MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question 1) The highest decimal value that can be represented by a 7-bit binary number is A) 63 B) 127 C) 128 D) 64 2) In binary addition, 0111+0001 A) 1001 B) 111 C)1000 D) 1110 3) Perform the following binary subtraction: 101-11 A) 111 B) 001 C110 D)010 4) In binary multiplication, 11 x 11 A) 1111 B)1 C1001 D) 110 5) The 2's complement of binary 110110 is A) 001001 B) 101010 C)110100 D001010 6) Which of the following is an invalid BCD code? A) 0101 B) 1001 C) 0011 D) 1101 7) 4-bit gray code 1111 represents which decimal number? A)5 B)7 C10 D) 15 8) If you want to represent 3.248 X 10 in single-precision floatingpoint binary number, what will be the decimal for equivalent exponent (8 bit)? A) 141 B) 14 C)4 D)None of the above 9) HDL stands for A) hardware description language C) hardwired digital logic B) hardwire descriptive logic D) none of the above 10) The truth table below describes a(n)-- 0 A) AND gate B)OR gate C) NOR gate D)NAND gate