Digital Arithmetic Operations and Circuits Questions

• What are constants in VHDL code?
• What distinguishes the look-ahead-carry adder?
• Which of the statements below best describes the given figure?
• How many BCD adders would be required to add the numbers 97310 + 3910?
• An input to the mode pin of an arithmetic/logic unit (ALU) determines if the function will be:
• The binary adder circuit is designed to add ________ binary numbers at the same time.
• What is wrong, if anything, with the circuit in the given figure based on the logic analyzer display accompanying the circuit?
• Half-adders can be combined to form a full-adder with no additional gates.
• The decimal value for E16 is:
• Convert each of the decimal numbers to two's-complement form and perform the addition in binary. +13 –10 add –7 add +15
• How many inputs must a full-adder have?
• What is the major difference between half-adders and full-adders?
• The most commonly used system for representing signed binary numbers is the:
• When performing subtraction by addition in the 2's-complement system:
• A full-adder adds ________.
• Add the following hexadecimal numbers. 3C 14 3B +25 +28 +DC
• Multiply the following binary numbers. 1010 1011 1001 ×0011 ×0111 ×1010
• Convert the decimal numbers 275 and 965 to binary-coded decimal (BCD) and add. Select the BCD code groups that reflect the final answer.
• Solve this binary problem:
• What are the two types of basic adder circuits?