31. Which of the following is the most widely used alphanumeric code for computer input and output?
(a) Gray
(b) ASCII
(c) Parity
(d) EBCDIC
32. If a typical PC uses a 20-bit address code, how much memory can the CPU address?
(a) 20 MB
(b) 10 MB
(c) 1 MB
(d) 580 MB
33. The ________ code represents alphanumeric characters as seven-bit binary numbers.
(a) ASCII
(b) octal
(c) alphanumeric
(d) Boy Scout
34. The binary-coded decimal (BCD) system can be used to represent each of the 10 decimal digits as a(n):
(a) 4-bit binary code
(b) 8-bit binary code
(c) 16-bit binary code
(d) ASCII code
35. 3428 is the decimal value for which of the following binary-coded decimal (BCD) groupings?
(a) 11010001001000
(b) 11010000101000
(c) 011010010000010
(d) 110100001101010
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