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MCQOPTIONS
This section includes 653 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A can finish a work in 18 days and B can do the same in half the time taken by A. Then, working together , what part of the same work they can finish in a day? |
| A. | 1/9 |
| B. | 1/6 |
| C. | 2/7 |
| D. | 2/5 |
| Answer» C. 2/7 | |
| 2. |
1)What address is changing when packet moves from network to network? |
| A. | physical |
| B. | Logical |
| C. | both a and b |
| D. | port |
| Answer» B. Logical | |
| 3. |
Booth\'s coding in 8 bits for the decimal number -57 is |
| A. | 0 - 100 100 -1 |
| B. | 0 - 100 1000 |
| C. | 0 0 - 10 100 - 1 |
| D. | 0 - 1 100 - 10 1 |
| Answer» B. 0 - 100 1000 | |
| 4. |
A scientist is running an experiment with two species of bacteria that grow exponentially. If species A doubles in population every 2 days, species B doubles in population every 5 days and each species began the experiment with a population of 50 bac |
| A. | 800 |
| B. | 200 |
| C. | 1400 |
| D. | 1200 |
| Answer» D. 1200 | |
| 5. |
Total 16 packets are sent. Since go-back-n error control strategy is used, all packets after a lost packet are sent again.The address of a class B host is to be split into subnets with a 6-bit subnet number. What is the maximum number of subnets and |
| A. | 64 subnets and 262142 hosts. |
| B. | 62 subnets and 262142 hosts. |
| C. | 64 subnets and 1024 hosts. |
| D. | 62 subnets and 1022 hosts. |
| Answer» E. | |
| 6. |
A sum of money is sufficient to pay A’s wages for 24 days and B’s wages for 40 days. The same money is sufficient to pay the wages of both for : 0 |
| A. | 8 days |
| B. | 7 days |
| C. | 1/8 days |
| D. | 6 days |
| Answer» D. 6 days | |
| 7. |
A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With the help of C, they did the job in 4 days only. Then, C alone can do the job in |
| A. | 9x2/5 days |
| B. | 9x1/5 days |
| C. | 10 days |
| D. | 9x3/5 days |
| Answer» E. | |
| 8. |
A takes twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days, can do the work alone in |
| A. | 6 days |
| B. | 4 days |
| C. | 15 days |
| D. | 12 days |
| Answer» E. | |
| 9. |
A and B together can do a piece of work in 8 days, B alone can do it in 12 days, supposing B alone works at it for 4 days, in how many more days could A alone finish it? |
| A. | 24 days |
| B. | 18 days |
| C. | 20 days |
| D. | 16 days |
| Answer» E. | |
| 10. |
Which table shows the electrical state of a digital circuit\'s output for every possible combination of electrical states in the inputs ? |
| A. | Truth table |
| B. | Function table |
| C. | ASCII table |
| D. | Routing table |
| Answer» C. ASCII table | |
| 11. |
The drawbacks of dekker’s algorithm for mutual exclusion is |
| A. | Does not ensure progress |
| B. | Does not guarantee mutual exclusion sometimes |
| C. | suffers from busy waiting |
| D. | Does not ensure bound waiting |
| Answer» D. Does not ensure bound waiting | |
| 12. |
A and B together can complete a piece of work in 4 days. If A alone can complete the same work in 12 days. in how many days can b alone complete that work? |
| A. | 1/6 days |
| B. | 1/3 days |
| C. | 1/12 days |
| D. | 1/9 days |
| Answer» B. 1/3 days | |
| 13. |
5.Which of the following is an advantage of interrupt – driven I/O over programmed I/O? |
| A. | higher bandwidth availability |
| B. | Faster completion of I/O |
| C. | smaller memory management |
| D. | Better CPU utilization |
| Answer» D. Better CPU utilization | |
| 14. |
Station A needs to send a message consisting of 9 packets to Station B using a sliding window (window size 3) and go-back-n error control strategy. All packets are ready and immediately available for transmission. If every 5th packet that A transmits |
| A. | 14 |
| B. | 12 |
| C. | 18 |
| D. | 16 |
| Answer» E. | |
| 15. |
_____________ function divides one numeric expression by another and returns theremainder. |
| A. | MOD |
| B. | POWER |
| C. | REMAINDER |
| D. | ROUND |
| Answer» B. POWER | |
| 16. |
