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MCQOPTIONS
This section includes 47 Mcqs, each offering curated multiple-choice questions to sharpen your Dell knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What will be the output of the following C code? #include <stdio.h> void main() { int k = 0; double b = k++ + ++k + k--; printf("%d", k); } |
| A. | 6 |
| B. | 1 |
| C. | 5 |
| D. | undefined |
| Answer» E. | |
| 2. |
What will be the output of the following C code? #include <stdio.h> void main() { double b = 5 & 3 && 4 || 5 | 6; printf("%lf", b); } |
| A. | 1.000000 |
| B. | 0.000000 |
| C. | 7.000000 |
| D. | 2.000000 |
| Answer» B. 0.000000 | |
| 3. |
What will be the output of the following C code? #include <stdio.h> void main() { double b = 3 && 5 & 4 % 3; printf("%lf", b); } |
| A. | 3.000000 |
| B. | 4.000000 |
| C. | 5.000000 |
| D. | 1.000000 |
| Answer» E. | |
| 4. |
What will be the output of the following C code? #include <stdio.h> void main() { double b = 5 % 3 & 4 + 5 * 6; printf("%lf", b); } |
| A. | 2 |
| B. | 30 |
| C. | 2.000000 |
| D. | Run time error |
| Answer» D. Run time error | |
| 5. |
What will be the output of the following C code? #include <stdio.h> void main() { double b = 3 % 0 * 1 - 4 / 2; printf("%lf", b); } |
| A. | -2 |
| B. | Floating point Exception |
| C. | 1 |
| D. | None of the mentioned |
| Answer» C. 1 | |
| 6. |
What will be the output of the following C code? #include <stdio.h> void main( { double b = 8; b++; printf("%lf", b); } |
| A. | 9.000000 |
| B. | 9 |
| C. | 9.0 |
| D. | Run time error |
| Answer» B. 9 | |
| 7. |
What will be the output of the following C code? #include <stdio.h> void main() { int b = 6; int c = 7; int a = ++b + c--; printf("%d", a); } |
| A. | Run time error |
| B. | 15 |
| C. | 13 |
| D. | 14 |
| Answer» E. | |
| 8. |
What will be the output of the following C code? #include <stdio.h> void main() { int a = 5 * 3 % 6 - 8 + 3; printf("%d", a); } |
| A. | 10 |
| B. | 2 |
| C. | -2 |
| D. | -3 |
| Answer» D. -3 | |
| 9. |
What will be the output of the following C code? #include <stdio.h> void main() { int a = 2 + 4 + 3 * 5 / 3 - 5; printf("%d", a); } |
| A. | 7 |
| B. | 6 |
| C. | 10 |
| D. | 9 |
| Answer» C. 10 | |
| 10. |
What will be the output of the following C code? #include <stdio.h> void main() { int a = 5 * 3 + 2 - 4; printf("%d", a); } |
| A. | 13 |
| B. | 14 |
| C. | 12 |
| D. | 1 6 |
| Answer» B. 14 | |
| 11. |
What will be the output of the following C code? #include <stdio.h> int main() { int x = 0, y = 2; int z = ~x & y; printf("%d\n", z); } |
| A. | -1 |
| B. | 2 |
| C. | 0 |
| D. | Compile time error |
| Answer» C. 0 | |
| 12. |
What will be the output of the following C code? #include <stdio.h> int main() { int x = 0, y = 2; if (!x && y) printf("true\n"); else printf("false\n"); } |
| A. | True |
| B. | False |
| C. | Compile time error |
| D. | Undefined behaviour |
| Answer» B. False | |
| 13. |
What will be the output of the following C code? #include <stdio.h> int main() { int x = 2, y = 0; int z = x && y = 1; printf("%d\n", z); } |
| A. | 0 |
| B. | 1 |
| C. | Compile time error |
| D. | 2 |
| Answer» D. 2 | |
| 14. |
What will be the output of the following C code? #include <stdio.h> int main() { int x = 2, y = 2; int z = x ^ y & 1; printf("%d\n", z); } |
| A. | 1 |
| B. | 2 |
| C. | 0 |
| D. | 1 or 2 |
| Answer» C. 0 | |
| 15. |
What will be the output of the following C code? #include <stdio.h> int main() { int x = 3; //, y = 2; const int *p = &x; *p++; printf("%d\n", *p); } |
| A. | Increment of read-only location compile error |
| B. | 4 |
| C. | Some garbage value |
| D. | Undefined behaviour |
| Answer» D. Undefined behaviour | |
| 16. |
