Recent questions tagged programming

15 votes

2 answers

901

GATE CSE 2006 | Question: 56, ISRO2009-58
Consider the following code written in a pass-by-reference language like FORTRAN and these statements about the code. subroutine swap(ix,iy) it = ix L1 : ix = iy L2 : iy = it end ia = 3 ib = 8 call swap (ia, ib+5) print *, ia, ib end ... : The program will print 13 and -2 Exactly the following set of statement(s) is correct: S1 and S2 S1 and S4 S3 S1 and S5

Consider the following code written in a pass-by-reference language like FORTRAN and these statements about the code. subroutine swap(ix,iy) it = ix L1 : ix = iy L2 : iy ...

6.8k views

Rucha Shelke asked Sep 26, 2014

62 votes

5 answers

902

GATE CSE 2014 Set 1 | Question: 10
Consider the following program in C language: #include <stdio.h> main() { int i; int*pi = &i; scanf("%d",pi); printf("%d\n", i+5); } Which one of the following statements is TRUE? Compilation fails. Execution ... $5$ more than the address of variable $i$. On execution, the value printed is $5$ more than the integer value entered.

Consider the following program in C language:#include <stdio.h main() { int i; int*pi = &i; scanf("%d",pi); printf("%d\n", i+5); }Which one of the following statements is...

17.6k views

go_editor asked Sep 26, 2014

28 votes

1 answer

903

GATE CSE 1998 | Question: 2.15
Faster access to non-local variables is achieved using an array of pointers to activation records called a stack heap display activation tree

Faster access to non-local variables is achieved using an array of pointers to activation records called a stackheapdisplayactivation tree

8.9k views

Kathleen asked Sep 25, 2014

25 votes

3 answers

904

GATE CSE 1998 | Question: 2.13
What is the result of the following program? program side-effect (input, output); var x, result: integer; function f (var x:integer):integer; begin x:x+1;f:=x; end begin x:=5; result:=f(x)*f(x); writeln(result); end $5$ $25$ $36$ $42$

What is the result of the following program?program side-effect (input, output); var x, result: integer; function f (var x:integer):integer; begin x:x+1;f:=x; end begin x...

7.2k views

Kathleen asked Sep 25, 2014

6 votes

2 answers

905

GATE CSE 1999 | Question: 2.13
Consider the following program in a language that has dynamic scooping: var x: real; procedure show: begin print(x);end; procedure small; var x: real; begin x: = 0.125; show; end; begin x:=0.25 show; small end. Then the output of the program is: 0.125 0.125 0.25 0.25 0.25 0.125 0.125 0.25

Consider the following program in a language that has dynamic scooping:var x: real; procedure show: begin print(x);end; procedure small; var x: real; begin x: = 0.125; sh...

5.8k views

Kathleen asked Sep 23, 2014

31 votes

5 answers

906

GATE CSE 1999 | Question: 2.5
Given the programming constructs assignment for loops where the loop parameter cannot be changed within the loop if-then-else forward go to arbitrary go to non-recursive procedure call recursive procedure/function call repeat loop, which constructs will you not include in a programming language ... $\text{(vi), (vii), (viii)}$ $\text{(iii), (vii), (viii)}$

Given the programming constructsassignmentfor loops where the loop parameter cannot be changed within the loopif-then-elseforward go toarbitrary go tonon-recursive proced...

12.7k views

Kathleen asked Sep 23, 2014

51 votes

8 answers

907

GATE CSE 2005 | Question: 32
Consider the following C program: double foo (double); /* Line 1 */ int main() { double da, db; //input da db = foo(da); } double foo (double a) { return a; } The above code compiled without any error ... or error some compiler-warnings not leading to unintended results some compiler-warnings due to type-mismatch eventually leading to unintended results compiler errors

Consider the following C program:double foo (double); /* Line 1 */ int main() { double da, db; //input da db = foo(da); } double foo (double a) { return a; }The above cod...

16.5k views

Kathleen asked Sep 22, 2014

11 votes

4 answers

908

GATE CSE 2005 | Question: 4
Which one of the following are essential features of an object-oriented programming language? Abstraction and encapsulation Strictly-typedness Type-safe property coupled with sub-type rule Polymorphism in the presence of inheritance I and II only I and IV only I, II and IV only I, III and IV only

Which one of the following are essential features of an object-oriented programming language?Abstraction and encapsulationStrictly-typednessType-safe property coupled wit...

