MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A decimal 11 in BCD is ________. |
| A. | 00001011 |
| B. | 00001100 |
| C. | 00010001 |
| D. | 00010010 |
| Answer» D. 00010010 | |
| 2. |
Convert the following decimal number to hexadecimal. 125 |
| A. | 7D16 |
| B. | D716 |
| C. | 7C16 |
| D. | C716 |
| Answer» B. D716 | |
| 3. |
Convert the following decimal number to hexadecimal. 125 |
| A. | 7D16 |
| B. | D716 |
| C. | 7C16 |
| D. | C716 |
| Answer» B. D716 | |
| 4. |
Convert the following hexadecimal number to binary. C916 |
| A. | 101110012 |
| B. | 101110112 |
| C. | 100111002 |
| D. | 110010012 |
| Answer» E. | |
| 5. |
Convert the following decimal number to 8-bit binary. 35 |
| A. | 000100102 |
| B. | 000100112 |
| C. | 001000112 |
| D. | 001000102 |
| Answer» D. 001000102 | |
| 6. |
Hexadecimal letters A through F are used for decimal equivalent values from: |
| A. | 1 through 6 |
| B. | 9 through 14 |
| C. | 10 through 15 |
| D. | 11 through 17 |
| Answer» D. 11 through 17 | |
| 7. |
An analog signal has a range from 0 V to 5 V. What is the total number of analog possibilities within this range? |
| A. | 5 |
| B. | 50 |
| C. | 250 |
| D. | infinite |
| Answer» E. | |
| 8. |
Convert 17318 to decimal. |
| A. | 216.4 |
| B. | 985 |
| C. | 3D9 |
| D. | 1123 |
| Answer» C. 3D9 | |
| 9. |
Convert binary 11001111 to hexadecimal. |
| A. | 8F16 |
| B. | CE16 |
| C. | DF16 |
| D. | CF16 |
| Answer» E. | |
| 10. |
Convert the following octal number to decimal. 358 |
| A. | 71 |
| B. | 17 |
| C. | 92 |
| D. | 29 |
| Answer» E. | |
| 11. |
When using even parity, where is the parity bit placed? |
| A. | Before the MSB |
| B. | After the LSB |
| C. | In the parity word |
| D. | After the odd parity bit |
| Answer» B. After the LSB | |
| 12. |
Convert the following decimal number to octal. 281 |
| A. | 1348 |
| B. | 4318 |
| C. | 3318 |
| D. | 1338 |
| Answer» C. 3318 | |
| 13. |
Convert 11001010001101012 to hexadecimal. |
| A. | 121035 |
| B. | CA35 |
| C. | 53AC1 |
| D. | 530121 |
| Answer» C. 53AC1 | |
| 14. |
Convert the following octal number to binary. 768 |
| A. | 1101112 |
| B. | 1111102 |
| C. | 1111002 |
| D. | 1001112 |
| Answer» C. 1111002 | |
| 15. |
The binary number 1110 is equal to the decimal number ________. |
| A. | 3 |
| B. | 1 |
| C. | 7 |
| D. | 14 |
| Answer» E. | |
| 16. |
The octal numbering system: |
| A. | simplifies tasks |
| B. | groups binary numbers in groups of 4 |
| C. | saves time |
| D. | simplifies tasks and saves time |
| Answer» E. | |
| 17. |
Which is not a word size? |
| A. | 64 |
| B. | 28 |
| C. | 16 |
| D. | 8 |
| Answer» C. 16 | |
| 18. |
Convert binary 01001110 to decimal. |
| A. | 4E |
| B. | 78 |
| C. | 76 |
| D. | 116 |
| Answer» C. 76 | |
| 19. |
The sum of the two BCD numbers, 0011 + 0011, is ________. |
| A. | 0110 |
| B. | 0111 |
| C. | 0011 |
| D. | 1100 |
| Answer» B. 0111 | |
| 20. |
The decimal number for octal 748 is ________. |
| A. | 74 |
| B. | 60 |
| C. | 22 |
| D. | 62 |
| Answer» C. 22 | |
| 21. |
Convert decimal 213 to binary. |
| A. | 11001101 |
| B. | 11010101 |
| C. | 01111001 |
| D. | 11100011 |
| Answer» C. 01111001 | |
| 22. |
A binary number's value changes most drastically when the ________ is changed. |
| A. | MSB |
| B. | frequency |
| C. | LSB |
| D. | duty cycle |
| Answer» B. frequency | |
| 23. |
How many bits are in an ASCII character? |
| A. | 16 |
| B. | 8 |
| C. | 7 |
| D. | 4 |
| Answer» D. 4 | |
| 24. |
Convert the following binary number to octal. 0011010112 |
| A. | 1538 |
| B. | 3518 |
| C. | 2538 |
| D. | 3528 |
| Answer» B. 3518 | |
| 25. |
