57151. For the logic circuit of the given figure the simplified Boolean expression is
57152. If number of information bits is 4, the parity bits in Hamming code are located at bit positions __________ from the LSB.
57153. A certain JK FF has tpd = 12 n sec the largest MOD counter that can be constructed from these FF and still operate up to 10 MHz is
57154. Two 2's complement number having sign bits X and Y are added and the sign bit of the result is Z. then, the occurrence of overflow is indicated by the Boolean function.
57155. If A = 0101, then A' is
57156. 11011 in gray code = __________ .
57157. In the circuit of the given figure, Y =
57158. A . 0 =
57159. The complement of exclusive OR function is
57160. Decimal -90 equals __________ in 8 bit 2s complement
57161. 23.610 = __________ 2
57162. In a shift left register, shifting a bit by one bit means
57163. If A = B = 1, the outputs P and Q in the given figure are
57164. In the given figure, Y =
57165. Assertion (A): The access time of memory is lowest in the case of DRAM Reason (R): DRAM uses refreshing cycle.
57166. In a 3 input NOR gate, the number of states in which output is 1 equals
57167. Assertion (A): Even if TTL gates and CMOS gates used in a realization have the same power supply of + 5 V, suitable circuit is needed to interconnect themReason (R): VOH, VOL, VIH and VIL of a TTL gave are respectively 2.4, 0.4, 2 and 0.8 V respectively. If supply voltage is + 5 V. VIL and VIH for CMOS gate for the supply voltage of + 5 V are 1.5 V and 3.5 V respectively.
57168. The series 54 H/74 H denotes
57169. For a 4096 x 8 EPROM, the number of address lines is
57170. Assertion (A): A PROM can be used as a synchronous counter Reason (R): Each memory location in a PROM can be read synchronously.
57171. ABCD + AB C D =
57172. Find the output voltage for 011100 in a 6 bit R-2R ladder D/A converter has a reference voltage of 6.5 V.
57173. Binary number 1101 is equal to octal number
57174. Logic analyser is
57175. The element found on the surface of the moon is?
57176. In the given figure shows a negative logic AND gate. If positive logic is used this gate is equivalent to
57177. The function Y = A B C + AB C + A B C + A BC is to be realized using discrete gates. The inputs available are A, B, C. We need a total of
57178. A 10 bit D/A converter gives a maximum output of 10.23 V. The resolution is
57179. As applied to a flip flop the word edge triggered's means
57180. A NOR gate is a combination of
57181. The 2's complement representation of - 17 is
57182. TTL inverter has
57183. 4 bit ripple counter and 4 bit synchronous counter are made using flip-flop having a propagation delay of 10 ns each. If the worst case delay in the ripple counter and the synchronous counter be R and S respectively, then
57184. The number of digits in hexadecimal system
57185. Which of these is the most recent display device?
57186. A NOR gate has 3 inputs A, B, C. For which combination of inputs is output HIGH
57187. In 2's complement form, - 2 is
57188. The Boolean function/implemented in the figure using two I/P multiplexers is
57189. A full adder adds
57190. For a Mod 64 parallel counter we need
57191. If the inputs to a 2 input XOR gate are high then, the output is high.
57192. The number of select lines in a 16 : 1 multiplexer are
57193. 9's complement of 5610 is
57194. Am equivalent 2's complement representation of the 2's complement number 1101 is
57195. In a 7 segment display the segments a, c, d, f, g are lit. The decimal number displayed will be
57196. The minimum number of comparators required to build an 8 bit flash ADC is
57197. For a Mod-64 synchronous counter the number of flip flops and AND gates needed is
57198. A 4 bit DAC gives an output of 4.5 V for input of 1001. If input is 0110, the output is
57199. Which of the following characteristic are necessary for a sequential circuit? It must have 6 gatesIt must have feedbackIts output should depend on past value Which of the above statements are correct?