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You Are On Multi Choice Question Bank SET 1140

57001. An 8 bit data is to be entered into a parallel in register. The number of clock pulses required is





57002. Which of the following is error correcting code?





57003. A universal shift register can shift





57004. Available multiplexer IC package can have a maximum of 8 inputs.



57005. A16 X 216 __________ .





57006. For the binary number 11101000, the equivalent hexadecimal number is





57007. AECF116 + 15ACD16 = __________ .





57008. A XOR gate has inputs A and B and output Y. Then the output equation is




57009. Wired AND connection can be used in TTL with totem pole output.



57010. The Boolean expression for the circuit of the given figure





57011. What will be BCD number when the output is 0.37 V?





57012. The first machine cycle of an instruction is always





57013. A counter has N flip flops. The total number of states are





57014. Out of S, R, J, K, Preset, Clear inputs to flip flops, the synchronous inputs are





57015. The Boolean expression A ⊕ B is equivalent to





57016. Which of these are two state devices?





57017. What will be minimum conversion rate in 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).




57018. The minimum number of NAND gates required to implement the Boolean function A +AB + AB C is equal to





57019. For the K map of the given figure, the simplified Boolean expression is





57020. The dual of A + [B + (AC)] + D is





57021. A divide by 78 counter can be obtained by





57022. The initial state of MOD-16 down counter is 0110. What state will it be after 37 clock pulses?





57023. The number of address lines in EPROM 4096 x 8 is





57024. If the inputs to a 3 bit binary adder are 1112 and 1112, the output will be 1102



57025. Which display device resembles vacuum tube?





57026. The number of inputs and outputs of a full adder are





57027. A VF display operates on the principle of a vacuum diode.



57028. In a 3 input NAND gate, the number of states in which output is 1 equals





57029. In a mod-12 counter the input clock frequency is 10 kHz. The output frequency is





57030. The total number of input words for 4 input OR gate is





57031. In digital circuits Schottky transistors are preferred over normal transistors because of their





57032. A flip flop is a





57033. A 4 bit parallel type A/D converter uses a 6 volt reference. How many comparators are required and what is the resolution in volts?





57034. Quantization error occurs in





57035. Which of these are universal gates?





57036. Out of latch and flip flop, which has clock input?





57037. A mod 4 counter will count





57038. In the given figure shows a 4 bit serial in parallel out right shift register. The initial contents as shown are 0110. After 3 clock pulses the contents will be





57039. Which of the following finds application in pocket calculators?





57040. Octal number 12 is equal to decimal number





57041. Hexadecimal number E is equal to binary number





57042. Decimal number 46 in excess 3 code =





57043. Logic hardware is available only in NAND and NOR.



57044. A 4 input AND gate is equivalent to





57045. The circuit of the given figure is





57046. A half adder adds





57047. The no. of comparators required in a 3 bit comparator type ADC is





57048. If the ladder reference voltage is 2 V, then minimum comparator resolution required is





57049. In a 7 segment LED display, the minimum number of segments is activated when the input decimal number is





57050. A 4 bit down counter starts counting from 1111 irrespective of modulus.



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