B can do a job in 6 days ; A and C together can do it in 3 days while A and B together can do it in 4 days. How long will C alone take to do it ? |
| A. | 2 days |
| B. | 6 days |
| C. | 10 days |
| D. | 4 days |
| Answer» E. | |
| 17. |
G (e, a, b, c} is an abelian group with \'e\' as identity element. The order of the other elements are |
| A. | 3,3,3 |
| B. | 2,2,3 |
| C. | 2,3,4 |
| D. | 2,2,4 |
| Answer» C. 2,3,4 | |
| 18. |
A builder decided to build a farmhouse in 45 days. He employed 150 men in the beginning and 120 more after 30 days and completed the construction in stipulated time. If he had not employed the additional men, how many days behind schedule would it ha |
| A. | 10 days |
| B. | 12 days |
| C. | 8 days |
| D. | 15 days |
| Answer» C. 8 days | |
| 19. |
What is the largest number of data inputs which a data selector with two control inputs can have ? |
| A. | 4 |
| B. | 2 |
| C. | 16 |
| D. | 8 |
| Answer» B. 2 | |
| 20. |
The number of oriented simple graphs with |V | = 3 is |
| A. | 24 |
| B. | 27 |
| C. | 18 |
| D. | 21 |
| Answer» C. 18 | |
| 21. |
Which of the following system calls results in the sending of SYN packets? |
| A. | bind |
| B. | socket |
| C. | connect |
| D. | listen |
| Answer» D. listen | |
| 22. |
Kim can do a work in 3 days while David can do the same work in 2 days. Both of them finish the work together and get Rs.150. What is the share of Kim? |
| A. | Rs.60 |
| B. | Rs.30 |
| C. | Rs.75 |
| D. | Rs.70 |
| Answer» B. Rs.30 | |
| 23. |
Which of the following protocols will violate serializability |
| A. | dynamic two phase locking protocol |
| B. | static (or conservative) two phase locking protocol |
| C. | none |
| D. | optimistic concurrency control techniques |
| Answer» D. optimistic concurrency control techniques | |
| 24. |
Mathematically, what is a differential? |
| A. | A word used a lot on a popular medical television series. |
| B. | A gear box on the back end of your car. |
| C. | A method of directly relating how changes in a dependent variable affect changes in an independent variable |
| D. | A method of directly relating how changes in an independent variable affect changes in a dependent variable. |
| Answer» E. | |
| 25. |
If X = {1, 2, 3, 4, 5, 6, 7, 8, 9} A = {x ? N: 30 < x2 < 70}, B = {x : x is a prime numberless than 10}, then which of the following is false: |
| A. | A? B = {7, 8} |
| B. | A U B = {2, 3, 5, 6, 7, 8} |
| C. | A ? B = {2, 3, 5, 6, 8} |
| D. | A-B = {6, 8} |
| Answer» B. A U B = {2, 3, 5, 6, 7, 8} | |
| 26. |
If there are four ROM ICs of 8K and two RAM ICs of 4K words, than the addressrange of Ist RAM is (Assume initial addresses correspond to ROMs) |
| A. | (6000)H to (7FFF)H |
| B. | (8000)H to (9FFF)H |
| C. | (9000)H to (9FFF)H |
| D. | (8000)H to (8FFF)H |
| Answer» E. | |
| 27. |
The highest order of polynomial integrand for which Simpson’s 1/3 rule of integration is exact is |
| A. | second |
| B. | first |
| C. | fourth |
| D. | third |
| Answer» E. | |
| 28. |
The maximum addressing capacity of a micro processor which uses 16 bit database & 32 bit address base is |
| A. | 4 G |
| B. | 64 K. |
| C. | None of these. |
| D. | both (A) & (B). |
| Answer» B. 64 K. | |
| 29. |
A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work? |
| A. | 6 days |
| B. | 5 days |
| C. | 9 days |
| D. | 8 days |
| Answer» B. 5 days | |
| 30. |
Two women, A and B, working separately can reap a field in 12 and 16 hrs respectively. If they work in stretches of one hour alternately, A beginning at 5 am, when will the reaping be finished? |
| A. | 6.20 pm |
| B. | 6.40 pm |
| C. | 0.708333333333333 |
| D. | 6.10 pm |
| Answer» C. 0.708333333333333 | |
| 31. |
P can do a piece of work in 28 days. He works at it for 7 days and then Q finished it in 18 days. How long will they together take to complete the work ? 0 |
| A. | 168/13 |
| B. | 181/13 |
| C. | 182/13 |
| D. | 169/13 |
| Answer» B. 181/13 | |
| 32. |
What is the bit storage capacity of a ROM with a 512\' 4-organization? |
| A. | 2048 |
| B. | 2049 |
| C. | 2046 |
| D. | 2047 |
| Answer» B. 2049 | |
| 33. |
