Digital Electronics-Digital Arithmetic Operations and Circuits

Digital Electronics-Digital Arithmetic Operations and Circuits
81. The carry-out of a binary adder is identified using the summation symbol, sigma.
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82. The 74LS382 ALU is a 24-pin arithmetic/logic unit.
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83. The two's-complement method is used in computer systems that perform arithmetic.
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84. Digital computers use an easier method to subtract binary numbers, called one's complement.
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85. Binary multiplication is like decimal multiplication except you deal only with 1s and 0s.
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86. The solution to the binary problem 1011 – 0111 is 1000.
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87. A 74HC283 can be used to implement a 4-bit full adder.
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88. The range of negative numbers when using an eight-bit two's-complement system is –1 to –128.
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89. If no bits are designated inside square braces, [ ], it means the variable is the null set.
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90. This logic gate is used to produce an arithmetic sum XOR.
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Digital Electronics
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