Please help me with answering the question 10.18Draw the stack of activation records for the following Ada program (a) after the first call toprocedure b; (b) after the second call to procedure b. Show the control links and the access linksfor each activation record. (c) Indicate how b is found in procedure c.procedure env isprocedure a isprocedure b isprocedure cisbeginb;end c;beginc;end b;beginb;end a;begina;end env;

To draw the stack of activation records for the given Ada program, we'll represent each activation…

Answered: 10.18 Draw the stack of activation…

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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Topic: Concepts of programming Language Kindly provide a bit detailed answer 4. a) Consider the following program, written in JavaScript-like syntax:// main programvar x, y, z;function sub1() {var a, x, z;. . . }function sub2() {var a, b, y;. . .}function sub3() {var a, y, w;. . .}Given the following calling sequences and assuming that dynamic scoping isused, what variables are visible during execution of the last subprogramactivated? Include with each visible variable the name of the unit where it isdeclared.“main calls sub1; sub1 calls sub3; sub3 calls sub2.”
Why must the symbol or name in the C++ inclusion guard on a library interface file be unique? In this case, proof by contradiction may be used to postulate that the symbol does not need to be unique and show what occurs when two libraries to be #included in the same application share the same symbol. Example: the programme.
Show the stack with all activation record instances, including static and dynamic chains, when execution reaches position 1 in the following skeletal program. Assume bigsub is at level 1. function bigsub() { function a(flag){ function b(){ … a(false); … } // end of b if (flag) b(); else c(); ….. } // end of a function c( ) { function d() { … < -------------------------------- 1 } // end of d … d( );
Why is it imperative that the symbol or name used in the C++ inclusion guard on a library interface file be distinct from every other instance of that symbol or name? In this situation, proof by contradiction is a reasonable approach to adopt; presuppose that the symbol does not need to be unique and show what happens when two libraries that are to be #included in the same application share the same symbol.
Do execution paths 3 and 4 encompass the first three conditions for a deadlock to occur?
1. What is included in an activation record assuming STATIC bindings? •2. what is included in an activation record assuming DYNAMIC bindings? 3. Explain the role of the program counter & environment pointer 4. Explain the role of the return address & dynamic link
illustrate how a link list looks like at the end of each instruction when the following instructions are executed sequentially. show the head and tail pointers in each case. Question 1 slst = new(singly linked list) addToHead(slst, 11) addToHead(slst, 22) addToTail(slst, 33) addToTail(slst, 44) addToHead(slst, 55) deleteFromTail(slst) deleteFromHead(slst) delete(slst, 11) Link List_Example output
A considerable deal of attention is paid to the dissection of the Access Control list's constituent parts.
Why is it essential that the symbol or name used in the C++ inclusion guard on a library interface file be distinct from all other instances of that symbol or name? Proof by contradiction is a useful strategy to employ in this situation because it allows one to presuppose that the symbol does not need to be unique and then demonstrate what happens when two libraries that are to be #included in the same application share the same symbol. In this case, the application.
Why must the symbol/name used in C++'s inclusion guard on a library interface file be unique? (Hint: A good technique to use here is proof by contradiction -- assume that the symbol needn't be unique and show what happens when two libraries to be #include'd in the same program share the same symbol.)
In C Every budding computer scientist must grapple with certain classic problems, and the Towers of Hanoi (see Figure below) is one of the most famous of these. Legend has it that in a temple in the Far East, priests are attempting to move a stack of disks fromone peg to another. The initial stack had 64 disks threaded onto one peg and arranged from bottom to top by decreasing size. The priests are attempting to move the stack from this peg to a second peg under the constraints that exactly one disk is moved ata time, and at no time may a larger disk be placed above a smaller disk. A third peg is available for temporarily holding the disks. Supposedly the world will end when the priests complete their task, so there is little incentive for us to facilitate their efforts.Let’sassume that the priests are attempting to move the disks from peg 1 to peg 3. We wish to develop an algorithm that will print the precise sequence of disk-to-disk peg transfers. If we were to approach this…
Considering the c++ program below, and [4, 5, 8, 3] as user inputs, answer the following questions:1. Identify what is stored in the text segment when the process is admitted by the OS and is in the readystate.2. Identify what variables will be stored in the data segment.3. Identify what is stored in heap and stack segments when line 12 is being executed for the third time.4. Identify what is stored in heap and stack segments when line 33 is being executed.

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