6.0k views

Kathleen asked Sep 22, 2014

13 votes

3 answers

909

GATE CSE 2005 | Question: 3, UGCNET-June2012-III: 15
A common property of logic programming languages and functional languages is: both are procedural languages both are based on $\lambda$-calculus both are declarative both use Horn-clauses

A common property of logic programming languages and functional languages is:both are procedural languages both are based on $\lambda$-calculusboth are declarativeboth us...

12.5k views

Kathleen asked Sep 22, 2014

38 votes

5 answers

910

GATE CSE 2005 | Question: 1, ISRO2017-55
What does the following C-statement declare? int (*f) (int * ); A function that takes an integer pointer as argument and returns an integer A function that takes an integer as argument and returns an integer pointer A pointer ... pointer as argument and returns an integer A function that takes an integer pointer as argument and returns a function pointer

What does the following C-statement declare?int (*f) (int * );A function that takes an integer pointer as argument and returns an integerA function that takes an integer ...

20.9k views

Kathleen asked Sep 22, 2014

26 votes

1 answer

911

GATE CSE 2007 | Question: 42
Consider the following C function: int f(int n) { static int r = 0; if (n <= 0) return 1; if (n > 3) { r = n; return f(n-2) + 2; } return f(n-1) + r; } What is the value of $f(5)$? $5$ $7$ $9$ $18$

Consider the following C function:int f(int n) { static int r = 0; if (n <= 0) return 1; if (n 3) { r = n; return f(n-2) + 2; } return f(n-1) + r; }What is the value of ...

10.5k views

Kathleen asked Sep 21, 2014

26 votes

5 answers

912

GATE CSE 2004 | Question: 90
Choose the best matching between the programming styles in Group 1 and their characteristics in Group 2. ... $P-3\quad Q-4 \quad R-1\quad S-2$ $P-3\quad Q-4\quad R-2\quad S-1$

Choose the best matching between the programming styles in Group 1 and their characteristics in Group 2.$$\begin{array}{|ll|ll|}\hline \rlap{\textbf{Group 1}} & & \rlap{...

7.1k views

Kathleen asked Sep 18, 2014

34 votes

2 answers

913

GATE CSE 2004 | Question: 33
Consider the following C program segment: char p[20]; int i; char* s = "string"; int length = strlen(s); for(i = 0; i < length; i++) p[i] = s[length-i]; printf("%s", p); The output of the program is: gnirts string gnirt no output is printed

Consider the following C program segment:char p[20]; int i; char* s = "string"; int length = strlen(s); for(i = 0; i < length; i++) p[i] = s[length-i]; printf("%s", p);Th...

13.2k views

Kathleen asked Sep 18, 2014

32 votes

5 answers

914

GATE CSE 2004 | Question: 32
Consider the following program fragment for reversing the digits in a given integer to obtain a new integer. Let $n = d_1\, d_2\, \ldots\, d_m$. int n, rev; rev = 0; while(n > 0) { rev = rev * 10 + n%10; n = n/10; } The loop invariant condition at the end ... $n=d_1\, d_2 \,\ldots\, d_m \qquad \mathbf{or} \qquad \text{rev} =d_m \,\ldots\, d_2\, d_1$

Consider the following program fragment for reversing the digits in a given integer to obtain a new integer.Let $n = d_1\, d_2\, \ldots\, d_m$.int n, rev; rev = 0; while(...

12.3k views

Kathleen asked Sep 18, 2014

28 votes

3 answers

915

GATE CSE 2004 | Question: 31, ISRO2008-40
Consider the following C function: int f(int n) { static int i = 1; if(n >= 5) return n; n = n+i; i++; return f(n); } The value returned by $f(1)$ is: $5$ $6$ $7$ $8$

Consider the following C function:int f(int n) { static int i = 1; if(n >= 5) return n; n = n+i; i++; return f(n); }The value returned by $f(1)$ is:$5$$6$$7$$8$

14.7k views

Kathleen asked Sep 18, 2014

24 votes

2 answers

916

GATE CSE 2004 | Question: 1
The goal of structured programming is to: have well indented programs be able to infer the flow of control from the compiled code be able to infer the flow of control from the program text avoid the use of GOTO statements

The goal of structured programming is to:have well indented programsbe able to infer the flow of control from the compiled codebe able to infer the flow of control from t...

