McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Common Topics in Competitive and Entrance exams , Union Public Service Commission (UPSC) , Indian Administrative Service (IAS) .
| 401. |
A system which allows interaction between man and machine via some terminal device is |
| A. | batch mode |
| B. | interactive |
| C. | real time |
| D. | time sharing |
| E. | None of these |
| Answer» B. interactive | |
| 402. |
A computer midway between a micro and a main frame in size is |
| A. | super computer |
| B. | micro computer |
| C. | mini computer |
| D. | KIPS |
| E. | None of these |
| Answer» C. mini computer | |
| 403. |
The capacity of a machine to perform tasks, normally requiring human intelligence, is |
| A. | KIPS |
| B. | artificial |
| C. | super computer |
| D. | micro computer |
| E. | None of these |
| Answer» B. artificial | |
| 404. |
A Group of integrated parts is called |
| A. | system |
| B. | swapping |
| C. | circuits |
| D. | system analysis |
| E. | None of these |
| Answer» A. system | |
| 405. |
A third and last component of CPU is |
| A. | ALU |
| B. | supervisory-control unit |
| C. | input device |
| D. | register unit |
| E. | None of these |
| Answer» B. supervisory-control unit | |
| 406. |
The digital computer was developed primarily in |
| A. | USSR |
| B. | Japan |
| C. | USA |
| D. | UK |
| E. | None of these |
| Answer» C. USA | |
| 407. |
Who is credited with the idea of using punch cards to control patterns in a weaving machine? |
| A. | Pascal |
| B. | Hollerith |
| C. | Babbage |
| D. | Jackquard |
| E. | None of these |
| Answer» D. Jackquard | |
| 408. |
Most of the inexpensive personal computers do not have any disk or diskette drive. What is the name of such computers? |
| A. | Home computers |
| B. | Diskless computers |
| C. | Dedicated computers |
| D. | General-purpose computers |
| E. | None of these |
| Answer» A. Home computers | |
| 409. |
Which of the following require large computer memory? |
| A. | Imaging |
| B. | Graphics |
| C. | Voice |
| D. | All of these |
| E. | None of these |
| Answer» D. All of these | |
| 410. |
The process of starting or restarting a computer system by loading instructions from a secondary storage device into the computer memory is called |
| A. | duping |
| B. | booting |
| C. | padding |
| D. | All of these |
| E. | None of these |
| Answer» B. booting | |
| 411. |
Who invented the microprocessor? |
| A. | Mercian E Huff |
| B. | Herman H Goldstein |
| C. | Joseph Jucquard |
| D. | All of these |
| E. | None of these |
| Answer» A. Mercian E Huff | |
| 412. |
The accuracy of the floating point numbers representable in two 16 bit words of a computer is approximately |
| A. | 16 digits |
| B. | 6 digits |
| C. | 4 digits |
| D. | All of these |
| E. | None of these |
| Answer» B. 6 digits | |
| 413. |
A characteristic of card system is |
| A. | slowness in processing data |
| B. | using cards as records of transactions |
| C. | needing a larger DP staff |
| D. | All of these |
| E. | None of these |
| Answer» D. All of these | |
| 414. |
A digital computer did not score over an analog computer in terms of |
| A. | speed |
| B. | accuracy |
| C. | cost |
| D. | memory |
| E. | None of these |
| Answer» C. cost | |
| 415. |
In analog computer |
| A. | Input is first converted to digital form |
| B. | Input is never converted to digital form |
| C. | output is displayed in digital form |
| D. | All of these |
| E. | None of these |
| Answer» B. Input is never converted to digital form | |
| 416. |
In latest generation computers, the instructions are executed |
| A. | parallel only |
| B. | sequentially only |
| C. | both sequentially and parallel |
| D. | All of these |
| E. | None of these |
| Answer» C. both sequentially and parallel | |
| 417. |
