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When we use auto increment or auto decrements, which of the following is/are true?
1) In both, the address is used to retrieve the operand and then the address gets altered
2) In auto increment the operand is retrieved first and then the address altered
3) Both of them can be used on general purpose registers as well as memory locations
1) In both, the address is used to retrieve the operand and then the address gets altered
2) In auto increment the operand is retrieved first and then the address altered
3) Both of them can be used on general purpose registers as well as memory locations
- a)1, 2, 3
- b)2
- c)1, 3
- d)2, 3
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
When we use auto increment or auto decrements, which of the following ...
In the case of, auto increment the increment is done afterward and in auto decrement the decrement is done first.
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When we use auto increment or auto decrements, which of the following ...
Auto Increment and Auto Decrement
Auto increment and auto decrement are two operations used in computer programming to manipulate the value of an operand in a register or memory location. These operations are commonly used in loops and other repetitive tasks to simplify the code and reduce the chance of errors.
Auto Increment
Auto increment is an operation that adds 1 to the value of an operand and then stores the result in the same location. This operation is represented by the ++ operator in many programming languages.
In auto increment, the operand is retrieved first and then the address is altered to store the result. This means that the original value of the operand is used in the calculation, and the updated value is stored in the same location.
Auto Decrement
Auto decrement is an operation that subtracts 1 from the value of an operand and then stores the result in the same location. This operation is represented by the -- operator in many programming languages.
In auto decrement, the operand is retrieved first and then the address is altered to store the result. This means that the original value of the operand is used in the calculation, and the updated value is stored in the same location.
Using Auto Increment and Auto Decrement
Both auto increment and auto decrement can be used on general purpose registers as well as memory locations. These operations are commonly used in loops and other repetitive tasks to simplify the code and reduce the chance of errors.
Some common use cases for auto increment and auto decrement include:
- Loop counters: In a loop, a counter variable is often used to keep track of the number of iterations. Auto increment and auto decrement can be used to update the counter variable at the end of each iteration.
- Array indexing: When working with arrays, auto increment and auto decrement can be used to move through the array one element at a time.
- Pointers: In some programming languages, pointers are used to store memory addresses. Auto increment and auto decrement can be used to move the pointer to the next or previous location in memory.
Conclusion
In conclusion, both auto increment and auto decrement can be used to manipulate the value of an operand in a register or memory location. In both cases, the address is altered to store the result of the operation. However, in auto increment the operand is retrieved first and then the address is altered, while in auto decrement the operand is retrieved first and then the address is altered. Both operations can be used on general purpose registers as well as memory locations.
Auto increment and auto decrement are two operations used in computer programming to manipulate the value of an operand in a register or memory location. These operations are commonly used in loops and other repetitive tasks to simplify the code and reduce the chance of errors.
Auto Increment
Auto increment is an operation that adds 1 to the value of an operand and then stores the result in the same location. This operation is represented by the ++ operator in many programming languages.
In auto increment, the operand is retrieved first and then the address is altered to store the result. This means that the original value of the operand is used in the calculation, and the updated value is stored in the same location.
Auto Decrement
Auto decrement is an operation that subtracts 1 from the value of an operand and then stores the result in the same location. This operation is represented by the -- operator in many programming languages.
In auto decrement, the operand is retrieved first and then the address is altered to store the result. This means that the original value of the operand is used in the calculation, and the updated value is stored in the same location.
Using Auto Increment and Auto Decrement
Both auto increment and auto decrement can be used on general purpose registers as well as memory locations. These operations are commonly used in loops and other repetitive tasks to simplify the code and reduce the chance of errors.
Some common use cases for auto increment and auto decrement include:
- Loop counters: In a loop, a counter variable is often used to keep track of the number of iterations. Auto increment and auto decrement can be used to update the counter variable at the end of each iteration.
- Array indexing: When working with arrays, auto increment and auto decrement can be used to move through the array one element at a time.
- Pointers: In some programming languages, pointers are used to store memory addresses. Auto increment and auto decrement can be used to move the pointer to the next or previous location in memory.
Conclusion
In conclusion, both auto increment and auto decrement can be used to manipulate the value of an operand in a register or memory location. In both cases, the address is altered to store the result of the operation. However, in auto increment the operand is retrieved first and then the address is altered, while in auto decrement the operand is retrieved first and then the address is altered. Both operations can be used on general purpose registers as well as memory locations.
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When we use auto increment or auto decrements, which of the following is/are true?1) In both, the address is used to retrieve the operand and then the address gets altered2) In auto increment the operand is retrieved first and then the address altered3) Both of them can be used on general purpose registers as well as memory locationsa)1, 2, 3b)2c)1, 3d)2, 3Correct answer is option 'D'. Can you explain this answer?
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