QUESTION 1 What is Binary equivalent to (53.25) 10? O a. 110101.11 b. 110101.01 O c. 10111.01 O d. 10111.11 QUESTION 2 If 1000 0000 is a binary number in excess-127 form, what is the decimal number? O a 127 O b. 255 O c. 128 O d. 1 QUESTION 3 A multiplexer is a device that connects O a. Multiple input lines to a single output line. O b. Single input line to a single output line. O c. Multiple input lines to multiple output lines. O d. Single input line to multiple output lines. QUESTION 4 If A is a Boolean variable then A+0 is equivalent to O a. A Ob.A c. 1 O d.o