Practice IT Operating System Questions and Answers

• Which statement is FALSE for analog input module for PLCs? 
•  Resolution of analog to digital converter is given by_____
• A 4-bit ADC converter has a full-scale analog imput of 5 Volt. Its resolution is _________
• Which of the following algorithm uses Darwinian based algorithm to find the best solutions to solve complicated problems with a greater number of variables...
• When a large number of analog signal is to be converted to digital form, an analog multiplexer is used. The best suites analog to digital converter for thi...
• Which of the following operation is performed by Domain Name Server (DNS)?
• Which statement is true regarding Inductor and capacitor filter respectively used in the rectifier?
• In a nodal analysis a circuit with 10 nodes will have _______ unknown voltage and _______equation. 
• In a digital communication system, let the encoding scheme be “Add 1 at the end of the bit stream if number of 1 bits is odd, else add 0 at the end of bi...
• The output of the circuit below is _______
• Maximum Power transfer occurs when the_____
• The Maximum Power transfer theorem states that maximum power is delivered when_______
• Which probability distribution is most widely used to model channel noise in pulse code modulation?
• Which probability distribution is most widely used to model quantization noise in pulse code modulation ?
• What are the different modes of fiber optic communication?
• What is capacity of memory having 16 address lines of row decoder, 8 address lines for column decoder and 8 data lines? 
• Which of the following action is treated as Anomaly while understanding User activity logs?
• Which of the following is TRUE for PROM memories?
• What is the name of the challenge in email forensics, when criminals used to present an email as someone else’s and in this case the machine will receive...
• What is the range of the header of a TCP segment in bytes?
• What is the outpur of the following part of python program? s="india" 1=0 for x in s: if(X!="i"): 1=1+1 else: pass print(1)
• If 2 K bits/second is bit rate, what is the minimum PCM bandwidth required for successful transmission? 
• Which of the following element in XSLT is used to apply a template repeatedly on each node?
• Which are the popular frequency ranges used in India for Wi-Fi communication ?
• In PAM technique which of the below attributes of the pulse is used to vary as the amplitude of message varies
• Which statement is true regarding Frequency Modulation(FM)?
• Simplify the Boolean expression. Y= AB+A(B+C)+B(B+C)
• Which statement is FALSE regarding Zener diode?
• Which of the following protocol is a network layer protocol and used for reporting errors?
• Which of the following protocol is used for discovering link layer address or MAC address, associated with a given internet layer address?
• Which of the following language defines the structure, the legal elements and the attributes of an XML document?
• The precision is composed of which of the following two characteristics?
• The transfer function of the system below is ___________
• Which statement is TRUE regarding Norton theorem?
• If receiver noise floor is 2 dB, signal-to-noise ratio is 3 dB then what is the receiver sensitivity?
• Which statement is FALSE for PLL used for demodulation of FM?
• Which of the following sorting technique is an example of Divide and Conquer technique?
• Consider the following statement regarding DIAC. Statement (1): DIAC is unidirectional device. Statement (2): DIAC can be used for triggering TRIAC. Statem...
• Which statement is TRUE regarding DIAC thyristor.
• Which of the following statement is correct related to branch and bound method?