McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Business Administration in Computer Applications (BBA [CA]) .
Chapters
| 1. |
Which data type value is returned by all transcendental math functions? |
| A. | int |
| B. | float |
| C. | double |
| D. | long |
| Answer» C. double | |
| 2. |
Which of these values can a boolean variable contain? |
| A. | true & false |
| B. | 0 & 1 |
| C. | any integer value |
| D. | true |
| Answer» A. true & false | |
| 3. |
Decrement operator, −−, decreases the value of variable by what number? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» A. 1 | |
| 4. |
Which right shift operator preserves the sign of the value? |
| A. | << |
| B. | >> |
| C. | <<= |
| D. | >>= |
| Answer» B. >> | |
| 5. |
What is the output of relational operators? |
| A. | integer |
| B. | boolean |
| C. | characters |
| D. | double |
| Answer» B. boolean | |
| 6. |
. Which of these is returned by “greater than”, “less than” and “equal to” operators? |
| A. | integers |
| B. | floating – point numbers |
| C. | boolean |
| D. | none of the mentioned |
| Answer» C. boolean | |
| 7. |
Which of these jump statements can skip processing the remainder of the code in its body for a particular iteration? |
| A. | break |
| B. | return |
| C. | exit |
| D. | continue |
| Answer» D. continue | |
| 8. |
Which of the following is not a decision making statement? |
| A. | if |
| B. | if-else |
| C. | switch |
| D. | do-while |
| Answer» D. do-while | |
| 9. |
Which of the following is not a valid flow control statement? |
| A. | exit() |
| B. | break |
| C. | continue |
| D. | return |
| Answer» A. exit() | |
| 10. |
What is the range of short data type in Java script ? |
| A. | -128 to 127 |
| B. | -32768 to 32767 |
| C. | -2147483648 to 2147483647 |
| D. | none of the mentioned |
| Answer» B. -32768 to 32767 | |
| 11. |
What is the range of byte data type in Java script? |
| A. | -128 to 127 |
| B. | -32768 to 32767 |
| C. | -2147483648 to 2147483647 |
| D. | none of the mentioned |
| Answer» A. -128 to 127 | |
| 12. |
An expression involving byte, int, and literal numbers is promoted to which of these? |
| A. | int |
| B. | long |
| C. | byte |
| D. | float |
| Answer» A. int | |
| 13. |
What is the numerical range of a char data type in Java script? |
| A. | -128 to 127 |
| B. | 0 to 256 |
| C. | 0 to 32767 |
| D. | 0 to 65535 |
| Answer» D. 0 to 65535 | |
| 14. |
Which of these coding types is used for data type characters in Java script? |
| A. | ascii |
| B. | iso-latin-1 |
| C. | unicode |
| D. | none of the mentioned |
| Answer» C. unicode | |
| 15. |
Which one is a valid declaration of a Boolean? |
| A. | boolean b1 = 1; |
| B. | boolean b2 = ‘false’; |
| C. | boolean b3 = false; |
| D. | boolean b4 = ‘true’ |
| Answer» C. boolean b3 = false; | |
| 16. |
Which of these operators is used to allocate memory to array variable in Java script? |
| A. | malloc |
| B. | alloc |
| C. | new |
| D. | new malloc |
| Answer» C. new | |
| 17. |
Which of these is an incorrect array declaration? |
| A. | intarr[] = new int[5] |
| B. | int [] arr = new int[5] |
| C. | intarr[] = new int[5] |
| D. | intarr[] = int [5] new |
| Answer» D. intarr[] = int [5] new | |
| 18. |
Which of these is necessary to specify at time of array initialization? |
| A. | row |
| B. | column |
| C. | both row and column |
| D. | none of the mentioned |
| Answer» A. row | |
| 19. |
Which of the following can be operands of arithmetic operators? |
| A. | numeric |
| B. | boolean |
| C. | characters |
| D. | both numeric & characters |
| Answer» D. both numeric & characters | |
| 20. |
Modulus operator, %, can be applied to which of these? |
| A. | integers |
| B. | floating – point numbers |
| C. | both integers and floating – point numbers |
| D. | none of the mentioned |
| Answer» C. both integers and floating – point numbers | |
| 21. |
Which operator is used to invert all the digits in a binary representation of a number? |
| A. | ~ |
| B. | <<< |
| C. | >>> |
| D. | ^ |
| Answer» A. ~ | |
| 22. |
On applying Left shift operator, <<, on integer bits are lost one they are shifted past which position bit? |
| A. | 1 |
| B. | 32 |
| C. | 33 |
| D. | 31 |
| Answer» D. 31 | |
| 23. |
Which of these operators can skip evaluating right hand operand? |
| A. | ! |
| B. | none of the mentioned |
| C. | & |
| D. | && |
| Answer» D. && | |
| 24. |
Which of these have highest precedence? |
| A. | () |
| B. | ++ |
| C. | * |
| D. | >> |
| Answer» A. () | |
| 25. |
Which of these statements are incorrect? |
| A. | equal to operator has least precedence |
| B. | brackets () have highest precedence |
| C. | division operator, /, has higher precedence than multiplication operator |
| D. | addition operator, +, and subtraction operator have equal precedence |
| Answer» D. addition operator, +, and subtraction operator have equal precedence | |
| 26. |
Which of these selection statements test only for equality? |
| A. | if |
| B. | switch |
| C. | if & switch |
| D. | none of the mentioned |
| Answer» B. switch | |
| 27. |
. Which of these are selection statements in Java script? |
| A. | if() |
| B. | for() |
| C. | continue |
| D. | break |
| Answer» A. if() | |
| 28. |
Which of the following is not a valid jump statement? |
| A. | break |
| B. | goto |
| C. | continue |
| D. | return |
| Answer» D. return | |
| 29. |
_______is the measured as the amount of data that can be transferred from one point to another point within a specific amount of time. |
| A. | http |
| B. | bandwidth |
| C. | webpage |
| D. | dream viewer |
| Answer» B. bandwidth | |
| 30. |
A ___________ is a document, typically written in plain text distributed with formatting instruction of Hypertext markup languages like HTML,XHTML |
| A. | http |
| B. | bandwidth |
| C. | webpage |
| D. | dream viewer |
| Answer» C. webpage | |
| 31. |
___________ Stands for Hypertext markup languages for displaying web pages and other information that can be displayed in a web browser |
| A. | http |
| B. | bandwidth |
| C. | webpage |
| D. | dream viewer |
| Answer» A. http | |
| 32. |
Cost of buying and running a server for client serve model are high . |
| A. | true |
| B. | false |
| C. | both a & b |
| D. | none of these |
| Answer» A. true | |
| 33. |
Following are the types of CSS , which one is not type of CSS. |
| A. | inline css: |
| B. | internal or embedded css |
| C. | external css: |
| D. | none of these. |
| Answer» D. none of these. | |
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