When a computer is first turned on or resrarted, a special type of absolute loader is executed called |
| A. | Boot loader |
| B. | " Compile and GO " loader |
| C. | Relating loader |
| D. | Boot strap loader |
| Answer» E. | |
| 34. |
Does f(c) = (c 2)3 − 2 have an inflection point? If so, where is it located? |
| A. | Yes, at (2, -2). |
| B. | Yes, at (-2, -2). |
| C. | No. |
| D. | Yes, at (8, -2). |
| Answer» C. No. | |
| 35. |
___________ is a technique of temporarily removing inactive programs from thememory of computer system |
| A. | Spooling |
| B. | Swapping |
| C. | Scheduler |
| D. | Semaphore |
| Answer» C. Scheduler | |
| 36. |
The string (a) | ((b) * (c)) is equivalent to |
| A. | set of strings with either a or one or more b's and one c |
| B. | set of strings with either a or zero or more b's and one c |
| C. | both ( and ( |
| D. | b* c l a |
| Answer» E. | |
| 37. |
What is the minimum number of two-input NAND gates used to perform the function of two input OR gate ? |
| A. | two |
| B. | one |
| C. | four |
| D. | three |
| Answer» E. | |
| 38. |
A and B can do a work in 6 days, B and C can do the same work in 4 days. A, B and C together can finish it in 3 days. A and C together will do it in: 0 |
| A. | 5 days |
| B. | 4 days |
| C. | ¼ day. |
| D. | 6 days |
| Answer» C. ¼ day. | |
| 39. |
If A = {1, 2, 3} then relation S = {(1, 1), (2, 2)} is |
| A. | anti-symmetric only |
| B. | symmetric only |
| C. | an equivalence relation |
| D. | both symmetric and anti-symmetric |
| Answer» E. | |
| 40. |
A tyre has punctures. The first puncture alone would have made the tyre flat in 9 minutes and the second alone would have done it in 6 minutes. If air leaks out at a constant rate, how long does it take both the punctures together to make it flat? |
| A. | 3x1/2 minutes |
| B. | 1x1/2 minutes |
| C. | 4x1/4 minutes |
| D. | 3x3/5 minutes |
| Answer» E. | |
| 41. |
In variable length records to save space we use__________ |
| A. | over flow block |
| B. | anchor block |
| C. | byte string representation |
| D. | a & b |
| Answer» E. | |
| 42. |
Which one of the following set of gates are best suited for \'parity\' checking and \'parity\' generation. |
| A. | EX- NOR or EX-OR gates |
| B. | AND, OR, NOT gates |
| C. | NOR gates |
| D. | NAND gates |
| Answer» B. AND, OR, NOT gates | |
| 43. |
Consider regular expression (0 1) (0 1) ....... n times. Minimum state finite automaton that recognizes the language represented by this regular expression contains |
| A. | n 1 states |
| B. | n states |
| C. | NONE OF THESE |
| D. | n 2 states |
| Answer» B. n states | |
| 44. |
An effective solution to the power consumption problem lies in using _______transistors to implement ICs. |
| A. | TTL shottky |
| B. | NMOS |
| C. | both NMOS & PMOS |
| D. | PMOS |
| Answer» D. PMOS | |
| 45. |
Address symbol table is generated by the |
| A. | assembler. |
| B. | memory management software. |
| C. | generated by operating system |
| D. | match logic of associative memory. |
| Answer» B. memory management software. | |
| 46. |
A mathematical-model with a collection of operations defined on that model is called |
| A. | Abstract Data Type |
| B. | Data Structure |
| C. | Algorithm |
| D. | Primitive Data Type |
| Answer» B. Data Structure | |
| 47. |
Which of the following is a main memory |
| A. | Auxiliary memory. |
| B. | Secondary memory |
| C. | Virtual memory. |
| D. | Cache memory. |
| Answer» E. | |
| 48. |
The performance of cache memory is frequently measured in terms of a quantity called |
| A. | Hit ratio. |
| B. | Miss ratio. |
| C. | Read ratio. |
| D. | Latency ratio |
| Answer» E. | |
| 49. |
A can do a work in 12 days and B in 14 days. If they work on it together for 6 days, then the fraction of the work that is left is : |
| A. | 01-01-2014 |
| B. | 13/14 |
| C. | 01-01-2013 |
| D. | 01-12-2015 |
| Answer» B. 13/14 | |
| 50. |
A successive A/D converter is |
| A. | a low speed converter |
| B. | a high-speed converter. |
| C. | none of these. |
| D. | a medium speed converter. |
| Answer» E. | |