Related Questions

A binary adder is a logic circuit that can add _____ binary numbers at a time.
A Hundreds
B Thousands
C One
D Two
E None of the above
An electronic logic gate whose output is logic 0 only when all inputs are logic 1 is
A NOR
B NAND
C OR
D NOT
E None of the above
সাথী সাদৃশ্যানুমানমূলক আরোহ সম্পর্কে ধারণা লাভের জন্য কিছু গ্রন্থের সহায়তা নেয়। এক্ষেত্রে যে গ্রন্থসমূহ সমর্থনযোগ্য- i. A System of Logic ii. A Manual of Logic iii. Introduction to Logic নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i ii ও iii
A number consists of two digits. The sum of the digits is 9. If 63 is subtracted from the number its digits are interchanged. Find the number .
A 81
B 72
C 27
D 54
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and difference of the digits of the number if the ratio between the digits the number is 1 : 2?
A 4
B 8
C 16
D 24
A number consists of two digits. The sum of the digits is 10. If 72 is subtracted from the number, it's digits are interchanged. Find the number.
A 82
B 37
C 55
D 73
Positive logic in a logic circuit is one in which
A logic 0 and 1 are represented by 0 and positive voltage respectively
B logic 0 and, -1 are represented by negative and positive voltages respectively
C logic 0 voltage level is higher than logic 1 voltage level
D logic 0 voltage level is lower than logic 1 voltage level.
A combinational logic circuit which generates particular binary word or number is
A decoder
B multiplexer
C encoder
D demultiplexer
E None of the above
A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory . There are 100 seniors, 150 juniors and 200 sophomres who applied. Each senior's junior's name , 2 times; and each sophomres who applied. Each senior's name is placed in the lottery 3 times; each junior's name ,2 times name, 2 times ; and each sphomore's name , 1 time . What is the probability that a senior's name will be chosen?
A 18
B 38
C 48 
D 28
Consider four digit numbers for which the first two digits are equal and the last two digits are also equal. How many such numbers are perfect squares?
A 2
B 4
C 0
D 1
E 3

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