MCQOPTIONS
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MCQOPTIONS
This section includes 4320 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 2351. |
A preliminary guide for comparing the simplicity of logic circuits is to count the number of input _____ leads. |
| A. | wire |
| B. | bus |
| C. | gate |
| D. | All of the above |
| E. | None of the above |
| Answer» D. All of the above | |
| 2352. |
An AND gate has 7 inputs, what is the only input word that produces a 1 output? |
| A. | 0000000 |
| B. | 0001111 |
| C. | 1110000 |
| D. | 1111111 |
| E. | None of the above |
| Answer» E. None of the above | |
| 2353. |
Which of the following electronic component is not found in ordinary ICs? |
| A. | diodes |
| B. | resistors |
| C. | transistors |
| D. | inductors |
| E. | None of the above |
| Answer» E. None of the above | |
| 2354. |
A shift register can be used for |
| A. | parallel to serial conversion |
| B. | serial to parallel conversion |
| C. | digital delay line |
| D. | All of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 2355. |
Which of the following logic families use bipolar transistors? |
| A. | TTL |
| B. | GaAS |
| C. | NMOS |
| D. | CMOS |
| E. | None of the above |
| Answer» B. GaAS | |
| 2356. |
Which of the following Boolean algebra rules is wrong? |
| A. | 0 + A = A |
| B. | 1 + A = 1 |
| C. | A + A = A |
| D. | 1 . x = 1 |
| E. | None of the above |
| Answer» E. None of the above | |
| 2357. |
A flip-flop is a _____ element that stores a binary digit as a low or high voltage. |
| A. | chip |
| B. | bus |
| C. | I/O |
| D. | memory |
| E. | None of the above |
| Answer» E. None of the above | |
| 2358. |
An AND gate has 7 inputs. How many input word are in its truth table? |
| A. | 64 |
| B. | 32 |
| C. | 16 |
| D. | 128 |
| E. | None of the above |
| Answer» E. None of the above | |
| 2359. |
When an inverter is placed between both inputs of an SR flip-flop, the resulting flip-flop is |
| A. | JK flip-flop |
| B. | D flip-flop |
| C. | T flip-flop |
| D. | Master slave JK flip-flop |
| E. | None of the above |
| Answer» C. T flip-flop | |
| 2360. |
Arithmetic operation are coded in |
| A. | Decision symbols |
| B. | Input/Outpur(I/0) |
| C. | Processing symbols |
| D. | Terminal symbols |
| E. | None of the above |
| Answer» D. Terminal symbols | |
| 2361. |
Which function positive logic is equivalent to OR function in negative logic? |
| A. | NOT |
| B. | AND |
| C. | OR |
| D. | NOR |
| E. | None of the above |
| Answer» C. OR | |
| 2362. |
FETs are used in linear ICs to: |
| A. | increase input resistance |
| B. | provide large resistances |
| C. | increase device complexity |
| D. | (a) and (b) above |
| E. | None of the above |
| Answer» E. None of the above | |
| 2363. |
A flip-flop can store |
| A. | one bit of data |
| B. | two bits of data |
| C. | three bits of data |
| D. | any number of bits of data |
| E. | None of the above |
| Answer» B. two bits of data | |
| 2364. |
The input and output devices are located away from the central computer facility in which particular type of processing. |
| A. | Time sharing |
| B. | Batch processing |
| C. | Interactive mode |
| D. | Real time processing |
| E. | None of the above |
| Answer» C. Interactive mode | |
| 2365. |
Which is a swapping device is used to hold the images of pages in main memory. |
| A. | Plex |
| B. | Paging drum |
| C. | Card punch |
| D. | Optical mark reader |
| E. | None of the above |
| Answer» C. Card punch | |
| 2366. |
A section of code that may only be executed by one process at any one time is |
| A. | CPM |
| B. | Critical resource |
| C. | Critical region |
| D. | Gray code |
| E. | None of the above |
| Answer» D. Gray code | |
| 2367. |
The latest PC keyboards use a circuit that senses the movement by the change in its capacitance. What are these keyboards called? |
| A. | Capacitance keyboards |
| B. | Mechanical keyboards |
| C. | Qwerty keyboards |
| D. | Dvorak keyboards |
| E. | None of the above |
| Answer» B. Mechanical keyboards | |
| 2368. |
A step-by-step procedure used to solve a problem is called |
| A. | Operating system |
