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MCQOPTIONS
This section includes 9294 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 901. |
Which of the following is operating system? |
| A. | MS WORD |
| B. | Ventura |
| C. | Java |
| D. | Windows |
| Answer» E. | |
| 902. |
In computers the secondary memory is faster than primary memory. |
| A. | True |
| B. | False |
| Answer» C. | |
| 903. |
Consider the following in C An arithmetic operation between integer and an integer gives integer as the result.An arithmetic operation between a real and a real constant gives real constant as the result.An arithmetic operation between an integer constant and a real constant is not valid. Which of the above are correct? |
| A. | All |
| B. | 1 and 2 only |
| C. | 2 and 3 only |
| D. | 1 and 3 only |
| Answer» C. 2 and 3 only | |
| 904. |
LET JCOKE = 11 and LPEPSI = 19. Consider the statement IF (JCOKE - LPEPSI) 5, 5, 75 JCOKE = JCOKE + 2 7 JCOKE = JCOKE + 5 The value of JCOKE after the execution of above statement will be |
| A. | 13 |
| B. | 16 |
| C. | 9 |
| D. | 14 |
| Answer» B. 16 | |
| 905. |
A nibble corresponds to |
| A. | 2 successive bits of data |
| B. | 4 successive bits of data |
| C. | 8 successive bits of data |
| D. | 16 successive bits of data |
| Answer» C. 8 successive bits of data | |
| 906. |
Binary storage of decimal number 44 in 8 bits is |
| A. | 00101100 |
| B. | 10101100 |
| C. | 10101101 |
| D. | 00101101 |
| Answer» B. 10101100 | |
| 907. |
Consider the following statements An assembler is a program having assembly language program as input and machine language program as output.A macro assembler is an assembler with additional macro facilities.A cross assembler for a P X is an assembler which executes on source microcomputer with a different CPU than X bit generates code for X.Assemblers generally do not provide macro facilities. Of the above statement |
| A. | All are correct |
| B. | only 1, 2, 3 are correct |
| C. | only 1, 2, 4 are correct |
| D. | only 1, 3, 4 are correct |
| Answer» C. only 1, 2, 4 are correct | |
| 908. |
A computer window has a bar at its top to bear the name of window. This bar is called |
| A. | title bar |
| B. | status bar |
| C. | menu bar |
| D. | control bar |
| Answer» B. status bar | |
| 909. |
Read the following statements about files in Pascal A file can grow or shrink dynamically.A file which consists of only characters is called text file.Text files may be read and written using standard Pascal READ and WRITE procedures.Every file must have a beginning but may or may not have an end. Which of the above are correct? |
| A. | All |
| B. | 1, 2, 3 only |
| C. | 2, 3, 4 only |
| D. | 1, 2 and 4 only |
| Answer» C. 2, 3, 4 only | |
| 910. |
If word length is 16 bits the decimal equivalent of largest number which can be stored is |
| A. | 32767 |
| B. | 32766 |
| C. | 16383 |
| D. | 16384 |
| Answer» B. 32766 | |
| 911. |
Consider the following program in C int k;float a, b, c;k = a* b* c / 100 + 2.5 / 2 - 0.3 * 9 if a - 5.0, b = 2.0 and c = 3.0 the final result k = |
| A. | 1 |
| B. | - 1 |
| C. | + 1.15 |
| D. | - 1.15 |
| Answer» C. + 1.15 | |
| 912. |
A computer program is used to read N and print the sum 12 + 22 + 32 +.....+ N2. If N = 10, the print out will show the number |
| A. | 100 |
| B. | 10 |
| C. | 385 |
| D. | 285 |
| Answer» D. 285 | |
| 913. |
Which of the following arithmetic operations requires only one operand in FORTRAN 77? |
| A. | Addition |
| B. | Multiplication |
| C. | Negative |
| D. | Substraction |
| Answer» D. Substraction | |
| 914. |
Which of the following array names is invalid in Fortran 77? |
| A. | B(2, 4) |
| B. | B(M, 3) |
| C. | B(M, R) |
| D. | B(3, 6) |
| Answer» D. B(3, 6) | |
| 915. |
Zip floppy has a capacity of |
| A. | 50 MB |
| B. | 500 MB |
| C. | 25 MB |
| D. | 100 MB or 250 MB |
| Answer» E. | |
| 916. |
Assuming that k is an integer what would the result of following expression in Ck = 2* 3 / 5 + 4 / 4 + 8 - 2 - 4 / 8 |
| A. | 8 |
| B. | 7 |
| C. | 7.5 |
| D. | zero |
| Answer» B. 7 | |
| 917. |
Consider the following program in C int k float b ; k = 3 b = 10.1 k = k / bThe final result would be k = |
| A. | 0.297 |
| B. | 0.2 |
| C. | 0 |
| D. | 3 |
| Answer» D. 3 | |
| 918. |
The decimal equivalent of binary 1101.11 is |
| A. | 9.75 |
| B. | 13.75 |
| C. | 11.50 |
| D. | 11.75 |
| Answer» C. 11.50 | |
| 919. |
Which of the following is a valid real constant? |
| A. | -81.56 |
| B. | 73 |
| C. | 10254,1 |
| D. | 42 |
| Answer» B. 73 | |
| 920. |
