The logic 1 in positive logic system is represented by: negative voltage zero voltage higher voltage level None of these lower voltage level TRUE ANSWER : ? YOUR ANSWER : ?
An inverter is also called a _____ gate. AND NAND NOT None of these OR TRUE ANSWER : ? YOUR ANSWER : ?
A 2's-complement adder-subtracter can add or subtract binary numbers. Sign-magnitude numbers represent _____ decimal numbers, and 2's complements stand for _____ decimal numbers. negative, positive None of these positive, negative hexa, sign sign, hexa TRUE ANSWER : ? YOUR ANSWER : ?
De Morgan's second therm says that NAND gate is equivalent to a bubbled _____ gate. XOR AND OR None of these XAND TRUE ANSWER : ? YOUR ANSWER : ?
What is the 1's complement of 0000 1111 0010 1101 number? 1111 0000 0010 1101 None of these 1111 1100 1010 1100 1001 0010 1010 1100 1111 0000 1101 0010 TRUE ANSWER : ? YOUR ANSWER : ?
Conversion of an octal number 1108 to its decimal number is 11010 7010 None of these 7210 7310 TRUE ANSWER : ? YOUR ANSWER : ?
With a NAND latch a low R and a low S produce a _____ condition. reset None of these set no change race TRUE ANSWER : ? YOUR ANSWER : ?
The NOR gate is logically equivalent to an OR gate followed by an _____ XAND None of these XOR inverter AND TRUE ANSWER : ? YOUR ANSWER : ?
Conversion of binary number 1010000101112 to hexadecimal number is D8F916 A8B916 A1716 None of these D9F816 TRUE ANSWER : ? YOUR ANSWER : ?
A flip-flop is a _____ element that stores a binary digit as a low or high voltage. memory chip bus None of these I/O TRUE ANSWER : ? YOUR ANSWER : ?