| B. | Algorithm |
| C. | Application program |
| D. | All of the above |
| E. | None of the above |
| Answer» C. Application program | |
| 2369. |
Pick out the wrong statement. |
| A. | Information stored in RAM can be changed by over writing it |
| B. | Information stored in ROM cannot be changed by overwriting |
| C. | Information can be stored in any location of RAM |
| D. | Computer main memory can be accessed only sequentially |
| E. | None of the above |
| Answer» E. None of the above | |
| 2370. |
Everything computer does is controlled by its |
| A. | RAM |
| B. | ROM |
| C. | CPU |
| D. | Storage devices |
| E. | None of the above |
| Answer» D. Storage devices | |
| 2371. |
Which of the following is a non-impact printer? |
| A. | Daisy wheel printer |
| B. | Drum printer |
| C. | Laser printer |
| D. | All of the above |
| E. | None of the above |
| Answer» D. All of the above | |
| 2372. |
In virtual storage, program segments stored on disk during processing are called: |
| A. | tracks |
| B. | blocks |
| C. | pages |
| D. | sectors |
| E. | None of the above |
| Answer» D. sectors | |
| 2373. |
CD-ROM is a |
| A. | Semiconductor memory |
| B. | Memory register |
| C. | Magnetic memory |
| D. | All of the above |
| E. | None of the above |
| Answer» F. | |
| 2374. |
A modern digital computer has |
| A. | extremely high speed |
| B. | large memory |
| C. | almost unlimited accuracy |
| D. | All of the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 2375. |
Data System management has long-term viability as a separate business function because |
| A. | It requires much technical knowledge |
| B. | It requires large investments |
| C. | Specialists in data systems cannot be integrated into a marketing or manufacturing organization |
| D. | An integrated database accessible to all requires independent management |
| E. | None of the above |
| Answer» E. None of the above | |
| 2376. |
The disk concept for reducing time lost from rotational delay is: |
| A. | fixed block addressing |
| B. | cylinder, track, sector data |
| C. | staggered addressing |
| D. | graduated block identification |
| E. | None of the above |
| Answer» D. graduated block identification | |
| 2377. |
What is meant by computer literacy? |
| A. | Knowing what a computer can and cannot do |
| B. | Ability to write computer programs |
| C. | Knowing computer related vocabulary |
| D. | Ability to assemble computers |
| E. | None of the above |
| Answer» B. Ability to write computer programs | |
| 2378. |
The first movie with terrific computer animation and graphics was released in 1982. What was its name? |
| A. | Star Wars |
| B. | Tron |
| C. | Forbidden Planet |
| D. | Dark Star |
| E. | None of the above |
| Answer» C. Forbidden Planet | |
| 2379. |
Which of the following isn't used in the storage phase of a computer-based information system? |
| A. | Magnetic |
| B. | Keyboard |
| C. | Diskette |
| D. | Hard disk |
| E. | None of the above |
| Answer» C. Diskette | |
| 2380. |
While buying a PC system, you should first |
| A. | shop for application programs |
| B. | identify your hardware components |
| C. | define your computing needs |
| D. | call for tenders |
| E. | None of the above |
| Answer» D. call for tenders | |
| 2381. |
Which of the following statements best describes the batch method of input? |
| A. | Data is processed as soon as it is input |
| B. | Data is input at the time it is collected |
| C. | Data is collected in the form of source documents, placed into groups, and then input to the computer |
| D. | Source documents aren't used |
| E. | None of the above |
| Answer» D. Source documents aren't used | |
| 2382. |
What is the name of the memory card which is conceptually related to the smart card but is similar to the video disk? |
| A. | Laser card |
| B. | Master card |
| C. | Visa |
| D. | Optical card |
| E. | None of the above |
| Answer» B. Master card | |
| 2383. |
In 1830, Charles Babbage disigned a machine called the Analytical Engine which he showed at the Paris Exhibition. In which year was it exhibited? |
| A. | 1820 |
| B. | 1860 |
| C. | 1855 |
| D. | 1870 |
