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Page 1 DC14 System Software and Operating System 1 TYPICAL QUESTIONS & ANSWERS PART - I OBJECTIVE TYPE QUESTIONS Each Question carries 2 marks. Choose correct or the best alternative in the following: Q.1 Translator for low level programming language were termed as (A) Assembler (B) Compiler (C) Linker (D) Loader Ans: (A) Q.2 Analysis which determines the meaning of a statement once its grammatical structure becomes known is termed as (A) Semantic analysis (B) Syntax analysis (C) Regular analysis (D) General analysis Ans: (A) Q.3 Load address for the first word of the program is called (A) Linker address origin (B) load address origin (C) Phase library (D) absolute library Ans: (B) Q.4 Symbolic names can be associated with (A) Information (B) data or instruction (C) operand (D) mnemonic operation Ans: (B) Q.5 The translator which perform macro expansion is called a (A) Macro processor (B) Macro pre-processor (C) Micro pre-processor (D) assembler Ans: (B) Q.6 Shell is the exclusive feature of (A) UNIX (B) DOS (C) System software (D) Application software Ans: (A) Q.7 A program in execution is called (A) Process (B) Instruction (C) Procedure (D) Function Page 2 DC14 System Software and Operating System 1 TYPICAL QUESTIONS & ANSWERS PART - I OBJECTIVE TYPE QUESTIONS Each Question carries 2 marks. Choose correct or the best alternative in the following: Q.1 Translator for low level programming language were termed as (A) Assembler (B) Compiler (C) Linker (D) Loader Ans: (A) Q.2 Analysis which determines the meaning of a statement once its grammatical structure becomes known is termed as (A) Semantic analysis (B) Syntax analysis (C) Regular analysis (D) General analysis Ans: (A) Q.3 Load address for the first word of the program is called (A) Linker address origin (B) load address origin (C) Phase library (D) absolute library Ans: (B) Q.4 Symbolic names can be associated with (A) Information (B) data or instruction (C) operand (D) mnemonic operation Ans: (B) Q.5 The translator which perform macro expansion is called a (A) Macro processor (B) Macro pre-processor (C) Micro pre-processor (D) assembler Ans: (B) Q.6 Shell is the exclusive feature of (A) UNIX (B) DOS (C) System software (D) Application software Ans: (A) Q.7 A program in execution is called (A) Process (B) Instruction (C) Procedure (D) Function DC14 System Software and Operating System 2 Ans: (A) Q.8 Interval between the time of submission and completion of the job is called (A) Waiting time (B) Turnaround time (C) Throughput (D) Response time Ans: (B) Q.9 A scheduler which selects processes from secondary storage device is called (A) Short term scheduler. (B) Long term scheduler. (C) Medium term scheduler. (D) Process scheduler. Ans: (C) Q.10 The scheduling in which CPU is allocated to the process with least CPU-burst time is called (A) Priority Scheduling (B) Shortest job first Scheduling (C) Round Robin Scheduling (D) Multilevel Queue Scheduling Ans: (B) Q.11 The term ‘page traffic’ describes (A) number of pages in memory at a given instant. (B) number of papers required to be brought in at a given page request. (C) the movement of pages in and out of memory. (D) number of pages of executing programs loaded in memory. Ans: (C) Q.12 The “turn-around” time of a user job is the (A) time since its submission to the time its results become available. (B) time duration for which the CPU is allotted to the job. (C) total time taken to execute the job. (D) time taken for the job to move from assembly phase to completion phase. Ans: (C) Q.13 Which of the following can be used as a criterion for classification of data structures used in language processing. (A) nature of a data structure (B) purpose of a data structure (C) lifetime of a data structure (D) all of the above. Ans: (D) Q.14 Memory utilization factor shall be computed as follows (A) memory in use/allocated memory. (B) memory in use/total memory connected. (C) memory allocated/free existing memory. (D) memory committed/total memory available. Page 3 DC14 System Software and Operating System 1 TYPICAL QUESTIONS & ANSWERS PART - I OBJECTIVE TYPE QUESTIONS Each Question carries 2 marks. Choose correct or the best alternative in the following: Q.1 Translator for low level programming language were termed as (A) Assembler (B) Compiler (C) Linker (D) Loader Ans: (A) Q.2 Analysis which determines the meaning of a statement once its grammatical structure becomes known is termed as (A) Semantic analysis (B) Syntax analysis (C) Regular analysis (D) General analysis Ans: (A) Q.3 Load address for the first word of the program is called (A) Linker address origin (B) load address