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Which of the following statements about object model is true? I. Object model encourages the reuse of software and entire design of the application. II. Object model produces systems that are built upon stable intermediate forms. III. Object model reduce the inherent in developing complex systems. IV. None of the mentioned
User level threads are threads that are visible to the programmer and are unknown to the kernel. The operating system kernel supports and manages kernel level threads. Three different types of models relate user and kernel level threads. Which of the following statements is/are true ? (a) (i) The Many - to - one model maps many user threads to one kernel thread (ii) The one - to - one model maps one user thread to one kernel thread (iii) The many - to - many model maps many user threads to smaller or equal kernel threads (b) (i) Many - to - one model maps many kernel threads to one user thread (ii) One - to - one model maps one kernel thread to one user thread (iii) Many - to- many model maps many kernel threads to smaller or equal user threads
The Weberian model of bureaucracy has been criticised from a variety of stand points.
Consider the following points in this regard:
1. The Weberian model appears to be a 'machine theory' and a closed system model taking little account of organisational interactions with the environment.
2. The structural features of bureaucracy as laid down by Weber might be suitable for routine and repetitive tasks but these would produce dysfunctional consequences in terms of human behaviour if the jobs would involve innovation and creativity.
3. Weberian model has not been found to respond adequately to the tasks of socioeconomic transformation in the developing countries. These tasks require quick changes whereas the capacity of the Weberian model for adaptation to change is rather slow.
4. Weber's model is confined to the study of formal bureaucratic structure and fails to take notice of the informal structure of bureauracy such as informal relations, informal norms and values, an informal power hierarchy and informal power struggles.
Which of the above points make a valid criticism of the Weberian model? Select the correct answer from below:
The ODMG Object Model requires that a relationship be specified in both directions.
Which of the following is/are correct about a strictly binary tree? A. A binary tree is called strictly binary tree if every non-­leaf node of it has non empty left and right sub tree B. In strictly binary tree can have two children or no child C. A strictly binary tree with n leaves always contact 2n­-1 nodes
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives.
Enterprising skill is the ______________ of a teacher to see the perspective of the entire institution and the inter-relationships _____________ and between its parts. Itincludes the ability of a teacher to visualise the academic pursuit ___________ a holistic manner and consider a situation in totality. These skills involve _______________abstract and innovative ideas, constructing models and relationships, and anticipating the implications ________ actions.
inter-relationships _____________ and between
The plum pudding ( first model )of the atom was proposed by JJ Thomson. Which of the following is/are the limitations of the Thomson model (i) The model wasn't able to explain the alpha scattering (ii) The model failed to explain the position of nuclei  (iii) The model failed to explain how the positive charges hold the negative charges (iv)The model failed to explain the existence of electrons in an atom 
The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options. P: This is the same whether you are at work or in your personal life. Q: Relationships are easy until there is an emotional turmoil. R: When you can change the interpretation in your mind of what you think you can change your emotions and shift the emotional quality of your relationships. S: When you can change the emotions in your relationships you open up entirely new possibilities in your life.
The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the mostlogical order of sentences from among the options. P: This is the same whether you are at work or in your personal life.
Q: Relationships are easy until there is an emotional turmoil.
R: When you can change the interpretation in your mind of what you think you can change your emotions and shift the emotional quality of your relationships.
S: When you can change the emotions in your relationships you open up entirely new possibilities in your life.
A source produces binary data at the rate of 10 kbps. The binary symbols are represented as shown in the figure.
Digital Communication mcq question image
The source output is transmitted using two modulation schemes, namely Binary PSK (BPSK) and Quadrature PSK (QPSK). Let and B2 be the bandwidth requirements of BPSK and QPSK respectively. Assuming that the bandwidth of the above rectangular pulses is 10 kHz, B1 and B2 are