Assertion (A): C has a large number of library functions classified as arithmetic functions, data conversion functions, character classified functions, string manipulation functions, searching and sorting functions etc.Reason (R): 8086 uses a segment : offset addressing scheme. |
| A. | Both A and R are correct and R is correct explanation of A |
| B. | Both A and R are correct but R is not correct explanation of A |
| C. | A is correct R is wrong |
| D. | A is wrong R is correct |
| Answer» C. A is correct R is wrong | |
| 921. |
The box on the external left of the title bar of menu is called control menu box. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 922. |
An 8 bit wide 4 word sequential memory has |
| A. | Eight 4 bit shift registers |
| B. | Eight 8 bit shift registers |
| C. | Four 8 bit shift registers |
| D. | Foui 4 bit shift registers |
| Answer» B. Eight 8 bit shift registers | |
| 923. |
The maximum number of characters for variable names in C is |
| A. | 4 |
| B. | 8 |
| C. | 12 |
| D. | 16 |
| Answer» C. 12 | |
| 924. |
MS Excel is an application software for financial planning. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 925. |
Consider the following program for 8085MVIA, 00HMVIA, 53H CMAThe contents of accumulator at the end of this program will be |
| A. | <code>OACH</code> |
| B. | <code>53 H</code> |
| C. | <code>OADH</code> |
| D. | <code>54 H</code> |
| Answer» B. <code>53 H</code> | |
| 926. |
Assertion (A): C has 32 keywords like auto, if, do, float etc.Reason (R): Key words can not be used as variable names in C. |
| A. | Both A and R are correct and R is correct explanation of A |
| B. | Both A and R are correct but R is not correct explanation of A |
| C. | A is correct R is wrong |
| D. | A is wrong R is correct |
| Answer» C. A is correct R is wrong | |
| 927. |
Consider the following statements A total of about 1 million bytes can be directly accessed by 8086 microprocessor.The 8086 has thirteen 16 bit registers.The 8086 has eight flags.Compared to 8086, the 80286 provides a higher degree of memory protection. Of the above statements |
| A. | 1, 2, 3, 4 are correct |
| B. | 1, 3, 4 are correct |
| C. | 1, 2, 4 are correct |
| D. | 1, 2, 3 are correct |
| Answer» D. 1, 2, 3 are correct | |
| 928. |
In Pascal the repeat and while loops will terminate |
| A. | only when the logical expression controlling the loop becomes true for both repeat and while loops |
| B. | only when the logical expression controlling the loop becomes false for both repeat and while loops |
| C. | only when the logical expression controlling the loop becomes true for repeat loop and false for while loop |
| D. | only when the logical expression controlling the loop becomes false for repeat loop and true for while loop |
| Answer» D. only when the logical expression controlling the loop becomes false for repeat loop and true for while loop | |
| 929. |
Which of the following statements is non-executable in FORTRAN 77? |
| A. | DO |
| B. | ASSIGN |
| C. | END |
| D. | DIMENSION |
| Answer» E. | |
| 930. |
Assertion (A): The 'do while' statement is used less frequently than the 'while' statement.Reason (R): For most applications it is more natural to test for continuation of loop at the beginning than at the end of loop. |
| A. | Both A and R are correct and R is correct explanation of A |
| B. | Both A and R are correct but R is not correct explanation of A |
| C. | A is correct R is wrong |
| D. | A is wrong R is correct |
| Answer» B. Both A and R are correct but R is not correct explanation of A | |
| 931. |
Consider the following in C int k float a ;k = 4.2a = 300 The values stored in computer memory for k and a are respectively |
| A. | 4.2 and 300 |
| B. | 4 and 300 respectively |
| C. | 4.2 and 300.00 respectively |
| D. | 4 and 300.00 respectively |
| Answer» E. | |
| 932. |
The statement IMPLICIT INTEGER (A - F) in FORTRAN identifies |
| A. | all variable names which begin with A, B, C, D, E or F as being of integer type |
| B. | all character names which begin with A, B, C, D, E, or F as being of integer type |
| C. | all variable names which begin with A and have 6 characters |
| D. | none of the above |
| Answer» B. all character names which begin with A, B, C, D, E, or F as being of integer type | |
| 933. |
Cache memory size is about |
| A. | a few KB |
| B. | about 500 KB |
| C. | about 1 MB |
| D. | about 50 MB |
| Answer» B. about 500 KB | |
| 934. |
An arithmetic statement in C must be |
| A. | integer mode arithmetic statement |
| B. | real mode arithmetic statement |
