program development is greatly simplified 4. Less physical memory contention is incurred. Moving to another question will save this response st Quiz Remaining Time: 08 minutes, 33 seconds. Question Completion Status: Moving to another question will save this response. Question 3 The most common secondary storage device is 1. Random Access Memory (RAM) 2. Solid State Disks 3. Magnetic Disk 4. Tape Drives A Moving to another question will save this response uz introduction This test can be saved and resumed at any point until time has expired. The timer will continue to Remaining Time: 11 minutes, 55 seconds. Question Completion Status A Moving to another question will save this response. Question 1 2 system hardware has two modes for the purpose of 01. preventing user programs from interfering with the proper operation of the computer system 2. enabling the faster execution of user programs 3, facilitating user program portability 4. accelerating programmer productivity Moving to another question will save this response DELL The elements of a computer are best described by which item? User, hardware, operating system, user programs 2 User, hardware, operating system 3. User, hardware, operating system, Internet 04. Hardware, operating system, user processes Traps and exceptions are examples of which item? Software interrupts Hardware interrupts 2 3. Privileged instructions 4. User mode Question 1 Context switches are incurred among user processes in order to provide operating systems functionality given by which items below? Device Drivers 2. Multitasking 3. File I/O 14. Multiprogramming