The decimal number 188 is equal to the binary number ________. |
| A. | 10111100 |
| B. | 0111000 |
| C. | 1100011 |
| D. | 1111000 |
| Answer» B. 0111000 | |
| 26. |
Convert the following binary number to decimal. 100110102 |
| A. | 154 |
| B. | 155 |
| C. | 153 |
| D. | 157 |
| Answer» B. 155 | |
| 27. |
The sum of 11101 + 10111 equals ________. |
| A. | 110011 |
| B. | 100001 |
| C. | 110100 |
| D. | 100100 |
| Answer» D. 100100 | |
| 28. |
The binary number for octal 458 is ________. |
| A. | 100010 |
| B. | 100101 |
| C. | 110101 |
| D. | 100100 |
| Answer» C. 110101 | |
| 29. |
The BCD number for decimal 347 is ________. |
| A. | 1100 1011 1000 |
| B. | 0011 0100 0111 |
| C. | 0011 0100 0001 |
| D. | 1100 1011 0110 |
| Answer» C. 0011 0100 0001 | |
| 30. |
How many binary digits are required to count to 10010? |
| A. | 7 |
| B. | 2 |
| C. | 3 |
| D. | 100 |
| Answer» B. 2 | |
| 31. |
Convert the following binary number to octal. 0101111002 |
| A. | 1728 |
| B. | 2728 |
| C. | 1748 |
| D. | 2748 |
| Answer» E. | |
| 32. |
Convert the following octal number to decimal. 178 |
| A. | 51 |
| B. | 82 |
| C. | 57 |
| D. | 15 |
| Answer» E. | |
| 33. |
Convert hexadecimal value C1 to binary. |
| A. | 11000001 |
| B. | 1000111 |
| C. | 111000100 |
| D. | 111000001 |
| Answer» B. 1000111 | |
| 34. |
Convert decimal 64 to binary. |
| A. | 01010010 |
| B. | 01000000 |
| C. | 00110110 |
| D. | 01001000 |
| Answer» C. 00110110 | |
| 35. |
Assign the proper odd parity bit to the code 111001. |
| A. | 1111011 |
| B. | 1111001 |
| C. | 0111111 |
| D. | 0011111 |
| Answer» C. 0111111 | |
| 36. |
Which is typically the longest: bit, byte, nibble, word? |
| A. | Bit |
| B. | Byte |
| C. | Nibble |
| D. | Word |
| Answer» E. | |
| 37. |
Convert 8B3F16 to binary. |
| A. | 35647 |
| B. | 011010 |
| C. | 1011001111100011 |
| D. | 1000101100111111 |
| Answer» E. | |
| 38. |
Convert 59.7210 to BCD. |
| A. | 111011 |
| B. | 01011001.01110010 |
| C. | 1110.11 |
| D. | 0101100101110010 |
| Answer» C. 1110.11 | |
| 39. |
If a typical PC uses a 20-bit address code, how much memory can the CPU address? |
| A. | 20 MB |
| B. | 10 MB |
| C. | 1 MB |
| D. | 580 MB |
| Answer» D. 580 MB | |
| 40. |
Which of the following is the most widely used alphanumeric code for computer input and output? |
| A. | Gray |
| B. | ASCII |
| C. | Parity |
| D. | EBCDIC |
| Answer» C. Parity | |
| 41. |
One hex digit is sometimes referred to as a(n): |
| A. | byte |
| B. | nibble |
| C. | grouping |
| D. | instruction |
| Answer» C. grouping | |
| 42. |
The voltages in digital electronics are continuously variable. |
| A. | True |
| B. | False |
| Answer» C. | |
| 43. |
Decode the following ASCII message. 10100111010100101010110001001011001 01000001001000100000110100101000100 |
| A. | STUDYHARD |
| B. | STUDY HARD |
| C. | stydyhard |
| D. | study hard |
| Answer» C. stydyhard | |
| 44. |
Convert the binary number 1001.00102 to decimal |
| A. | 90.125 |
| B. | 9.125 |
| C. | 125 |
| D. | 12.5 |
| Answer» C. 125 | |
| 45. |
Convert the following binary number to decimal. 010112 |
| A. | 11 |
| B. | 35 |
| C. | 15 |
| D. | 10 |
| Answer» B. 35 | |
| 46. |
Convert binary 111111110010 to hexadecimal. |
| A. | EE216 |
| B. | FF216 |
| C. | 2FE16 |
| D. | FD216 |
| Answer» C. 2FE16 | |
| 47. |
Convert the following decimal number to 8-bit binary. 187 |
| A. | 101110112 |
| B. | 110111012 |
| C. | 101111012 |
| D. | 101111002 |
| Answer» B. 110111012 | |
| 48. |
Convert hexadecimal value 16 to decimal. |
| A. | 2210 |
| B. | 1610 |
| C. | 1010 |
| D. | 2010 |
| Answer» B. 1610 | |