Placement Papers: ICICI Paper on 25th Sept 2008
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- A 2MB PCM (pulse code modulation) has
- 32 channels
- 30 voice channels & 1 signalling channel.
- 31 voice channels & 1 signalling channel.
- 32 channels out of which 30 voice channels, 1 signalling channel, & 1 Synchronizatio channel.
- Answer: c
- Time taken for 1 satellite hop in voice communication is
- second
- 1 seconds
- 4 seconds
- 2 seconds
- Answer: a
- A dishonest shopkeeper professes to sell pulses at the cost price, but he uses a false weight of 950gm. For a kg. His gain is? % .
- Max number of satellite hops allowed in voice communication is:
- only one
- more than one
- two hops
- four hops
- Answer: c
- Conditional results after execution of an instruction in a micro processor is stored in
- register
- accumulator
- flag register
- flag register part of PSW (Program Status Word)
- Answer: d
- Frequency at which VOICE is sampled is
- 4 Khz
- 8 Khz
- 16 Khz
- 64 Khz
- Answer: a
- Line of Sight is
- Straight Line
- Parabolic
- Tx & Rx should be visible to each other
- none
- Answer: c
- Purpose of PC (Program Counter) in a Micro Processor is
- To store address of TOS (Top Of Stack)
- To store address of next instruction to be executed.
- count the number of instructions.
- to store base address of the stack.
- Answer: b
- What action is taken when the processor under execution is interrupted by a non-maskable interrupt?
- Processor serves the interrupt request after completing the execution of the current instruction.
- Processor serves the interupt request after completing the current task.
- Processor serves the interupt request immediately.
- Processor serving the interrupt request depends upon the priority of the current task under execution.
- Answer: a
- The status of the Kernel is
- task
- process
- not defined.
- none of the above:
- Answer: b
- To send a data packet using datagram, connection will be established
- before data tr Ans: Mission.
- connection is not established before data tr Ans: Mission.
- no connection is required.
- none of the above:
- Answer: c
- Word allignment is
- alligning the address to the next word boundary of the machine.
- alligning to even boundary.
- alligning to word boundary.
- none of the above:
- Ans: (a)
- When a C function call is made, the order in which parameters passed to the function are pushed into the stack is
- left to right
- right to left
- bigger variables are moved first than the smaller variales.
- smaller variables are moved first than the bigger ones.
- none of the above:
- Ans: (b)
- What is the type of signalling used between two exchanges?
- inband
- common channel signaling
- any of the above
- none of the above:
- Ans: (a)
- Buffering is
- the process of temporarily storing the data to allow for small variation in device speeds
- a method to reduce cross talks
- storage of data within tr Ans: Mitting medium until the receiver is ready to receive.
- a method to reduce routing overhead.
- Ans: (a)
- Memory allocation of variables declared in a program is
- allocated in RAM.
- allocated in ROM.
- allocated on stack.
- assigned to registers.
- Ans: (c)
- A software that allows a personal computer to pretend as a computer terminal is
- terminal adapter
- bulletin board
- modem
- terminal emulation
- Ans: (d)
- Find the output of the following program int ā¹ p, ā¹ q; p = (int ā¹) 1000; q = (int ā¹) 2000; printf ( ā% dā (q-p) ,) ; Ans: 500
- Which addressing mode is used in the following statements:
- MVI B, 55
- MOV B, A
- MOV M, A
- Ans: a, Immediate addressing mode.
- (b) Register Addressing Mode
- (c) Direct addressing mode
- ā¹ -232C standard is used in ________. Ans: Serial I/O
- Memory. Management in Operating Systems is done by
- Memory Management Unit
- Memory management software of the Operating System
- Kernel
- Answer: b
- What is done for a Push opertion? Ans: SP is decremented and then the value is stored.
- Binary equivalent of 52 Ans: 110100
- Hexadecimal equivalent of 3452 Ans: 72A
- Explain Just In Time Concept? Ans: Elimination of waste by purchasing manufacturing exactly when needed
- A good way of unit testing s/w program is Ans: User test
- OOT uses Ans: Encapsulated of detect methods
- EDI useful in Ans: Electronic Tr Ans: Mission
- MRPII different from MRP Ans: Modular version of man redundant initials
- Hard disk time for R/W head to move to correct sector Ans: Latency Time
- The percentage of times a page number bound in associate register is called Ans: Bit ratio
- Expand MODEM Ans: Modulator and Demodulator
- RDBMS file system can be defined as Ans: Interrelated
- Super Key is Ans: Primary key and Attribute
- Windows 95 supports
- Multiuser
- n tasks
- Both
- None
- Ans: a
- In the command scanf, h is used for Ans: Short int
- A process is defined as Ans: Program in execution
- A thread is Ans: Detachable unit of executable code
- A thread is Ans: Detachable unit of executable code
- How is memory management done in Win95 Ans: Through paging and segmentation
- What is meant by polymorphism Ans: Redfinition of a base class method in a derived class
- What is the essential feature of inheritance Ans: All properties of existing class are derived
- What does the protocol FTP do AnsTr Ans: Fer a file b/w stations with user authentification
- In the tr Ansport layer, TCP is what type of protocol Ans: Connection oriented
- Why is a gateway used Ans: To connect incompatible networks
- How is linked list implemented Ans: By referential structures
- What method is used in Win95 in multitasking Ans: Non preemptive check
- What is a semaphore Ans: A method synchronization of multiple processes
- What is the precedence order from high to low, of the symbols () ++ /Ans: () . ++ , /
- Preorder of A ā¹ (B + C) /D-G Ans: ā¹ + ABC/-DG
- What is the efficiency of merge sort Ans: O (n log n)
- In which layer are routers used Ans: In network layer
- Which of the following sorting algorithem has average sorting behavior--Bubble sort, merge sort, heap sort, exchange sort Ans: Heap sort
- In binary search tree which traversal is used for getting ascending order values--Inorder, post order, preorder Ans: Inorder
- What are device drivers used for
Ans: To provide software for enabling the hardware