Question 1 In the ASCII-7 table, the value of the NULL Control Character is... o a. 05 o b.06 e c. 07 e d.08 e. None of the given answers is correct Question 2 In the ASClI-7 table, the letter u is represented by o a. 57 a) b. 56 o c. 67 o d. 65 e. 75 Question 3 The " natural" number system in computers is o a. Binary o b. Decimal c. Octal o d. Hexadecimal o e. None of the given answers is correct Question4 The Binary number 10101 is equal to which decimal number? a, 21 b.24 . 31 d, 16 e. None of the given answers is correct Question 5 A valid decimal number will be composed of any number of digits, each of which can only go. O a. from 0 to 9 e b. from 1 to 10 e c from 1 to 9 e d. from 0 to 10 e e. None of the given answers is correct Question 6 The Hexadecimal number 1A is equal to which Octal number? O a. 31 o b. 32 . 33 d.30 e. None of the given answers is correct Question 7 The Octal number 7 is equal to which Hexadecimal number? O a. A o e. None of the given answers is correct