OPERATING SYSTEM MCQS PART 03

OPERATING SYSTEM MCQS PART 03

1. Program generation activity aims at
(A) Automatic generation of program
(B) Organize execution of a program written in PL
(C) Skips generation of program    
(D) Speedens generation of program
Ans: (A)

2. Which amongst the following is not an advantage of Distributed systems?
(A) Reliability            
(B) Incremental growth
(C) Resource sharing         
(D) None of the above
Ans: (A)
3. An imperative statement
(A) Reserves areas of memory and associates names with them
(B) Indicates an action to be performed during execution of assembled program
(C) Indicates an action to be performed during optimization
(D) None of the above
Ans: (B)

4. Which of the following loader is executed when a system is first turned on or restarted
(A) Boot loader    
(B) Compile and Go loader       
(C) Bootstrap loader       
(D) Relating loader
Ans: (C)

5. Poor response time is usually caused by
(A) Process busy
(B) High I/O rates
(C) High paging rates
(D) Any of the above
Ans: (D)

6. “Throughput” of a system is
(A) Number of programs processed by it per unit time
(B) Number of times the program is invoked by the system
(C) Number of requests made to a program by the system
(D) None of the above
Ans: (A)
7. The “blocking factor” of a file is
(A) The number of blocks accessible to a file
(B) The number of blocks allocated to a file
(C) The number of logical records in one physical record
(D) None of the above
Ans: (C)

8. Which of these is a component of a process precedence sequence?
(A) Process name                 
(B) Sequence operator ‘;’
(C) Concurrency operator ‘,’       
(D) All of the above
Ans: (D)

9. Which amongst the following is valid syntax of the Fork and Join Primitive?
(A) Fork Join      
(B) Fork Join       
(C) For Join     
(D) Fork join
Ans: (A)
10. Nested Macro calls are expanded using the
(A) FIFO rule (First in first out)
(B) LIFO (Last in First out)
(C) FILO rule (First in last out)
(D) None of the above
Ans: (B)