Binary Addition Question & AnswersDecember 20, 2021 By WatElectronics This article lists 100 Binary Addition MCQs for engineering students. All the Binary Addition Questions & Answers given below include a hint and a link wherever possible to the relevant topic. This is helpful for users who are preparing for their exams, interviews, or professionals who would like to brush up their fundamentals on Binary Addition.A digital or electronics system mainly relies on the binary representation that is in logic 0 or logic 1 form. In other words, the process of representing the numeric value in logic binary 0’s and 1’s is called binary number or binary number representation. There are 3 main tasks that can be performed on binary number systems namely binary addition, binary multiplication & binary subtraction, using logic gates and IC’s.A device that performs addition on binary bits is called a binary adder. Binary addition is represented in base 2. The 2 main components of a binary adder include opcode and operator which are responsible for performing binary addition. A binary adder requires a minimum of 2 bits to perform addition. For example a+b where a,b are opcode and “+” operand. These binary adders are further divided into half-bit and full-bit binary adders. Where a half adder has 2 inputs (A, B) and 2 outputs (Cout, Carryout) and a full adder has 3 inputs (A, B, Cin) and 2 outputs (Cout, Carryout). The resultant output obtained from binary addition is normalized and represented as a Boolean equation using K-map and logic gates. These binary adders are commonly implemented in counters and arithmetic circuits.1). A binary operation is performed on minimum of ____ operands? 2 3 4 1 HintOdd value.2). Which of the following are the terms used while performing binary calculation? Operands Operator Terms Both a and b Hinta,b and symbol + is called?3). Identify the operand from the example 2+3=5? 2,3 2,5 3,5 2,3,5 HintInput values.4). Identify the operator from the example a+b? a+b a,b + All the above HintSymbol representation in a+b.5). A binary addition is performed using _____ symbol? + - * / HintAdd symbol.6). Which of the following are binary operations? Addition Subtraction Multiplication All the above HintBinary arithmetic operations.7). A binary addition calculation is performed similar to ____ type of system? Base 10 decimal Base 2 Base 12 HintDecimal base representation.8). A binary addition is represented using ____ base value? 2 4 10 16 HintMinimum value.9). How many digits are used in a binary addition? 5 2 3 4 HintMinimum value.10). Logic 0 in binary operation represents ____ state of a digital circuit? ON OFF Toggle All the above HintAn open circuit that does not allow current to flow.11). Logic 1 in binary operation represents ____ state of a digital circuit? ON OFF Toggle All the above HintA short circuit that allows current to flow.12). In binary addition, what is the output of 0+0? 0 1 X All the above HintLogic low.13). In binary addition, what is the output of 0+1? 0 1 X All the above HintLogic high.14). In binary addition, what is the output of 1+0? 0 1 X All the above HintLogic high.15). In binary addition, what is the output of 1+1? 0 1 X All the above HintLogic low.16). In how many steps binary addition is performed? 2 3 4 5 HintEven number of steps.17). Which of the following is the first step of binary addition of 101 + 101? Select 1’s and add one’s Carry the 1’s obtained in previous step Add carry to the next step and obtain result Add all the terms together and represent the value HintSelection of mint terms.18). Which of the following is the second step of binary addition of 101 + 101? Select 1’s and add one’s Carry the 1’s obtained in previous step Add carry to the next step and obtain result Add all the terms together and represent the value HintPerform carry operation.19). Which of the following is the third step of binary addition of 101 + 101? Select 1’s and add one’s Carry the 1’s obtained in previous step Add carry to the next step and obtain result Add all the terms together and represent the value HintPerform addition.20). Which of the following is the fourth step of binary addition of 101 + 101? Select 1’s and add one’s Carry the 1’s obtained in previous step Add carry to the next step and obtain result Add all the terms together and represent the value HintPerform addition of all terms.21). How many optional steps are performed in binary addition? 1 2 3 4 HintUni step.22). Identify the binary addition output of 10001 + 11101=_______? 101110 110011 101010 HintThe binary addition output of 10001 + 11101=101110.23). Identify the binary addition output of 10111 + 110001=_______? 1011100 1100110 1001000 1100111 HintThe binary addition output of 10111 + 110001=1001000.24). Which of the following binary digit represents positive value? 0 1 X All the above HintLogic low.25). Which of the following binary digit represents negative value? 0 1 X All the above HintLogic high.Binary Addition Interview Questions and Answers26). Identify the 1’s complement of 1111 & -1101? +0010 -0010 -0001 +0001 Hint+1111 = 01111; -1101 = 10010 therefore (00001 +1 =?)27). Identify the 1’s complement of -1010 & -0011? +0010 -1101 -0001 +0001 Hint1010 = 10101(1’s complement); 0011 = 11100 (1’s complement); 1001+1 =10010=?28). How many digits are used in decimal number system compared to binary system? 