Data Flow & SDT Quiz

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Data flow concepts and SDT syntax basics.

Créé par

VARSHA SRI PALAKURTHI

India

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Data Flow & SDT Quiz


Data Flow & SDT QuizVersion en ligne Data flow concepts and SDT syntax basics. par VARSHA SRI PALAKURTHI 1 What is the primary goal of data flow analysis? a Determine information about data values at program points. b To optimize memory usage c To reproduce program behavior d To verify syntax 2 In reaching definitions, what does a 'definition' refer to? a A point where a variable is assigned a value that may reach later points. b A function call c A memory location d A runtime type of variable 3 What does liveness analysis tell us? a Assembly code generation b Only compiler errors c Value of variables at entry only d Which variables are live at a program point. 4 In SDT, what is a synthesized attribute? a An attribute stored in the symbol table b An attribute computed from child nodes. c An attribute computed from the parent only d An attribute that represents memory location 5 What is an inherited attribute in SDT? a An attribute passed from parent or other nodes to a child. b An attribute produced by code generation c An attribute not related to SDT d An attribute computed from children 6 What is the role of a syntax-directed translation rule? a Compute attribute values for parse tree nodes. b Stores tokens c Computes only types d Executes code 7 What is the main difference between SDT's synthesized and inherited attributes? a Both are stored in the symbol table b Synthesized from parent only c Inherited from children d Synthesized from children; inherited from parent/ siblings. 8 What is available expressions analysis? a Dead code mapping b Constant folding c Determines if an expression's value is available without recomputation. d Live variable analysis 9 In data flow equations, what is a fixed point? a A data flow solution where further iterations yield no changes. b A syntax error c Only after optimization d A random value 10 What is dead code elimination? a Removing code whose results are never used. b Eliminating global variables c Register allocation d Constant folding only

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Data Flow & SDT Quiz

Test

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Data Flow & SDT QuizVersion en ligne

par VARSHA SRI PALAKURTHI

What is the primary goal of data flow analysis?

In reaching definitions, what does a 'definition' refer to?

What does liveness analysis tell us?

In SDT, what is a synthesized attribute?

What is an inherited attribute in SDT?

What is the role of a syntax-directed translation rule?

What is the main difference between SDT's synthesized and inherited attributes?

What is available expressions analysis?

In data flow equations, what is a fixed point?

What is dead code elimination?