91. In communication network security issues ‘Authentication’ deals with: (a) Keeping information out of hands of unauthorized user (b) Determining whom…

81. For vectors,  The magnitude of 5𝐴−2𝐵 will be: (a) √969 (b) √699 (c) √696 (d) √669 Answer: (a) 82. A zero operand computer always keeps operands in…

71. Frequency response test is not recommended for system with: (a) Very low time constants (b) Small time constants (c) Large time constants (d) Any ti…

61. The quantization noise power N𝑞 (Mean squared value) of the quantization error, with usual notation will be: Answer: (d) 62. In order to produce ‘1…

51. In a 8 bit counter type Analog to Digital converter which is driven by 500 kHz clock. The maximum conversion time will be: (a) 542 𝜇s (b) 524 𝜇s (c)…

41. Consider the following function: The final value of 𝑧 (𝑡 ) will be: (a) 1/2 (b) 3/2 (c) 1/3 (d) 2/3 Answer: (a) 42. The current through a circuit …

31. A linear second order with single degree of freedom system has a mass of   and stiffness of 1000 𝑁/𝑚. The natural frequency of the system will be:…