Computer Science > QUESTIONS & ANSWERS > University of Maryland, College Park - ENEE 446Exam 1 Spring 2017 (All)

University of Maryland, College Park - ENEE 446Exam 1 Spring 2017

Document Content and Description Below

ENEE 447 Spring 2017: Mid-term Exam (Solution) 9 March 2017, 9:30 A.M. - 10:45 A.M. Name: Note 1. If you perceive any ambiguity, state your assumptions explicitly. Note 2. All work on this exam is... to be wholly your own. Consulting (or copying) from other students’ answers, or aiding other students (by verbal communication or by showing your answers) will be considered a violation of the academic honor code. Violations will result in a grade of XF for the course. 1. (5 points) Choose the best answer. To get full credit, provide a 2-3 sentence explanation why you chose that answer. (i) Which of the following is not a mechanism for implementing mutual exclusion? (a) monitor (b) test-and-set instruction (c) semaphore (d) interrupt Monitors, test-and-set instructions, and semaphores are used for implementing mutual exclusion. Interrupts, on the other hand, are used to stop the current process, and give control to the OS. (ii) Which of the following is not a function performed by typical operating systems? (a) register allocation (b) memory allocation (c) file system management (d) process scheduling Memory allocation, file system management, and process scheduling are functions performed by an OS. Register allocation, on the other hand, is done by the compiler [Show More]

Last updated: 2 years ago

Preview 1 out of 5 pages

Buy Now

Instant download

We Accept: