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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