9.1k views

Kathleen asked Sep 18, 2014

40 votes

5 answers

917

GATE CSE 2003 | Question: 89
Consider the C program shown below: #include<stdio.h> #define print(x) printf("%d", x) int x; void Q(int z) { z+=x; print(z); } void P(int *y) { int x = *y + 2; Q(x); *y = x - 1; print(x); } main(void) { x = 5; P(&x); print(x); } The output of this program is: $12 \ 7 \ 6$ $22 \ 12 \ 11$ $14 \ 6 \ 6$ $7 \ 6 \ 6$

Consider the C program shown below:#include<stdio.h #define print(x) printf("%d", x) int x; void Q(int z) { z+=x; print(z); } void P(int *y) { int x = *y + 2; Q(x); *y = ...

12.6k views

Kathleen asked Sep 17, 2014

2 votes

2 answers

918

GATE CSE 2003 | Question: 75
Consider the following class definitions in a hypothetical Object Oriented language that supports inheritance and uses dynamic binding. The language should not be assumed to be either Java or C++, though the syntax is similar. Class P { Class Q subclass of P { void f(int ... P. The output produced by executing the above program fragment will be 1 2 1 2 1 1 2 1 2 2 2 2

Consider the following class definitions in a hypothetical Object Oriented language that supports inheritance and uses dynamic binding. The language should not be assumed...

5.6k views

Kathleen asked Sep 17, 2014

5 votes

0 answers

919

GATE CSE 2003 | Question: 71
Consider the following logic program P $\begin{align*} A(x) &\gets B(x,y), C(y) \\ &\gets B(x,x) \end{align*}$ ... $(\forall x) [(\forall y) [B(x,y) \land C(y)] \Rightarrow A(x)] \land (\exists x)[B(x,x)]$

Consider the following logic program P$\begin{align*} A(x) &\gets B(x,y), C(y) \\ &\gets B(x,x) \end{align*}$Which of the following first order sentences is equivalent to...

3.9k views

Kathleen asked Sep 17, 2014

39 votes

4 answers

920

GATE CSE 2003 | Question: 24
Which of the following statements is FALSE? In statically typed languages, each variable in a program has a fixed type In un-typed languages, values do not have any types In dynamically typed languages, variables have no types In all statically typed languages, each variable in a program is associated with values of only a single type during the execution of the program

Which of the following statements is FALSE?In statically typed languages, each variable in a program has a fixed typeIn un-typed languages, values do not have any typesIn...

9.2k views

Kathleen asked Sep 16, 2014

72 votes

4 answers

921

GATE CSE 2003 | Question: 2
Assume the following C variable declaration: int *A[10], B[10][10]; Of the following expressions: $A[2]$ $A[2][3]$ $B[1]$ $B[2][3]$ which will not give compile-time errors if used as left hand sides of assignment statements in a C program? I, II, and IV only II, III, and IV only II and IV only IV only

Assume the following C variable declaration:int *A[10], B[10][10];Of the following expressions:$A $$A [3]$$B $$B [3]$which will not give compile-time errors if used as le...

30.3k views

Kathleen asked Sep 16, 2014

24 votes

2 answers

922

GATE CSE 2002 | Question: 11
The following recursive function in C is a solution to the Towers of Hanoi problem. void move(int n, char A, char B, char C) { if (......................) { move (.............................); printf("Move disk %d from pole %c to pole %c\n", n, A, C); move (.....................); } } Fill in the dotted parts of the solution.

The following recursive function in C is a solution to the Towers of Hanoi problem.void move(int n, char A, char B, char C) { if (......................) { move (...........

