multiple choice

please I want it fast no need to explain

1)The output of a three input AND gate (with inputs A, B and C) is equal to 1 when

a.A=1, B=1, C=1

b.A=1, B=0, C=1

c.A=0, B=0, C=0

d.A=1, B=1, C=0

2)The BCD equivalent of the decimal number 10 is

a.A

b.0001 0000

c.001 000

d.1010

fiil in the blank:

3)Write the Octal number for the binary number 1 0 1 0 0 1 1 1 0 1 1 1 1 1 1 1 1 0 1 .........

.

4) .........is a digital code in which each of the decimal digits 0 through 9 is represented by a 4 bit binary code.

5)The BCD number for the decimal number 59802 is ......