x 1 def /y {x} def /x 3 def /z {/y x 1 add} def y OPTIONS: 2 4

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Suppose that Postscript is statically scoped. What value is left on the stack after the following Postscript program executes?

/x 1 def
/y {x} def
/x 3 def
/z {/y x 1 add} def
y

OPTIONS:

2

4

3

1

5

=========================================================

Suppose that Postscript is dynamically scoped. What value is left on the stack after the following Postscript program executes?

/x 1 def
/y {x} def
/x 3 def
/z {/y x 1 add} def
y

OPTIONS:

1

4

2

3

5

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