IBPS IT Officers Professional Knowledge Quiz

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1. The strategy of allowing processes that are logically runnable to be temporarily suspended is called ?
1. preemptive scheduling
2. non preemptive scheduling
3. shortest job first 
4. first come first served
5. none of these
2. The LRU algorithm
1. pages out pages that have been used recently 
2. pages out pages that have not been used recently 
3. pages out pages that have been least used recently 
4. pages out the first page in a give area 
5. none of these
3. Which of the following systems software does the job of merging the records from two files into one ?
1. security software 
2. utility program 
3. networking software 
4. documentation system 
5. none of these
4. Which of the following statement is false ?
1. the technique of storage compaction involves moving all occupied areas of storage to one end or other of main storage 
2. compaction does not involve relocation of programs
3. compaction is also known as garbage collection 
4. the system must stop everything while it performs the compaction 
5. none of these
5. User-Friendly systems are :

1. required for object- oriented programming 
2. easy to develop
3. common among traditional mainframe operating systems 
4. becoming more common 
5. none of these
6. Which of the following addressing modes, facilitates access to an operand whose location is defined relative to the beginning of the data structure in which it appears ?
1. ascending
2. sorting 
3. index
4. indirect
5. none of these
7. The FIFO algorithm 
1. executes first the job that last entered the queue
2. executes first the job that first entered the queue
3. execute first the job that has been in the queue from longest 
4. executes first the job with the least processor needs 
5. none of these
8. Assembly code data base is associated with ?
1. assembly language version of the program which is created by the code generation phase and is input to the assembly phase 
2. a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure 
3. consists of a full or partial list or the tokens as they appear  in the programm. Created by Lexical analysis and used for syntax analysis and interpretation.
4. a permanent table which lists all key words and special symbols of the language in symbolic form
5. none of these
9. In which addressing mode the effective address of the operand is the contents of a register specified in the instruction and after accessing the operand, the contents of this register is incremented to point to the next item in the list ?
1. index addressing 
2. indirect addressing 
3. auto increment 
4. auto decrement 
5. none of these
10. In which addressing mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands ?
1. index addressing 
2. indirect addressing 
3. auto increment 
4. auto decrement 
5. none of these
11. What is the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer user's productivity ?
1. defined values
2. fixed values 
3. default values 
4. special values 
5. none of these
12. The Register - to - Register instructions 
1. have both their operands in the main store 
2. which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, except in the case of store operation when it is also written into the specified storage location
3. which perform indicated operations on two fast registers of the machine and leave the result in one of the registers
4. all of these 
5. none of these
13. The process of transferring data intended for a peripheral device into a disk (or intermediate store) so that it can be transferred to peripheral at a more convenient time or in bulk, is known as 
1. multiprogramming 
2. spooling 
3. caching 
4. virtual programming 
5. none of these
14. Which of the following capabilities is required for a system program to execute more than one program at a time ?
1. word processing
2. compiling
3. virtualmemory
4. multitasking
5. none of these
15. The action of parsing the source program into the proper syntactic classes is known as 
1.  syntax analysis 
2. lexical analysis 
3. interpretation analysis 
4. general syntax analysis
5. none of these
16. Banker's algorithm for recourse allocation deals with  ?
1. deadlock prevention
2. resources of nationalized banks
3. deadlock avoidance
4. deadlock recovery 
5. mutual exclusion 
6. none of these
17. Relocation bits used by relocating loader are specified (generated) by ? 
1. relocating loader itself 
2. linker
3. assembler or translator 
4. macro processor 
5. none of these
18. The higher versions of the operating systems are so written that programs designed for earlier versions can still be run. What is it called ?
1. upgradability 
2. upward mobility 
3. universality 
4. upward compatibility 
5. none of these
19. Which policy replaces a page if it is not in the favored subset of a process' pages ? 
1. FIFO
2. LRU
3. LFU
4. Working set
5. none of these
20. Which of the following terms refers to the degree to which data in a database system are accurate and correct ?
1. data security 
2. data validity
3. data independence
4. data integrity 
5. none of these

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