Q. How many JK flip-flops are needed to make a 4-bit shift register?

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Q. A 10 MHz square wave clocks 5 bit ripple counter. The frequency of the 3rd FF output is

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Q. The radix of a hexadecimal system is

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Q. In 8085 microprocessor, what is the memory word addressing capability?

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Q. Gray code is used in devices which convert analog quantities to digital signal because it is

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Q. A transistor is operated as non-saturated switch to eliminate

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Q. Which has the lowest propagation delay time?

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Q. Programmable logic array uses

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Q. The total number of fundamental products of three variables is

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Q. As per Boolean algebra, inputs can be interchanged in

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Q. Medium scale integration refers to ICs with

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Q. The decimal equivalent of the hexadecimal number (3 E 8)₁₆ is

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Q. Four memory chips of 16 x 4 size have their address buses connected together. This system will be of size

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Q. Full adder circuit can be implemented by

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Q. (FE35)₁₆ XOR (CB15)₁₆ is equal to

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Q. If 4 in binary system is 100 then 8 will be

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Q. The ALU carrier out arithmetic and logic operations (OR AND, NOT, etc.) it processes

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Q. In a 4 bit counter the output of 3 JK FFs from MSB downward are connected to the NAND gate whose O/P is connected to CLR

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Q. For checking the parity of a digital word, it is preferable to use

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Q. Among the digital IC families - ECL, TTL, and CMOS

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