231. A binary code that progresses such that only one bit changes between two successive codes is:
(a) nine’s-complement code
(b) 8421 code
(c) excess-3 code
(d) Gray code
232. The primary use for Gray code is:
(a) coded representation of a shaft’s mechanical position
(b) turning on/off software switches
(c) to represent the correct ASCII code to indicate the angular position of a shaft on rotating machinery
(d) to convert the angular position of a shaft on rotating machinery into hexadecimal code
233. One way to convert BCD to binary using the hardware approach is:
(a) with MSI IC circuits
(b) with a keyboard encoder
(c) with an ALU
(d) UART
234. Which of the following is not a weighted value positional numbering system:
(a) hexadecimal
(b) binary-coded decimal
(c) binary
(d) octal
235. If two inputs are active on a priority encoder, which will be coded on the output?
(a) the higher value
(b) the lower value
(c) neither of the inputs
(d) both of the inputs
Related Posts
51. Decimal 474 is ________ in BCD. (a) 0100 0111 0100 (b) 0100 1011 0101 (c) 0100 1001 0011 (d) 0110 1011 1001 52. The largest BCD number that can be represented with four binary bits is ________. (a) 9 (b) 10 (c) 15 (d) 16 53. The decimal equivalent of the BCD number 1010 is ________. (a) 8 (b) 10 (c) 12 (d) invalid- 101. When Karnaugh mapping, we must be sure to use the ________ number of loops. (a) maximum (b) minimum (c) median (d) Karnaugh 102. VHDL is very strict in the way it allows us to assign and compare ________ such as signals, variables, constants, and literals. (a) objects (b) LOGIC_VECTORS (c) designs (d) arrays 103. The ________ statement evaluates the variable status. (a) IF/THEN (b) IF/THEN/ELSE (c) CASE (d) ELSIF 104. In VHDL, data can be each of the following types except ________. (a) BIT (b) BIT_VECTOR (c) STD_LOGIC (d) STD_VECTOR 105. Except for ________, STD_LOGIC may have the following values. (a) 'z' (b) 'U' (c) '?' (d) 'L' 106. After each circuit in a subsection of a VHDL program has been ________, they can be combined and the subsection can be tested. (a) designed (b) tested (c) engineered (d) produced 107. The correct output for this XOR truth table is ________. (a) (b) (c) (d) 108. In an odd-parity system, the data that will produce a parity bit = 1 is ________. (a) data = 1010011 (b) data = 1111000 (c) data = 1100000 (d) All of the above 109. Parity generation and checking is used to detect ________.…
- Home » Electronics Engineering » Digital Electronics » Binary Codes
- Home » Electrical Engineering » Circuit Laws
- Home » Indian Geography » Drainage System of India