3.3k views

Kathleen asked Sep 15, 2014

35 votes

3 answers

923

GATE CSE 2002 | Question: 2.18
The C language is: A context free language A context sensitive language A regular language Parsable fully only by a Turing machine

The C language is:A context free languageA context sensitive languageA regular languageParsable fully only by a Turing machine

10.4k views

Kathleen asked Sep 15, 2014

39 votes

4 answers

924

GATE CSE 2002 | Question: 2.8
Consider the following declaration of a two-dimensional array in C: char $a[100][100]$; Assuming that the main memory is byte-addressable and that the array is stored starting from memory address $0$, the address of $a [40][50]$ is: $4040$ $4050$ $5040$ $5050$

Consider the following declaration of a two-dimensional array in C:char $a[100][100]$;Assuming that the main memory is byte-addressable and that the array is stored start...

28.2k views

Kathleen asked Sep 15, 2014

13 votes

2 answers

925

GATE CSE 2002 | Question: 1.18
The results returned by function under value-result and reference parameter passing conventions Do not differ Differ in the presence of loops Differ in all cases May differ in the presence of exception

The results returned by function under value-result and reference parameter passing conventionsDo not differDiffer in the presence of loopsDiffer in all casesMay differ i...

8.4k views

Kathleen asked Sep 15, 2014

40 votes

1 answer

926

GATE CSE 2002 | Question: 1.17
In the C language: At most one activation record exists between the current activation record and the activation record for the main The number of activation records between the current activation record and the activation records from the main ... record for the recursive function to be saved in a different stack before the recursive function can be called.

In the C language:At most one activation record exists between the current activation record and the activation record for the mainThe number of activation records betwee...

10.3k views

Kathleen asked Sep 15, 2014

31 votes

2 answers

927

GATE CSE 2001 | Question: 13
Consider the following C program: void abc(char*s) { if(s[0]=='\0')return; abc(s+1); abc(s+1); printf("%c",s[0]); } main() { abc("123"); } What will be the output of the program? If $abc(s)$ is called ... string $s$ of length $n$ characters (not counting the null ('\0') character), how many characters will be printed by $abc(s)$?

Consider the following C program:void abc(char*s) { if(s[0]=='\0')return; abc(s+1); abc(s+1); printf("%c",s[0]); } main() { abc("123"); }What will be the output of the pr...

11.2k views

Kathleen asked Sep 14, 2014

11 votes

2 answers

928

GATE CSE 2001 | Question: 2.19
Consider the following program Program P2 var n : int; procedure W(var x : int) begin x = x + 1; print x; end procedure D begin var n : int; n = 3; W(n); end begin \\begin P2 n=10; D; end If the language has dynamic scooping and parameters are passed by reference, what will be printed by the program? 10 11 3 None of the above

Consider the following programProgram P2 var n : int; procedure W(var x : int) begin x = x + 1; print x; end procedure D begin var n : int; n = 3; W(n); end begin \\begin...

7.4k views

Kathleen asked Sep 14, 2014

62 votes

3 answers

929

GATE CSE 2001 | Question: 2.18
Consider the following three C functions: $[P1]$ int *g(void) { int x = 10; return (&x); } $[P2]$ int *g(void) { int *px; *px = 10; return px; } $[P3]$ int *g(void) { int *px; px = (int*) malloc (sizeof(int)); *px = 10; ... of the above three functions are likely to cause problems with pointers? Only $P3$ Only $P1$ and $P3$ Only $P1$ and $P2$ $P1, P2$ and $P3$

Consider the following three C functions:$[P1]$ int *g(void) { int x = 10; return (&x); }$[P2]$ int *g(void) { int *px; *px = 10; return px; }$[P3]$ int *g(void) { int *p...

24.5k views

Kathleen asked Sep 14, 2014

6 votes

2 answers

930

GATE CSE 2000 | Question: 18
Consider the following program is pseudo-Pascal syntax program main; var x: integer; procedure Q (z: integer); begin z := z+x; writeln(z); end; procedure P (y: integer); var x: integer; begin x := y+2; Q(x); writeln(x); ... is call-by-value and the scope rule is static scoping? the parameter passing mechanism is call-by-reference and the scope rule is dynamic scoping?

Consider the following program is pseudo-Pascal syntaxprogram main; var x: integer; procedure Q (z: integer); begin z := z+x; writeln(z); end; procedure P (y: integer);...

3.1k views

Kathleen asked Sep 14, 2014

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