Hello and welcome to exampundit . Here is the eighth Set of IBPS/SBI Specialist IT Officer Professional Knowledge Quiz.
1. Input of Lex is —–
1) Set a regular expression
2) Statement
3) Numeric data
4) ASCII code
5) None of these
2. Stack is ____________ structure.
1) Last in first out (LIFO)
2) First in First out (FIFO)
3) First in Last out (FILO)
4) First come First served (FCFS)
5) None of these
3. A language L allows declaration of arrays whose sizes are not known during compilation. It is required to use efficient use of memory, which one of the following is true?
1) A compiler using static memory, allocation can be written for L.
2) A compiler cannot be written L: an interpreter must be used
3) A compiler using dynamic memory allocation can be written
4) All of the above
5) None of these
4. Which of the following systems implementation approaches should be used if you want to run the old system and the new system at the same time for a specified period?
1) Direct
2) Pilot
3) Phased
4) Parallel
5) None of these
5. In open (), the mode, that opens a binary file for readings is
1) r
2) r+
3) rb
4) r+b
5) None of these
6. Dirty bit for a page in a page table
1) Helps avoid unnecessary writers on a paging device
2) Helps maintain LRU information
3) Allows only read on as page
4) All the above
5) None of these
7. Which of the following is not a logical database structure?
1) Tree
2) Relational
3) Network
4) Chain
5) None of these
8. Which is not included in the UNIX file system?
1) Bin
2) Usr
3) DevQ
4) All the above
5) None of these
9. The idea of automation with a stack as auxiliary storage—-
1) Finite automata
2) Pushdown automata
3) Deterministic automata
4) All the above
5) None of these
10. Which of the following derivations does a top-down parser while parsing an input string?
The input is assumed to be scanned in left to right order.
1) Left most derivation
2) Left most derivation traced out in reverse
3) Right most derivation
4) Right most derivation traced out in reverse
5) None of these
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