What will be the output of the following C code? #include <stdio.h> int main() { int x = 1, y = 2; int z = x & y == 2; printf("%d\n", z); } |
| A. | 0 |
| B. | 1 |
| C. | Compile time error |
| D. | Undefined behaviour |
| Answer» C. Compile time error | |
| 17. |
Default storage class if not any is specified for a local variable, is auto |
| A. | true |
| B. | false |
| C. | Depends on the standard |
| D. | None of the mentioned |
| Answer» B. false | |
| 18. |
The scope of an automatic variable is: |
| A. | Within the block it appears |
| B. | Within the blocks of the block it appears |
| C. | Until the end of program |
| D. | Both (a) and (b) |
| Answer» E. | |
| 19. |
What is the output of this C code? #include <stdio.h> int main() { int a = 10; if (a == a--) printf("TRUE 1\t"); a = 10; if (a == --a) printf("TRUE 2\t"); } |
| A. | TRUE 1 |
| B. | TRUE 2 |
| C. | TRUE 1 TRUE 2 |
| D. | No output |
| Answer» D. No output | |
| 20. |
What is the output of this C code? #include <stdio.h> int main() { printf("crazyfor\code\n"); return 0; } |
| A. | crazyforcode |
| B. | crazyfor code |
| C. | codeyfor |
| D. | crazyfor |
| Answer» D. crazyfor | |
| 21. |
What is the output of this C code? #include <stdio.h> int main() { char *p[1] = {"hello"}; printf("%s", (p)[0]); return 0; } |
| A. | Compile time error |
| B. | Undefined behaviour |
| C. | hello |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 22. |
What is the output of this C code? #include <stdio.h> int main() { char chr; chr = 128; printf("%d\n", chr); return 0; } |
| A. | 128 |
| B. | -128 |
| C. | Depends on the compiler |
| D. | None of the mentioned |
| Answer» C. Depends on the compiler | |
| 23. |
What will happen if the below program is executed? #include <stdio.h> int main() { int main = 3; printf("%d", main); return 0; } |
| A. | It will cause a compile-time error |
| B. | It will cause a run-time error |
| C. | It will run without any error and prints 3 |
| D. | It will experience infinite looping |
| Answer» D. It will experience infinite looping | |
| 24. |
What is the output of this C code? #include <stdio.h> int main() { printf("Hello World! %d \n", x); return 0; } |
| A. | Hello World! x; |
| B. | Hello World! followed by a junk value |
| C. | Compile time error |
| D. | Hello World! |
| Answer» D. Hello World! | |
| 25. |
Which is valid C expression? |
| A. | int my_num = 100,000; |
| B. | int my_num = 100000 |
| C. | int my num = 1000; |
| D. | int $my_num = 10000; |
| Answer» C. int my num = 1000; | |
| 26. |
Property of external variable to be accessed by any source file is called by C90 standard as |
| A. | external linkage |
| B. | external scope |
| C. | global scope |
| D. | global linkage |
| Answer» B. external scope | |
| 27. |
Which of the following is not possible? |
| A. | A structure variable pointing to itself |
| B. | A structure variable pointing to another structure variable of same type |
| C. | 2 different type of structure variable pointing at each other. |
| D. | None of these |
| Answer» E. | |
| 28. |
What is the output of this C code? #include <stdio.h> #define foo(m, n) m * n = 10 int main() { printf("in main\n"); } |
| A. | In main |
| B. | Compilation error as lvalue is required for the expression m*n=10 |
| C. | Preprocessor error as lvalue is required for the expression m*n=10 |
| D. | None of the mentioned |
| Answer» B. Compilation error as lvalue is required for the expression m*n=10 | |
| 29. |
What is the output of this C code? #include <stdio.h> int main() { char *str = "hello, world"; char *str1 = "hello, world"; if (strcmp(str, str1)) printf("equal"); else printf("unequal"); } |
| A. | equal |
| B. | unequal |
| C. | none |
| D. | Depends on the compiler |
| Answer» C. none | |
| 30. |
What is the output of this C code? #include <stdio.h> void main() { static int x; if (x++ < 2) main(); } |
