InterviewSolution
Saved Bookmarks
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The expression when written is Pascal should be written as |
| Answer» Operators must be written. | |
| 2. |
A modem is connected to PC at |
| Answer» Modem is connected at serial port. | |
| 3. |
A nibble corresponds to |
| Answer» Nibble has 4 bits. | |
| 4. |
A computer program is used to read N and print the sum 1 + 2 + 3 +.....+ N. If N = 10, the print out will show the number |
| Answer» SUM = 12 + 22 + 33 + 44 + 52 + 62 + 77 + 82 + 92 + 102 = 385. | |
| 5. |
If word length is 16 bits the decimal equivalent of largest number which can be stored is |
| Answer» Complete real number has all the three, i.e., sign, integer part and fraction part. | |
| 6. |
A computer window has a bar at its top to bear the name of window. This bar is called |
| Answer» It is called 'title bar'. | |
| 7. |
For the floating point numbers 1.81 x 10 and 0.0152 x 10 the normalised forms are |
| Answer» In normalised form, the integer part is zero. | |
| 8. |
In computers the secondary memory is faster than primary memory. |
| Answer» Secondary memory is slow. | |
| 9. |
Zip floppy has a capacity of |
| Answer» Zip floppy has high memory 100 MB or 250 MB. | |
| 10. |
A microprocessor is generally |
| Answer» It is LSI chip. | |
| 11. |
Binary storage of decimal number 44 in 8 bits is |
| Answer» Use decimal to binary conversion method. | |
| 12. |
LET JCOKE = 11 and LPEPSI = 19. Consider the statement The value of JCOKE after the execution of above statement will be |
| Answer» (J COKE - L PEPSI) is 11 - 19 = - 8 Since (J COKE - L PEPSI) is negative statement 5 is executed and result is 11 + 2 = 13. | |
| 13. |
The decimal equivalent of binary 1101.11 is |
| Answer» Convert to decimal. | |
| 14. |
A failure rate of 0.01 percent in 1000 hours in a memory corresponds to an MTBF of |
| Answer» . | |
| 15. |
Consider the expression = (). The correct C statement for above expression is |
| Answer» All operators must be written explicity in C. | |
| 16. |
Which is a valid Java variable? |
| Answer» In all others first letter is not lower case. | |
| 17. |
Let the initial contents of in 8085 be After the instruction is executed twice the contents of respectively will be |
| Answer» RAL means 'rotate left through carry'. | |
| 18. |
When we use instruction once in 8085, the number is |
| Answer» When RRC is used once the number is divided by 2. | |
| 19. |
When two are cascaded |
| Answer» In cascading carry out of first stage is connected to carry in of second stage. | |
| 20. |
If INT = 50 and LOOT = 30, the result of assignment statement is |
| Answer» The result should be sum of 50 and 30 and decimal must be added. | |
| 21. |
Let JCOKE = 3 and LPEPSI = 5. Consider the statement What will be the final value of JCOKE after the above statement is executed? |
| Answer» The logical IF statement means that IF (3 x J COKE) is equal to (L PEPSI), J COKE = 3 + 2 = 5 otherwise J COKE = 3+5 = 8 Since (3 x J COKE) is more than (L PEPSI), the result is 8. | |
| 22. |
Diskette can be used for primary storage as well as secondary storage in a computer. |
| Answer» Diskette is a secondary storage. | |
| 23. |
If initial value of is zero and a program adds X to , Y times we get the result |
| Answer» Adding X to PROD, Y times evidently gives the product XY. | |
| 24. |
A computer program is used to read N and compute N !. IF N = 6, the result will be |
| Answer» 6! = 6 x 5 x 4 x 3 x 2 x 1 = 720. | |
| 25. |
The port of PC to which mouse is connected is called |
| Answer» Mouse is connected to serial port. | |
| 26. |
FORTRAN expression for is |
| Answer» It is the only expression with correct symbols. | |
| 27. |
A memory chip has 65536 cells in it. Then |
| Answer» Time required to access different cells is the same. | |
| 28. |
Which has volatile memory? |
| Answer» RAM has volatile memory and therefore the matter has to be saved frequently. | |
| 29. |
IC 74181 performs arithmetic operations when M = 1. |
| Answer» When M = 1, IC 74181 performs logic operations. | |
| 30. |
A computer program is used to read M and print the sum 2 + 4 + 6 + 8 +.........+ 2M. If M = 9 , the print out will show the number |
| Answer» SUM = 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 = 90. | |
| 31. |
Initially the number decimal 8 is stored. If instruction is executed twice, the final number stored will be |
| Answer» If instruction RAL is executed once the number gets doubled. | |
| 32. |
In Java 31% gives an answer |
| Answer» Modulus operator gives the remainder of division as answer. | |
| 33. |
For the expression the correct Pascal equivalent is |
| Answer» Operator * must be written explicitly in Pascal. | |
| 34. |
8085 needs + 10 V supply. |
| Answer» 8085 needs +5 V supply. | |
| 35. |
Contents of RAM cannot be altered. |
| Answer» It is read and write memory. Its contents can be changed. | |
| 36. |
If PRIN = 200.0 and BINT = 0.0525 the result of expression will be |
| Answer» The result should not contain decimal. | |
| 37. |
The correct way of writing the expression in Pascal is |
| Answer» Operators must be written. They are not implied. | |
| 38. |
A microprocessor uses 3 MHz oscillator. The duration of one T state is |
| Answer» = 0.333 x 10-6 s. | |
| 39. |
Java's syntax is based on |
| Answer» Java syntax is based on C++. | |
| 40. |
After the execution of above statement the control is transferred to statement number |
| Answer» Since L PEPSI = 2 x 2 + 1 = 5 the control goes to the fifth statement, i.e., 13. | |
| 41. |
In FORTRAN 77 IFIX (-73.2) gives the value |
| Answer» Only integer part appears in result. | |
| 42. |
6 bytes means |
| Answer» One byte has 8 bits. | |
| 43. |
In the integer expression which operation is done first in Pascal |
| Answer» In Pascal binary has highest priority. | |
| 44. |
In Pascal if I = 55, 10 * I div 10 = |
| Answer» In Pascal multiplication has higher precedence than division so 10 x 55 = . | |
| 45. |
If it is desired to tabulate number of students in a class in Fortran language, a proper variable name is |
| Answer» It is an integer. Hence N as first character. | |
| 46. |
Let JCOKE = 20 and LPEPSI =15. Consider the statement The value of JCOKE after the execution of above statement will be |
| Answer» Since 2 x J COKE = 40 and (LPEPSI) is 15 control goes to statement J COKE = J COKE + 3 and result is 23. | |
| 47. |
In Pascal if I = 45, I div 10 * 10 = |
| Answer» → 4 x 10 = 40. | |
| 48. |
Which is not a software? |
| Answer» Hard disc is a memory storage device. | |
| 49. |
Accumulator is an 8 bit register and is also known as register B. |
| Answer» Accumulator is register A. | |
| 50. |
Which language has a preprocessor? |
| Answer» Preprocessor processes the source program before it is passed to compiler. | |