origin (C) Phase library (D) absolute library Ans: (B) Q.4 Symbolic names can be associated with (A) Information (B) data or instruction (C) operand (D) mnemonic operation Ans: (B) Q.5 The translator which perform macro expansion is called a (A) Macro processor (B) Macro pre-processor (C) Micro pre-processor (D) assembler Ans: (B) Q.6 Shell is the exclusive feature of (A) UNIX (B) DOS (C) System software (D) Application software Ans: (A) Q.7 A program in execution is called (A) Process (B) Instruction (C) Procedure (D) Function DC14 System Software and Operating System 2 Ans: (A) Q.8 Interval between the time of submission and completion of the job is called (A) Waiting time (B) Turnaround time (C) Throughput (D) Response time Ans: (B) Q.9 A scheduler which selects processes from secondary storage device is called (A) Short term scheduler. (B) Long term scheduler. (C) Medium term scheduler. (D) Process scheduler. Ans: (C) Q.10 The scheduling in which CPU is allocated to the process with least CPU-burst time is called (A) Priority Scheduling (B) Shortest job first Scheduling (C) Round Robin Scheduling (D) Multilevel Queue Scheduling Ans: (B) Q.11 The term ‘page traffic’ describes (A) number of pages in memory at a given instant. (B) number of papers required to be brought in at a given page request. (C) the movement of pages in and out of memory. (D) number of pages of executing programs loaded in memory. Ans: (C) Q.12 The “turn-around” time of a user job is the (A) time since its submission to the time its results become available. (B) time duration for which the CPU is allotted to the job. (C) total time taken to execute the job. (D) time taken for the job to move from assembly phase to completion phase. Ans: (C) Q.13 Which of the following can be used as a criterion for classification of data structures used in language processing. (A) nature of a data structure (B) purpose of a data structure (C) lifetime of a data structure (D) all of the above. Ans: (D) Q.14 Memory utilization factor shall be computed as follows (A) memory in use/allocated memory. (B) memory in use/total memory connected. (C) memory allocated/free existing memory. (D) memory committed/total memory available. DC14 System Software and Operating System 3 Ans: (B) Q.15 Program ‘preemption’ is (A) forced de allocation of the CPU from a program which is executing on the CPU. (B) release of CPU by the program after completing its task. (C) forced allotment of CPU by a program to itself. (D) a program terminating itself due to detection of an error. Ans: (A) Q.16 An assembler is (A) programming language dependent. (B) syntax dependant. (C) machine dependant. (D) data dependant. Ans: (C) Q.17 Which of the following is not a fundamental process state (A) ready (B) terminated (C) executing (D) blocked Ans: (D) Q.18 ‘LRU’ page replacement policy is (A) Last Replaced Unit. (B) Last Restored Unit. (C) Least Recently Used. (D) Least Required Unit. Ans: (C) Q.19 Which of the following is true? (A) Block cipher technique is an encryption technique. (B) Steam cipher technique is an encryption technique. (C) Both (A) and (B). (D) Neither of (A) and (B). Ans: (C) Q.20 Which of the following approaches do not require knowledge of the system state? (A) deadlock detection. (B) deadlock prevention. (C) deadlock avoidance. (D) none of the above. Ans: (D) Q.21 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 Page 4 DC14 System Software and Operating System 1 TYPICAL QUESTIONS & ANSWERS PART - I OBJECTIVE TYPE QUESTIONS Each Question carries 2 marks. Choose correct or the best alternative in the following: Q.1 Translator for low level programming language were termed as (A) Assembler (B) Compiler (C) Linker (D) Loader Ans: (A) Q.2 Analysis which determines the meaning of a statement once its grammatical structure becomes known is termed as (A) Semantic analysis (B) Syntax analysis (C) Regular analysis (D) General analysis Ans: (A) Q.3 Load address for the first word of the program is called (A) Linker address origin (B) load address origin (C) Phase library (D) absolute library Ans: (B) Q.4 Symbolic names can be associated with (A) Information (B) data or instruction (C) operand (D) mnemonic operation Ans: (B) Q.5 The translator which perform macro expansion is called a (A) Macro processor (B) Macro pre-processor (C) Micro pre-processor (D) assembler Ans: (B) Q.6 Shell is the exclusive feature of (A) UNIX (B) DOS (C) System software (D) Application software Ans: (A) Q.7 A program in execution is called (A) Process (B) Instruction (C) Procedure (D) Function DC14 System Software and Operating System 2 Ans: (A) Q.8 Interval between the time of submission and completion of the job is