4 6 8 10 HintEven number.29). Which of the following is the base value of decimal number system? 2 4 8 10 HintDecimal in number form is represented as?30). A binary number -1101 is represented in _____ binary form? 11101 01101 X1101 001101 HintThe binary number -1101 is represented as 1101 in binary form where the “–“ is represented as 1.31). A binary number 1101 is represented in _____ binary form? 01101 01101 X1101 001101 HintA binary number 1101 is represented as 01101 in binary form.32). Which of the following is the correct representation of binary number 01110? +01110 -01110 +101110 -101110 Hint+01110 is the correct representation of binary number 01110.33). Which of the following term represents the negative value of a binary number -1010? Vector Direction Magnitude All the above HintA quantity which has limit.34). Which of the following is the MSB bit of 10100 binary number? 1 0 10 00 HintLogic high.35). Which of the following is the LSB bit of 10100 binary number? 1 0 10 00 HintLogic low.36). MSB bit in binary number is abbreviated as ________? Most significant bit Must significant bit Merge significant bit More significant bit HintMSB bit in binary number is abbreviated as Most significant bit.37). LSB bit in binary number is abbreviated as ________? Least significant bit Large significant bit Low significant bit Last significant bit HintLSB bit in binary number is abbreviated as least significant bit.38). Which of the following is the carry bit obtained from “00” binary addition? 0 1 X All the above HintLogic low.39). Which of the following is the carry bit obtained from “01” binary addition? 0 1 X All the above HintLogic low.40). Which of the following is the carry bit obtained from “10” binary addition? 0 1 X All the above HintLogic low.41). Which of the following is the carry bit obtained from “11” binary addition? 0 1 X All the above HintLogic high.42). A binary addition can be digital represented using ___ components? Adders Logic gates Resistors Both a and b HintElectronic devices.43). Which of the following are the logic gates used in binary half adders? AND NOT XOR All the above HintBasic and universal gates. Read more about Half Adder.44). Which of the following is the 4bit binary representation of number “1”? 0001 0010 0100 0110 HintWrite 1 under 1 of (8,4,2,1) for representing number “1”.45). Which of the following is the 4bit binary representation of number “2”? 0001 0010 0100 0110 HintWrite 1 under 2 of (8,4,2,1) for representing number “2”.46). Which of the following is the 4bit binary representation of number “3”? 0001 0010 0011 0110 HintWrite 1 under 2,3 of (8,4,2,1) for representing number “3”.47). Which of the following is the 4bit binary representation of number “4”? 0001 0010 0011 0010 HintWrite 1 under 4 of (8,4,2,1) for representing number “4”.48). Which of the following is the 4bit binary representation of number “5”? 0001 0101 0011 0010 HintWrite 1 under 4,1 of (8,4,2,1) for representing number “5”.49). Which of the following is the 4bit binary representation of number “6”? 0001 0110 0011 0010 HintWrite 1 under 4,2 of (8,4,2,1) for representing number “6”.50). Which of the following is the 4bit binary representation of number “7”? 0001 0110 0011 0111 HintWrite 1 under 4,2,1 of (8,4,2,1) for representing number “7”.Binary Addition Important Questions for Interviews51). Which of the following is the 4bit binary representation of number “8”? 1000 0110 0011 0111 HintWrite 1 under 8 of (8,4,2,1) for representing number “8”.52). Which of the following is the 4bit binary representation of number “9”? 1001 0110 0011 0111 HintWrite 1 under 8,1 of (8,4,2,1) for representing number “9”.53). Which of the following is the 4bit binary representation of number “10”? 1010 0110 0011 0111 HintWrite 1 under 8,2 of (8,4,2,1) for representing number “10”.54). Which of the following is the 4bit binary representation of number “11”? 1011 0110 0111 HintWrite 1 under 8,2,1 of (8,4,2,1) for representing number “11”.55). Which of the following is the 4bit binary representation of number “12”? 1011 0110 1100 0111 HintWrite 1 under 8,4 of (8,4,2,1) for representing number “12”.56). Which of the following is the 4bit binary representation of number “13”? 1011 0110 1101 0111 HintWrite 1 under 8,4,1 of (8,4,2,1) for representing number “13”.57). Which of the following is the 4bit binary representation of number “14”? 1011 0110 1110 0111 HintWrite 1 under 8,4,2 of (8,4,2,1) for representing number “14”.58). Which of the following is the 4bit binary representation of number “15”? 1011 0110 1110 1111 HintWrite 1 under 8,4,2,1 of (8,4,2,1) for representing number “15”.59). The binary value representation of 15 is “1111” this value is represented by assigning ___? Weights Values Powers Binary digits HintThe binary value representation of 15 is “1111” this value is represented by assigning weights (example: 8,4,2,1 = 4 bit representation).60). Which of the following among weight (8,4,2,1 = 4 bit representation) is LSB bit? 8 4 2 1 HintUni bit.61). Which of the following among weight (8,4,2,1 = 4 bit representation) is MSB bit? 8 2 1 4 HintLeft most bit.62). Which of the following is the value of 1’s complement of binary value 0001? 