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What is MSB first and LSB first?
LSB means the rightmost (least-significant) bit is the first bit. MSB means the leftmost (most-significant) is the first bit.
Which one is used for magnitude comparator?
A digital comparator or magnitude comparator is a hardware electronic device that takes two numbers as input in binary form and determines whether one number is greater than, less than or equal to the other number. Comparators are used in central processing units (CPUs) and microcontrollers (MCUs).
Which one is a basic comparator 1 point A XOR B XNOR C and D NAND?
Which one is a basic comparator? Explanation: Generally, an XNOR outputs high for even number of 1s or all 0s and outputs low for otherwise. Thus, an XNOR gate is a basic comparator, because its output is “1” only if its two input bits are equal. Explanation: Comparators are used in the central processing unit (CPUs).
What is the output of identity comparator?
Identity Comparator is a digital comparator that has only one output. It goes high when A = B, either both 1s (High) or both 0s (Low). This comparator can be implemented by a combination of logic gates (XNOR and AND gates) as shown in Figure 1.
What is the difference between identity and magnitude comparator?
Comparators that have only one output terminal and produces the output either low or high are identity comparators. Comparators with three output terminals and checks for three conditions i.e greater than or less than or equal to is magnitude comparator.
What are the least significant bits?
In computing, the least significant bit (LSB) is the bit position in a binary integer giving the units value, that is, determining whether the number is even or odd.
What is the significance of a magnitude comparator?
A magnitude digital comparator is a combinational circuit that compares two digital or binary numbers (consider A and B) and determines their relative magnitudes in order to find out whether one number is equal, less than or greater than the other digital number.
Which is a 4 bit magnitude comparator in logic?
By using these Boolean expressions, we can implement a logic circuit for this comparator as given below: A comparator used to compare two binary numbers each of four bits is called a 4-bit magnitude comparator.
When to use a digital comparator in combinational system?
A digital comparator is widely used in combinational system and is specially designed to compare the relative magnitudes of binary numbers. These are also available in IC form with different bit comparing configurations such as 4-bit, 8-bit, etc.
What kind of comparator is used to compare two bits?
A comparator used to compare two bits is called a single bit comparator. It consists of two inputs each for two single bit numbers and three outputs to generate less than, equal to and greater than between two binary numbers. The truth table for a 1-bit comparator is given below: