IBPS IT Specialist Officer professional knowledge Practice -6

1. What are the safest ways to edit registry in win 95?

[A] Edit

[B] REGEDIT

[C] DEVICE MANAGER

[D] Control Panel Applets

[E] None of these

(Ans):-D

 

2. Input of Lex is -----

[A] Set a regular expression

[B] Statement

[C] Numeric data

[D] ASCII code

[E] None of these

(Ans):-A

 

3. Stack is …………………… structure.

[A] Last in first out (LIFO)

[B] First in First out (FIFO)

[C] First in Last out (FILO)

[D] First come First served (FCFS)

[E] None of these

(Ans):-A

 

4. 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?

[A] A compiler using static memory, allocation can be written for L.

[B] A compiler cannot be written L: an interpreter must be used

[C] A compiler using dynamic memory allocation can be written

[D] All of the above

[E] None of these

(Ans):-C

 

5. 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?

[A] Direct

[B] Pilot

(3)Phased

(4)Parallel

[E] None of these

(Ans):-D

 

6. In open (), the mode, that opens a binary file for readings is

[A] r

[B] r+

[C] rb

(4)r+b

[E] None of these

(Ans):-C

 

7. Dirty bit for a page in a page table

[A] Helps avoid unnecessary writers on a paging device

[B] Helps maintain LRU information

(3)Allows only read on as page

[D] All the above

[E] None of these

(Ans):-A

 

8. Which of the following is not a logical database structure?

[A] Tree

[B] Relational

[C] Network

[D] Chain

[E] None of these

(Ans):-D

 

9. Which is not included in the UNIX file system?

[A] Bin

[B] Usr

[C] Dev

[D]  All the above

[E] None of these

(Ans):-D

 

9. The idea of automation with a stack as auxiliary storage----

[A] Finite automata

[B] Pushdown automata

[C] Deterministic automata

[D] All the above

[E] None of these

(Ans):-B

 

11. 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.

[A] Left most derivation

[B] Left most derivation traced out in reverse

[C] Right most derivation

[D] Right most derivation traced out in reverse

[E] None of these

(Ans):-A

 

12. Layer one of the OSI model is:

[A] Physical layer

[B] Link layer

[C] Transport layer

[D] Network layer

[E] None of these

(Ans):-A

 

13. IE uses ……………………

[A] Active X controls for interaction between browser and third party application and the operating system

[B] Active X control for browser and operating system

[C] Both 1 and 2

[D] Active X controls for only operating system

[E] None of these

(Ans):-A

 

14. Parsing is also known as ----------

[A] Lexical analysis

[B] Syntax analysis

[C] Semantic analysis

[D] Code generation

[E] None of these

(Ans):-B

 

15. The derivation will be called a ………………….derivation if the non-terminal symmbol replaced at every step is the left most non-terminal symbol in the string.

[A] Left shifting

[B] Left recursion

[C] Left most

[D] Left pushdown

[E] None of these

(Ans):-C

 

16. Who provide the leased line?

[A] WWW

(2)TCP/IP

[C] ISDN

[D] ISP

[E] None of these

(Ans):-D

 

17. Master slave flip-flop is also referred to as the………….

[A] Level triggered flip-flop

[B] Pulse triggered flip-flop

[C] Edge triggered flip-flop

[D] All the above

[E] None of these

(Ans):-B

 

18. Which of the following circuit type is based up on time or clock pulse?

[A] Combinational circuit

[B] Sequential circuit

[C] Full adder

[D] All the above

[E] None of these

(Ans):-B

 

19. A solution to the problem were the source and destination hosts are on the same type of network, but there is a different network in between------

[A] Data link

[B] Packet

[C] Tunneling

[D] Hopping

[E] None of these

(Ans):-C

 

20. Which is true?

[A] Functional testing is called black box testing

[B] Structure testing is called glass box testing

[C] Glass box testing is called white box testing

(D) All the above

[E] None of these

(Ans):-D

 

21. Storage class defines

[A] The data type

[B]  The scope

[C] The scope and perfomance

[D]  The scope, performance and data type

[E] None of these

(Ans):-C

 

22. 128.167.152.2 is a class________ address

[A] A

[B] B

[C] C

[D] D

[E] None of these

(Ans):-B

 

23. DMA is

[A] High speed I/O devices

[B] It transfers blocks of data directly to and from its own buffer storage to memory

[C] In DMA transfer for I/O, CPU has no intervention

[D] All the above

[E] None of these

(Ans):-D

 

24. Randomized quick sort is an extension of quick sort where the pivot is chosen randomly. What is the worst case complexity of sorting n numbers using randomized quick sort?

[A] 0 (n)

[B] 0 (n log n)

[C] 0 (n2)

[D] 0 (log n)

[E] None of these

(Ans):-B

 

25. CIDR (Classless inter Domain Routing)

[A] It is used in class C Networks

[B] It is used in class B Networks

[C] It is used in class A Network

[D] All the above

[E] None of these

(Ans):-A

 

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