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Advanced Computer Architecture (18CS762) Quiz 1. SIMD represents an organization that ______________. a) refers to a computer system capable of processing several programs at the same time. b) represents organization of single computer containing a control unit, processor unit and a memory unit. c) includes many processing units under the supervision of a common control unit d) none of the above. Ans: c 1. SIMD represents an organization that ______________. a) refers to a computer system capable of processing several programs at the same time. b) represents organization of single computer containing a control unit, processor unit and a memory unit. c) includes many processing units under the supervision of a common control unit d) none of the above. . A multi-core design in which a single physical processor contains the core logic of more than one processor. a) TRUE b) FALSE Answer: A 2. A multi-core design in which a single physical processor contains the core logic of more than one processor. a) TRUE b) FALSE 3. What is true about multi core processor? a) Increased responsiveness b) Increased worker productivity. c) Improved performance in parallel environments when running computations on multiple processors. d) All the above The goal of multi core processor is to enable system to run more tasks simultaneously and thereby achieve greater overall system performance. a) TRUE b) FALSE Answer: A 4. The goal of multi core processor is to enable system to run more tasks simultaneously and thereby achieve greater overall system performance. a) TRUE b) FALSE 5. In parallelization, if P is the proportion of a system or program that can be made parallel, and 1-P is the proportion that remains serial, then the maximum speedup that can be achieved using N number of processors is 1/((1P)+(P/N). This law is called ________ a) Newton’s law b) Ohms law c) Amdahl’s law

d) None of these 6. The data type used for storing the thread id is a. pthread b. pthread_t c. p_thread_t d. pthread_id

7. The feature of hyperthreading is a) simultaneous multithreading b) switching is not required c) effective use of processor resources d) all of the mentioned 8. The number of logical CPUs in a computer having two physical quad-core chips with hyper threading enabled is (A) 1 (B) 2 (C) 8 (D) 16

9. In parallel processing a program has 30% of code can be process parallel and system has 3 processors what is the speed up:Use Amdahl's Law a. 1.25 b. 1.44 c. 1.64 d. None of the above

10. Which of the following law used the notion of constant execution time? a) Amdahl’s law b) Gustafson’s law c) Sun and Ni’s law d) None of the above...