BCD adder can be constructed with 3 IC packages each of ____________(a) 2 bits(b) 3 bits(c) 4 bits(d) 5 bitsI got this question in homework.My doubt is from BCD Adder in section Arithmetic Circuits of Digital Circuits

BCD adder can be constructed with 3 IC packages each of ____________(a

1.	BCD adder can be constructed with 3 IC packages each of ____________(a) 2 bits(b) 3 bits(c) 4 bits(d) 5 bitsI got this question in homework.My doubt is from BCD Adder in section Arithmetic Circuits of Digital Circuits
Answer» Right option is (c) 4 bits The explanation: Binary-coded DECIMAL (BCD) is a class of binary encodings of decimal numbers where each decimal digit is represented by a fixed number of bits, usually four or eight. BCD adder can be constructed with 3 IC PACKAGES. Each of 4-bit adders is an MSI(MEDIUM SCALE Integration) function and 3 gates for the correction logic need one SSI (Small Scale Integration) package.

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