0011 1110 1100 1010 HintInverse of 0001.63). Which of the following is the value of 1’s complement of binary value 0011? 0011 1110 1100 1010 HintToggle of 001164). Which of the following is the value of 1’s complement of binary value 1111? 0000 1110 1100 1010 HintToggle of 1111.65). Which of the following is the value of 1’s complement of binary value 0000? 0000 1111 1100 1010 HintInverse of 1111.66). Which of the following is the value of 1’s complement of binary value 0010? 0000 1111 1101 1010 HintInverse of 1101.67). Which of the following is the value of 1’s complement of binary value 0100? 0000 1111 1011 1010 HintInverse of 0100.68). Which of the following is the value of 1’s complement of binary value 0101? 0000 1111 1011 1010 HintInverse of 0101.69). Which of the following is the value of 1’s complement of binary value 0110? 0000 1001 1011 1010 HintInverse of 0110.70). Which of the following is the value of 1’s complement of binary value 0111? 0000 1000 1011 1010 HintInverse of 1000.71). Which of the following is the value of 1’s complement of binary value 1001? 0000 0110 1011 1010 HintInverse of 1001.72). Which of the following is the value of 1’s complement of binary value 1010? 0000 0110 1011 0101 HintInverse 1010.73). Which of the following is the value of 1’s complement of binary value 1011? 0000 0100 1011 0101 HintInverse of 1011.74). Which of the following is the value of 1’s complement of binary value 1100? 0011 0100 1011 0101 HintInverse of 1100.75). Which of the following is the value of 1’s complement of binary value 1101? 0010 0100 1011 0101 HintInverse of 1101.Binary Addition Quiz Questions and Answers.76). Which of the following is the value of 1’s complement of binary value 1110? 0001 0100 1011 0101 HintInverse of 1110.77). Which of the following is the 2’s complement of -7? 0111 1000 1001 0001 HintComplement of 1000.78). Which of the following is the 2’s complement of -7+6=? 01101 10010 00110 00111 Hint00111+00110=?79). In binary 2 bit adder, which of the following is the output of AND gate with input 0,0? 0 1 X All the above HintLogic low.80). In binary 2 bit adder, which of the following is the output of AND gate with input 0,1? 0 1 X All the above HintLogic low.81). In binary 2 bit adder, which of the following is the output of AND gate with input 1,0? 0 1 X All the above HintLogic low.82). In binary 2 bit adder, which of the following is the output of AND gate with input 1,1? 0 1 X All the above HintLogic high.83). In binary 2 bit adder, which of the following is the output of XOR gate with input 1,1? 0 1 X All the above HintLogic low.84). In binary 2 bit adder, which of the following is the output of XOR gate with input 1,0? 0 1 X All the above HintLogic high.85). In binary 2 bit adder, which of the following is the output of XOR gate with input 0,0? 0 1 X All the above HintLogic low.86). Identify the logic gate displayed below used in 2 bit adder?Logic Gate AND OR XOR NOR HintGate that performs product of terms.87). Identify the logic gate displayed below used in 2 bit adder?Logic Gate AND OR XOR NOR HintLogic gate designed with combination of AND and OR gate.88). Identify the logic circuit displayed below?Logic Circuit 2 bit binary adder 4 bit binary adder 2 bit multiplexer All the above Hint2 inputs are provided to logic gates.89). Identify the logic circuit displayed below?Logic Circuit 2 bit binary adder 3 bit binary adder 4 bit binary adder All the above HintOdd number of inputs.90). An XOR logic gate is a combination of ____ logic gates? AND OR NOT Both a and b HintBasic gates.91). Which of the following is the output of OR gate with input 00? 0 1 X All the above HintLogic low.92). Which of the following is the output of OR gate with input 01? 0 1 X All the above HintLogic high.93). Which of the following is the output of OR gate with input 10? 0 1 X All the above HintLogic high.94). Which of the following is the output of OR gate with input 11? 0 1 X Both a and b HintLogic low and high.95). How many types of binary adders exist? 1 2 3 4 HintDual. Read more about Full Adder.96). Which of the equation of SUM in a 2bit adder with inputs A,B? A XOR B A OR B A AND B A NOT B HintUses universal gate to obtain SUM equation.97). Which of the equation of CARRY in a 2bit adder with inputs A,B? A XOR B A OR B A AND B A NOT B HintBasic gate is used to obtain CARRY equation.98). Which of the equation of SUM in a 3bit adder with inputs A,B,Cin? [A XOR B] XOR Cin [A OR B] XOR Cin [A AND B] XOR Cin [A NOT B] XOR Cin HintUniversal logic gates are used to obtain SUM equation.99). Which of the equation of CARRY in a 3bit adder with inputs A,B,Cin? [A XOR B] XOR Cin [A OR B] XOR Cin A AND B OR Cin [A XOR B] [A NOT B] XOR Cin HintBoth basic and universal logic gates are used for obtaining CARRY equation.100). Which of the following method is used for representing the 2bit binary adder? Boolean equations K-Map Logic gates All the above HintBinary values representation methods. Read more about K-Map. Time is Up! Time's up