| C. | mixed mode arithmetic statement |
| D. | any of the above |
| Answer» E. | |
| 935. |
In EPROM integrated dose is defined as |
| A. | UV light intensity x exposure time in seconds |
| B. | UV light intensity / exposure time in seconds |
| C. | exposure time in seconds / UV light intensity |
| D. | none of the above |
| Answer» B. UV light intensity / exposure time in seconds | |
| 936. |
MS outlook is a software for DTP. |
| A. | True |
| B. | False |
| Answer» C. | |
| 937. |
In 8086 a word OA 50 FH is stored in 02 and 03 memory locations. Then |
| A. | OFH is stored at location 02 and 0 A 5 at location 03 and address of word is 02 |
| B. | OFH is stored at location 03 and 0 A 5 at location 02 and address of word in 02 |
| C. | OFH is stored at location 02 and 0 A 5 at location 03 and address of word is 03 |
| D. | OFH is stored at location 03 and 0 A 5 at location 02 and address of word is 03 |
| Answer» B. OFH is stored at location 03 and 0 A 5 at location 02 and address of word in 02 | |
| 938. |
Consider the following statement in FORTRAN 77 READ*, [X(I) Y(I) = 0, 3, 2] Which of the following is correct? |
| A. | 2 values could be read and stored asX (0), Y (0) |
| B. | 4 values could be read and stored asX (0), Y (0), X (2), Y (2) |
| C. | 6 values could be read and stored as X (0), Y (0), Y (2), X (3), Y (3) |
| D. | none of the above |
| Answer» C. 6 values could be read and stored as X (0), Y (0), Y (2), X (3), Y (3) | |
| 939. |
Assertion (A): If contents of F register in 8085 are 01010001, it means S = 0, Z = 1, AC= 1, P = 0 and CY = 1.Reason (R): When an instruction is called from memory, the op. code of instruction is stored in instruction register. |
| A. | Both A and R are correct and R is correct explanation of A |
| B. | Both A and R are correct but R is not correct explanation of A |
| C. | A is correct R is wrong |
| D. | A is wrong R is correct |
| Answer» C. A is correct R is wrong | |
| 940. |
The combination of registers in 8085 is B-C, D-E, H-L only. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 941. |
The number 0.004854 in normalized floating point mode is represented as |
| A. | <img src="/_files/images/electronics-and-communication-engineering/microprocessors/39-486-1.png"> |
| B. | <img src="/_files/images/electronics-and-communication-engineering/microprocessors/39-486-2.png"> |
| C. | <img src="/_files/images/electronics-and-communication-engineering/microprocessors/39-486-3.png"> |
| D. | <img src="/_files/images/electronics-and-communication-engineering/microprocessors/39-486-4.png"> |
| Answer» B. <img src="/_files/images/electronics-and-communication-engineering/microprocessors/39-486-2.png"> | |
| 942. |
An instruction used to set cany flag in a computer is classified as |
| A. | data transfer |
| B. | arithmetic |
| C. | logical |
| D. | program control |
| Answer» C. logical | |
| 943. |
Consider the following mnemonics MOVADDLXI Which of the above are valid for 8085? |
| A. | 1 and 2 only |
| B. | 1 only |
| C. | 1, 2 and 3 |
| D. | 1 and 3 only |
| Answer» D. 1 and 3 only | |
| 944. |
A memory system has a 9 chips. If MTBF of one clip is 900 000 hours, MTBF of complete memory system is |
| A. | 900000 hours |
| B. | 100000 hours |
| C. | 8100000 hours |
| D. | 1800000 hours |
| Answer» C. 8100000 hours | |
| 945. |
If X = - 285.56 and the Pascal write statement used is WRITE (X : 8). Then the print out will appear as |
| A. | -285.560 |
| B. | -2.85 E + 02 |
| C. | -2.85560 E + 02 |
| D. | -2.8 E + 02 |
| Answer» E. | |
| 946. |
For the Infix expression A + B - C + D the Postfix notation is |
| A. | AB + C - D + |
| B. | + AB - C + D |
| C. | AB - C + D |
| D. | None of the above |
| Answer» B. + AB - C + D | |
| 947. |
The length of character constant P . b b . E . b C . is |
| A. | 9 |
| B. | 6 |
| C. | 10 |
| D. | 7 |
| Answer» D. 7 | |
| 948. |
Which of the following is also called handshaking programmed data transfer? |
| A. | Synchronous transfer |
| B. | Asynchronous transfer |
| C. | Interrupt driver transfer |
| D. | Both (a) and (c) |
| Answer» C. Interrupt driver transfer | |
| 949. |
In FORTRAN 77 the total number of characters in a variable can be a maximum of |
| A. | 6 |
| B. | 1 |
| C. | 8 |
| D. | 9 |
| Answer» B. 1 | |
| 950. |
Consider the following program for 8085 MOV A, DRALMOV D, A If initial contents of register D is decimal number 20, the final content of register D is |
| A. | decimal 20 |
| B. | decimal 40 |
| C. | decimal 10 |
| D. | none of the above |
| Answer» C. decimal 10 | |