called (A) Waiting time (B) Turnaround time (C) Throughput (D) Response time Ans: (B) Q.9 A scheduler which selects processes from secondary storage device is called (A) Short term scheduler. (B) Long term scheduler. (C) Medium term scheduler. (D) Process scheduler. Ans: (C) Q.10 The scheduling in which CPU is allocated to the process with least CPU-burst time is called (A) Priority Scheduling (B) Shortest job first Scheduling (C) Round Robin Scheduling (D) Multilevel Queue Scheduling Ans: (B) Q.11 The term ‘page traffic’ describes (A) number of pages in memory at a given instant. (B) number of papers required to be brought in at a given page request. (C) the movement of pages in and out of memory. (D) number of pages of executing programs loaded in memory. Ans: (C) Q.12 The “turn-around” time of a user job is the (A) time since its submission to the time its results become available. (B) time duration for which the CPU is allotted to the job. (C) total time taken to execute the job. (D) time taken for the job to move from assembly phase to completion phase. Ans: (C) Q.13 Which of the following can be used as a criterion for classification of data structures used in language processing. (A) nature of a data structure (B) purpose of a data structure (C) lifetime of a data structure (D) all of the above. Ans: (D) Q.14 Memory utilization factor shall be computed as follows (A) memory in use/allocated memory. (B) memory in use/total memory connected. (C) memory allocated/free existing memory. (D) memory committed/total memory available. DC14 System Software and Operating System 3 Ans: (B) Q.15 Program ‘preemption’ is (A) forced de allocation of the CPU from a program which is executing on the CPU. (B) release of CPU by the program after completing its task. (C) forced allotment of CPU by a program to itself. (D) a program terminating itself due to detection of an error. Ans: (A) Q.16 An assembler is (A) programming language dependent. (B) syntax dependant. (C) machine dependant. (D) data dependant. Ans: (C) Q.17 Which of the following is not a fundamental process state (A) ready (B) terminated (C) executing (D) blocked Ans: (D) Q.18 ‘LRU’ page replacement policy is (A) Last Replaced Unit. (B) Last Restored Unit. (C) Least Recently Used. (D) Least Required Unit. Ans: (C) Q.19 Which of the following is true? (A) Block cipher technique is an encryption technique. (B) Steam cipher technique is an encryption technique. (C) Both (A) and (B). (D) Neither of (A) and (B). Ans: (C) Q.20 Which of the following approaches do not require knowledge of the system state? (A) deadlock detection. (B) deadlock prevention. (C) deadlock avoidance. (D) none of the above. Ans: (D) Q.21 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 DC14 System Software and Operating System 4 Ans: (A) Q.22 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) Q.23 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) Q.24 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) Q.25 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) Q.26 “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) Q.27 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) Q.28 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 Page 5 DC14 System Software and Operating System 1 TYPICAL QUESTIONS & ANSWERS PART - I OBJECTIVE TYPE QUESTIONS Each Question carries 2 marks. Choose correct or the best alternative in the following: Q.1 Translator for low level programming language were termed as (A) Assembler (B) Compiler (C) Linker (D) Loader Ans: (A) Q.2 Analysis which determines the meaning of a statement once its grammatical structure becomes known is termed as (A) Semantic analysis (B) Syntax analysis (C) Regular analysis (D) General analysis Ans: (A) Q.3 Load address for the first word of the program is called (A) Linker address origin (B) load address origin (C) Phase library (D) absolute library Ans: (B) Q.4 Symbolic names can be associated with (A) Information (B) data or instruction (C) operand (D) mnemonic operation Ans: (B) Q.5 The translator which perform macro expansion is called a (A) Macro processor (B) Macro pre-processor (C) Micro pre-processor (D) assembler Ans: (B) Q.6 Shell is the exclusive feature of (A) UNIX (B) DOS (C) System software (D) Application software Ans: (A) Q.7 A program in execution is called (A) Process (B) Instruction (C) Procedure (D) Function DC14 System Software and Operating System 2 Ans: (A) Q.8 Interval between the time of submission and completion of the job is called (A) Waiting time (B) Turnaround time (C) Throughput (D) Response time Ans: (B) Q.9 A scheduler which selects processes from secondary storage device is called (A) Short term