Q. Consider the conditional entropy and mutual information for the binary symmetric channel. The input source has alphabet X={0,1} and associated probabilities {1/2,1/2}. The channel matrix is as shown below, where p is the transition probability. Then the conditional entropy is given by :

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Q. Which of the following is not a lossy compression technique ?

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Q. Blind image deconvolution is ................

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Q. A basic feasible solution of a linear programming problem is said to be ............... if at least one of the basic variable is zero.

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Q. Match the following with respect to the mobile computing technologies :

List-I                                       List-II
a. GPRS                        i. An integrated digital radio standard
b. GSM                         ii.3G wireless/Mobile technology
c. UMTS                       iii. Nine different schemes for modulation and error correction
d. EDGE                       iv. An emerging wireless service that offers a mobile data

codes:
a   b   c   d

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Q. SET, an open encryption and security specification model that is designed for protecting credit card transactions on the internet, stands for

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Q. Which of the following statements is not correct with reference to distributed systems ?

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Q. The portion of Windows 2000 operating system which is not portable is

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Q. Match the following for Windows Operating System :

(a) Hardware abstraction layer          (i) Starting all processes, emulation
of different operating systems,
security functions, transform character
based applications to graphical
representation.
(b) Kernel                                               (ii) Export a virtual memory interface,
support for symmetric multiprocessing,
administration, details of mapping
memory, configuring I/O buses,
setting up DMA.
(c) Executive                                        (iii) Thread scheduling, interrupt and
exception handling, recovery
after power failure.
(d) Win32 subsystem                          (iv) Object manager, virtual memory
manager, process manager, plug and-
play and power manager.

Codes :
(a)   (b)  (c)  (d)

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Q. Repository of information gathered from multiple sources, storing under unified scheme at a single site is called as

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Q. The task of correcting and pre processing data is called as

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Q. When a mobile telephone physically moves from one to another cell, the base station transfers ownership to the cell getting strongest signal. This process is known as.................

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Q. Identify the incorrect statement :

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Q. ……………. is not an E-Commerce application.

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Q. …………. is a satellite based tracking system that enables the determination of person’s position.

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Q. Suppose that a given application is run on a 64-processor machine and that 70 percent of the application can be parallelized. Then the expected performance improvement using Amdahl’s law is

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Q. In an image compression system 16384 bits are used to represent 256 × 256 image with 256 gray levels. What is the compression ratio for this system ?

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Q. If the pixels of an image are shuffled then the parameter that may change is

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Q. The common property of functional language and logical programming language :

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Q. The quantiser in an image-compression system is a

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