What are the \"digits\" ordinarily used for base six? a. 1 2 3 4 5 6 b. 0 1 2 3

Question

What are the "digits" ordinarily used for base six? a. 1 2 3 4 5 6 b. 0 1 2 3 4 5 c. 0 1 2 3 4 5 6 d. a b c d e f a. Add these 2's complement numbers and write the equivalent decimal value of the result. Indicate whether or not overflow occurs: 11010111 + 11101000 b. Subtract these 2's complement numbers and write the equivalent decimal value of the result. Indicate whether or not overflow occurs: 01110101 - 10000111 Here is a number represented in base 16 notation: 2E3E. Write the number in unsigned binary notation. a. 1000 1010 0011 1111 B. 0010 1110 0011 1110 c. 0101 1000 0111 1111 d. 1000 1001 0011 1000 e. 1011 0001 0000 1110 f. 1110 1011 1011 1001 What is the result of performing an exclusive or of a bit pattern with itself? a. The result is all zero bits. b. The result is the same as the original. c. The result is all one bits. d. The result is the reverse of the original.

Explanation / Answer

5. answer is b
0 1 2 3 4 5
We don't need 6 at all: out of just those six symbols we are going to represent every possible number!
So, we start by listing all the symbols after the "zero."

8. What is the result of performing an exclusive or of a bit pattern with itself

Answer a.The result is all zero bits.

7. A number represented in base 16 notation: 2E3E. write the number in unsigned binary notation

2E3E = 10×16^2 + 3×16^1 + 14×16^0
  
Answer b. 0010 1110 0011 1110

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