Question: In modular arithmetic, which of the following is a valid operation?
Options:
Adding two numbers and taking mod
Subtracting two numbers and taking mod
Multiplying two numbers and taking mod
All of the above
Correct Answer: All of the above
Solution:
All operations (addition, subtraction, multiplication) are valid in modular arithmetic.
In modular arithmetic, which of the following is a valid operation?
Practice Questions
Q1
In modular arithmetic, which of the following is a valid operation?
Adding two numbers and taking mod
Subtracting two numbers and taking mod
Multiplying two numbers and taking mod
All of the above
Questions & Step-by-Step Solutions
In modular arithmetic, which of the following is a valid operation?
Step 1: Understand what modular arithmetic is. It involves numbers wrapping around after reaching a certain value called the modulus.
Step 2: Identify the basic operations in arithmetic: addition, subtraction, and multiplication.
Step 3: Realize that in modular arithmetic, you can perform addition, subtraction, and multiplication just like regular arithmetic.
Step 4: Remember that after performing any of these operations, you take the result and find the remainder when divided by the modulus.
Step 5: Conclude that all operations (addition, subtraction, multiplication) are valid in modular arithmetic.
Modular Arithmetic – A system of arithmetic for integers, where numbers wrap around after reaching a certain value (the modulus).
Operations in Modular Arithmetic – Addition, subtraction, and multiplication can all be performed in modular arithmetic, but division is not always valid.
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