scheduler. (B) Long term scheduler. (C) Medium term scheduler. (D) Process scheduler. Ans: (C) Q.10 The scheduling in which CPU is allocated to the process with least CPU-burst time is called (A) Priority Scheduling (B) Shortest job first Scheduling (C) Round Robin Scheduling (D) Multilevel Queue Scheduling Ans: (B) Q.11 The term ‘page traffic’ describes (A) number of pages in memory at a given instant. (B) number of papers required to be brought in at a given page request. (C) the movement of pages in and out of memory. (D) number of pages of executing programs loaded in memory. Ans: (C) Q.12 The “turn-around” time of a user job is the (A) time since its submission to the time its results become available. (B) time duration for which the CPU is allotted to the job. (C) total time taken to execute the job. (D) time taken for the job to move from assembly phase to completion phase. Ans: (C) Q.13 Which of the following can be used as a criterion for classification of data structures used in language processing. (A) nature of a data structure (B) purpose of a data structure (C) lifetime of a data structure (D) all of the above. Ans: (D) Q.14 Memory utilization factor shall be computed as follows (A) memory in use/allocated memory. (B) memory in use/total memory connected. (C) memory allocated/free existing memory. (D) memory committed/total memory available. DC14 System Software and Operating System 3 Ans: (B) Q.15 Program ‘preemption’ is (A) forced de allocation of the CPU from a program which is executing on the CPU. (B) release of CPU by the program after completing its task. (C) forced allotment of CPU by a program to itself. (D) a program terminating itself due to detection of an error. Ans: (A) Q.16 An assembler is (A) programming language dependent. (B) syntax dependant. (C) machine dependant. (D) data dependant. Ans: (C) Q.17 Which of the following is not a fundamental process state (A) ready (B) terminated (C) executing (D) blocked Ans: (D) Q.18 ‘LRU’ page replacement policy is (A) Last Replaced Unit. (B) Last Restored Unit. (C) Least Recently Used. (D) Least Required Unit. Ans: (C) Q.19 Which of the following is true? (A) Block cipher technique is an encryption technique. (B) Steam cipher technique is an encryption technique. (C) Both (A) and (B). (D) Neither of (A) and (B). Ans: (C) Q.20 Which of the following approaches do not require knowledge of the system state? (A) deadlock detection. (B) deadlock prevention. (C) deadlock avoidance. (D) none of the above. Ans: (D) Q.21 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 DC14 System Software and Operating System 4 Ans: (A) Q.22 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) Q.23 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) Q.24 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) Q.25 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) Q.26 “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) Q.27 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) Q.28 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 DC14 System Software and Operating System 5 Ans: (D) Q.29 Which amongst the following is valid syntax of the Fork and Join Primitive? (A) Fork <label> (B) Fork <label> Join <var> Join <label> (C) For <var> (D) Fork <var> Join <var> join <var> Ans: (A) Q.30 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) Q.31 A parser which is a variant of top-down parsing without backtracking is (A) Recursive Descend. (B) Operator Precedence. (C) LL(1) parser. (D) LALR Parser. Ans: (A) Q.32 The expansion of nested macro calls follows (A) FIFO rule. (B) LIFO rule. (C) LILO rule. (D) priority rule. Ans: (B) Q.33. In a two-pass assembler, the task of the Pass II is to (A) separate the symbol, mnemonic opcode and operand fields. (B) build the symbol table. (C) construct intermediate code. (D) synthesize the target program. Ans: (D) Q.34 A linker program (A) places the program in the memory for the purpose of execution. (B) relocates the program to execute from the specific memory area allocated to it. (C) links the program with other programs needed for its execution. (D) interfaces the program with the entities generating its input data. Ans: (C) Q.35 Which scheduling policy is most suitable for a time-shared operating system (A) Shortest-job First. (B) Elevator. (C) Round-Robin. (D) First-Come-First-Serve. Ans: (C)Read More
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2. What is an operating system? |
3. What is the difference between system software and application software? |
4. What are the functions of an operating system? |
5. Why is an operating system important for a computer system? |
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