1 of 2 EEL-4734 Midterm Take heme exam due at 11:59 pm, Saturday, July 14, 2018

Question

1 of 2 EEL-4734 Midterm Take heme exam due at 11:59 pm, Saturday, July 14, 2018 Namc PanthertD Multiple chaices: Based ea the lesthoek, ehoose ealy aaswer that best matches with the question. (S% each question, 1. A mochanism by which other medules, such as 1O and memory, may intorrupt the normal sequencing of te processor is callod (A) Communication (B) Trap (C ) Immut (D) ??(E) None of the above 2. A mode of operation that peovides for the interlcaved execution of two or more compater pregrams by a single processor is called (A) Interrupt (B) Malti-grogramming (C) Muli-asking (D) Multi-threading (E) None of the 3. Which of the following is a memory location in virtual memory? That location is on disk and at some times irn main memory. (A) Virual address (B) Real address (C) L0 space (D) Virtual 1O (E) None of the above A large kernel containing virtually the complete operating system, including schodaling, file system, device drivers, and menory satagement is called (A) Macsokenl (B) Microkenel C) Enbedded kersel (D Monolithic kernel (1) None of the above S. When an excculing process is interrupted by the processor so thatl anether process can be exccused is calle Process (A) Temination (B) Prcomption(C) Swapping (D) Retation (E) None of the above 6, A mechanism that relates to an error or exception condition generned within the currently running process, such as an illegal file access attempt, is called(A) Imempt (B) Trap-O Swapping (D) Pre-mption CE) ?ne of the above Which of the following statement regarding intempt is incorrect? A) If no interrupts are pending. the processor proceeds to the next feich stage. (B) Imerupt ussally involves some overhead. (C) In handlng maltiple interrupts, the precessor cannot disable other interrupes while an interrupe is being processed (D When the processor transfors control to the intorupt service routine, it noods to save the Progm Status Word and the location of next instruction to be cxoouted. (E) Nonc of the above. . Which of the following statement reganding meoey in incorroct? (A) When the peocesnor attempes to rcad a byte or word it will first check with the cache memory

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Answers)

Q1) A mechanism by which other modules, such as I/O and memory, may interrupt the normal sequencing of the processor is called:

C) Interrupt - An interrupt is the mechanism by which other modules, such as I/O and memory, may interrupt the normal sequencing of the processor, by which the processor is forced to look at other modules leaving the current operations.

Q2) A mode of operation that provides for the interleaved execution of 2 or more computer programs by a single processor is called -

B) Multi-programming - is the process by which multiple programs can be executed by a single processor in real time.

Q3) The memory location which is in virtual memory, the location is on disk and at some times in main memory is -

A) Virtual address - where the virtual address is converted into real address and OS copies from disk to main memory

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