| E. | None of the above |
| Answer» D. 1870 | |
| 2384. |
Which of the following is used to check for errors in RAM chips? |
| A. | ROM chip |
| B. | Microprocessor chip |
| C. | Parity chip |
| D. | EPROM chip |
| E. | None of the above |
| Answer» D. EPROM chip | |
| 2385. |
The binary equivalent of the Hexadecimal number 7BD is |
| A. | 11110111101 |
| B. | 111010111101 |
| C. | 101110111101 |
| D. | All of the above |
| E. | None of the above |
| Answer» B. 111010111101 | |
| 2386. |
Which of the following is non-impact printer? |
| A. | Drum printer |
| B. | Line printer |
| C. | Chain printer |
| D. | Laser printer |
| E. | None of the above |
| Answer» E. None of the above | |
| 2387. |
In which year was the PC voted 'The Machine of the Year's by the American Time magazine? |
| A. | 1970 |
| B. | 1975 |
| C. | 1983 |
| D. | 1987 |
| E. | None of the above |
| Answer» D. 1987 | |
| 2388. |
When used with I/O devices, the term intelligent implies |
| A. | a color output capability |
| B. | speech processing capability |
| C. | high speed printing capability |
| D. | feature to support offline and online tasks |
| E. | None of the above |
| Answer» E. None of the above | |
| 2389. |
A prefix for billion which is equal to _____ is called as billi. |
| A. | 100 |
| B. | 10000 |
| C. | 1000 |
| D. | 10 |
| E. | None of the above |
| Answer» E. None of the above | |
| 2390. |
In the IBM PC-AT, what do the words AT stand for? |
| A. | Additional terminals |
| B. | Advance technology |
| C. | Applied technology |
| D. | Advanced terminology |
| E. | None of the above |
| Answer» C. Applied technology | |
| 2391. |
The punched card used in the IBM System/3 contains |
| A. | 80 columns |
| B. | 120 columns |
| C. | 96 columns |
| D. | 126 columns |
| E. | None of the above |
| Answer» D. 126 columns | |
| 2392. |
Which of the following is associated with networks? |
| A. | Download, node |
| B. | Star topology |
| C. | Point-to-Point |
| D. | Both (a) and (b) |
| E. | None of the above |
| Answer» E. None of the above | |
| 2393. |
The primary advantage of key-to-tape data-entry systems is: |
| A. | A large percentage of editing can be performed at the time of data entry |
| B. | Key verification is easily performed |
| C. | The tape is reusable |
| D. | Keying errors can be detected as they occur |
| E. | All of the above |
| Answer» D. Keying errors can be detected as they occur | |
| 2394. |
An advantage of overlapped processing activities is: |
| A. | more effective use of the CPU |
| B. | increased processing activities for the entire system |
| C. | better coordination of I/O activities |
| D. | all the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 2395. |
Primary storage is _____as compared to secondary storage. |
| A. | Slow and inexpensive |
| B. | Fast and inexpensive |
| C. | Fast and expensive |
| D. | Slow and expensive |
| E. | None of the above |
| Answer» D. Slow and expensive | |
| 2396. |
If the processor of a computer does not have a direct and unassisted access to data items, these items are said to be |
| A. | offline |
| B. | remote |
| C. | disconnected |
| D. | detached |
| E. | None of the above |
| Answer» B. remote | |
| 2397. |
An input/output device at which data enters or leaves a computer system is |
| A. | Keyboard |
| B. | Terminal |
| C. | Printer |
| D. | Plotter |
| E. | None of the above |
| Answer» C. Printer | |
| 2398. |
The fastest type of memory from the following list is |
| A. | tape |
| B. | semiconductor memory |
| C. | disk |
| D. | bubble memory |
| E. | None of the above |
| Answer» C. disk | |
| 2399. |
Which of the following is a secondary memory device? |
| A. | Keyboard |
| B. | Disk |
| C. | ALU |
| D. | All of the above |
| E. | None of the above |
| Answer» C. ALU | |
| 2400. |
The register which keeps track of the execution of a program and which contains the memory address of the instruction currently being executed is known as |
| A. | Index register |
| B. | Memory address register |
| C. | Program counter |
| D. | Instruction register |
| E. | None of the above |
| Answer» D. Instruction register | |