| A. | Infinite calls to main |
| B. | Run time error |
| C. | Varies |
| D. | main is called twice |
| Answer» E. | |
| 31. |
What is the output of this C code? #include <stdio.h> struct student { char a[5]; }; void main() { struct student s[] = {"hi", "hey"}; printf("%c", s[0].a[1]); } |
| A. | h |
| B. | i |
| C. | e |
| D. | y |
| Answer» C. e | |
| 32. |
What is the output of this C code? #include <stdio.h> void main() { int x = 97; int y = sizeof(x++); printf("x is %d", x); } |
| A. | x is 97 |
| B. | x is 98 |
| C. | x is 99 |
| D. | Run time error |
| Answer» B. x is 98 | |
| 33. |
What is the scope of an external variable? |
| A. | Whole source file in which it is defined |
| B. | From the point of declaration to the end of the file in which it is defined |
| C. | Any source file in a program |
| D. | From the point of declaration to the end of the file being compiled |
| Answer» E. | |
| 34. |
Macintosh is designed and developed by |
| A. | Apple |
| B. | IBM |
| C. | Dell |
| D. | HP |
| Answer» B. IBM | |
| 35. |
iPad is an example of |
| A. | Smart phone |
| B. | Tablet |
| C. | Laptop |
| D. | All of the above |
| Answer» C. Laptop | |
| 36. |
OLAP is acronym for: |
| A. | Online Analytical Project |
| B. | Online Analytical Processing |
| C. | Online Application Process |
| D. | None of the above |
| Answer» C. Online Application Process | |
| 37. |
CBCT stands for: |
| A. | Customer Bank Credit Terminal |
| B. | Commercial Banking Credit Terminal |
| C. | Customer Bank Communication Terminal |
| D. | Commercial Bank Communication Terminal |
| Answer» D. Commercial Bank Communication Terminal | |
| 38. |
Linux is a best described as a(n) ________ kernel. |
| A. | monolithic |
| B. | layered |
| C. | micro |
| D. | export |
| Answer» B. layered | |
| 39. |
802.11 is the standard for _____ developed by the Institute of Electrical and Electronics Engineers (IEEE) |
| A. | Wireless LANs |
| B. | Ethernet |
| C. | Bluetooth |
| D. | Broadband Wireless |
| Answer» B. Ethernet | |
| 40. |
The official network management protocol in TCP/IP protocol suite is called _____. |
| A. | SNTP |
| B. | SNMP |
| C. | SMTP |
| D. | DNS |
| Answer» C. SMTP | |
| 41. |
Which protocol translates private (non routable) IP addresses into public (routable) IP addresses? |
| A. | NAT |
| B. | DHCP |
| C. | DNS |
| D. | ICMP |
| Answer» B. DHCP | |
| 42. |
The Internet Protocol (IPv4) is an example of a: |
| A. | connection-less network layer protocol |
| B. | connection-oriented network layer protocol |
| C. | connection-less transport layer protocol |
| D. | connection-oriented transport layer protocol |
| Answer» D. connection-oriented transport layer protocol | |
| 43. |
Which of the following is not a utility in Windows OS to ensure backup and adequate performance of an internal hard disk? |
| A. | Backup |
| B. | Disk Cleanup |
| C. | Disk Defragmenter |
| D. | Internet Explorer |
| Answer» E. | |
| 44. |
SCSI stands for |
| A. | Standard Computer Systems Interface |
| B. | Small Computer Standards Interface |
| C. | Super Computer Systems Interface |
| D. | Small Computer Systems Interface |
| Answer» E. | |
| 45. |
The following is the first computer printer. |
| A. | Laser |
| B. | Inkjet |
| C. | Dot matrix |
| D. | None of the above |
| Answer» D. None of the above | |
| 46. |
The ____ is the number of times per second the electron beam scans the monitor and recharges the illumination of each pixel. |
| A. | Resolution |
| B. | Sharpness |
| C. | Refresh rate |
| D. | Dot pitch |
| Answer» D. Dot pitch | |
| 47. |
Which input method is used mainly by banks for processing cheques? |
| A. | OMR |
| B. | Bard code reader |
| C. | Light Pen |
| D. | MICR |
| Answer» E. | |