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Compiler Designknowledge~10 mins

Activation records and call stack in Compiler Design - Interactive Code Practice

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Practice - 5 Tasks
Answer the questions below
1fill in blank
easy

Complete the code to identify the part of the call stack that stores information about a single function call.

Compiler Design
An activation record is also known as a [1].
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Aregister
Bheap block
Cstack frame
Dinstruction pointer
Attempts:
3 left
💡 Hint
Common Mistakes
Confusing activation record with heap memory.
Thinking it is a CPU register.
2fill in blank
medium

Complete the code to describe what the call stack keeps track of during program execution.

Compiler Design
The call stack keeps track of [1] during program execution.
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Afunction calls and their activation records
Bhardware interrupts
Conly the main function
Dall global variables
Attempts:
3 left
💡 Hint
Common Mistakes
Assuming it tracks global variables.
Confusing it with interrupt handling.
3fill in blank
hard

Fix the error in the statement about the call stack's behavior.

Compiler Design
When a function finishes, its activation record is [1] from the call stack.
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Apushed
Bcopied
Cignored
Dpopped
Attempts:
3 left
💡 Hint
Common Mistakes
Saying the record is pushed instead of popped.
Thinking the record is copied or ignored.
4fill in blank
hard

Fill both blanks to complete the description of what an activation record contains.

Compiler Design
An activation record contains [1] and [2] needed for function execution.
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Alocal variables
Breturn address
Cglobal constants
DCPU registers
Attempts:
3 left
💡 Hint
Common Mistakes
Including global constants which are not stored here.
Confusing CPU registers with activation record contents.
5fill in blank
hard

Fill all three blanks to complete the explanation of the call stack's role in recursion.

Compiler Design
In recursion, each call creates a [1] on the call stack, storing [2] and [3].
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Astack frame
Bparameters
Creturn address
Dglobal variable
Attempts:
3 left
💡 Hint
Common Mistakes
Including global variables which are not stored per call.
Confusing parameters with global data.