Please explain 11. A static entity that consists of an address space and ports t
ID: 3856955 • Letter: P
Question
Please explain
11. A static entity that consists of an address space and ports through which messages may be sent and
received is called (A) Domain (B) Clouds (C) Multithreading (D) Multiinstance (E) None of the above
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12. Which of the following statement regarding interrupt is incorrect? (A) If no interrupts are pending, the
processor proceeds to the next fetch stage. (B) Interrupt usually involves some overhead. (C) In handling
multiple interrupts, the processor cannot disable other interrupts while an interrupt is being processed.
(D) When the processor transfers control to the interrupt service routine, it needs to save the Program
Status Word and the location of next instruction to be executed. (E) None of the above.
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13. Which of the following statement regarding memory is incorrect? (A) When the processor attempts to
read a byte or word, it will first check with the cache memory. (B) The main memory is usually large
and slow. (C) The cache size has impacts on performance of the processor. (D) As the cache block size
increases, the hit ratio will decrease. (E) None of the above.
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14. Which of the following technique is not used for I/O operations? (A) Programmed I/O (B) Interruptdriven
I/O (C) Direct Memory Access (D) Peripheral polling I/O (E) None of the above
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15. Which of the following defines the system call interface to operating systems and hardware resources?
(A) ABI (B) ISA (C) API (D) HLL (E) None of the above
Explanation / Answer
11) Answer: A --> "Domain" Inorder to communicate from one source to another through the network the port numbers will asigned to web servers as address
12) Answer: E -->None of the above.
13) Answer: B-->The main memory is usually large and slow
14) Answer: D -->Peripheral polling I/O
15) Answer:A --> ABI()