Q. As compared to rental and leasing methods to acquire computer systems for a Management Information System (MIS), purchase method has following advantage :

View solution

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 :

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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)

View solution

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

View solution

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

View solution

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.................

View solution

Q. Identify the incorrect statement :

View solution

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

View solution

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

View solution

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

View solution

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 ?

View solution

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

View solution

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

View solution