Personnel who design, program, operate and maintain computer equipment refers to |
| A. | console-operator |
| B. | programmer |
| C. | peopleware |
| D. | System Analyst |
| E. | None of these |
| Answer» C. peopleware | |
| 418. |
An error in software or hardware is called a bug. What is the alternative computer jargon for it? |
| A. | Leech |
| B. | Squid |
| C. | Slug |
| D. | Glitch |
| E. | None of these |
| Answer» D. Glitch | |
| 419. |
Modern computers are very reliable but they are not |
| A. | fast |
| B. | powerful |
| C. | infallible |
| D. | cheap |
| E. | None of these |
| Answer» C. infallible | |
| 420. |
What is the name of the display feature that highlights areas of the screen which require operator attention? |
| A. | Pixel |
| B. | Reverse video |
| C. | Touch screen |
| D. | Cursor |
| E. | None of these |
| Answer» B. Reverse video | |
| 421. |
Which printer is very commonly used for desk-top publishing? |
| A. | Laser printer |
| B. | Inkjet Printer |
| C. | Daisywheel Printer |
| D. | Dot-matrix Printer |
| E. | None of these |
| Answer» A. Laser printer | |
| 422. |
Which of the following is classified as an impact printer? |
| A. | Jet Printer |
| B. | Daisywheel Printer |
| C. | Thermal Printer |
| D. | Laser Printer |
| E. | None of these |
| Answer» B. Daisywheel Printer | |
| 423. |
What is the general name of the device which produces hardcopy graphics? |
| A. | COM |
| B. | Plotter |
| C. | Printer |
| D. | Microfilm |
| E. | None of these |
| Answer» B. Plotter | |
| 424. |
In a computer system, which device is functionally opposite of a Key-board? |
| A. | Mouse |
| B. | Trackball |
| C. | Printer |
| D. | Joystick |
| E. | None of these |
| Answer» C. Printer | |
| 425. |
The equipment with which the computer talks to its users is called a |
| A. | word processor |
| B. | peripheral |
| C. | software |
| D. | diskette |
| E. | None of these |
| Answer» B. peripheral | |
| 426. |
Touchpads are particularly popular with microcomputer users who cannot |
| A. | read |
| B. | type |
| C. | see |
| D. | hear |
| E. | None of these |
| Answer» B. type | |
| 427. |
A trackball is manipulated by |
| A. | palm |
| B. | foot |
| C. | fingers |
| D. | sound |
| E. | None of these |
| Answer» A. palm | |
| 428. |
The function of CPU is |
| A. | to provide a hard copy |
| B. | to read, interpret and process the information and instruction |
| C. | to communicate with the operator |
| D. | to provide external storage of text |
| E. | None of these |
| Answer» B. to read, interpret and process the information and instruction | |
| 429. |
Which one of the following is termed a combination input-output device? |
| A. | VDT |
| B. | Keyboard |
| C. | Printer |
| D. | Laser Jet |
| E. | None of these |
| Answer» A. VDT | |
| 430. |
The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device? |
| A. | Laser Scanner |
| B. | Wand |
| C. | OCR |
| D. | MICR |
| E. | None of these |
| Answer» A. Laser Scanner | |
| 431. |
The optical technique that uses lasers is |
| A. | photodigital storage |
| B. | EBAM storage |
| C. | CCD storage |
| D. | cryogenic storage |
| E. | None of these |
| Answer» A. photodigital storage | |
| 432. |
The disadvantages of a direct access file is |
| A. | the delay in computing the storage address |
| B. | duplication of address locations |
| C. | unused, hut available, storage locations |
| D. | All of these |
| E. | None of these |
| Answer» D. All of these | |
| 433. |
A complete set of programs for one specific data processing application is called |
| A. | utility application |
| B. | canned program |
| C. | program package |
| D. | both (b) and (c) |
| E. | None of these |
| Answer» C. program package | |
| 434. |
A computer-controlled device for training exercises that duplicates the work environment is a |
| A. | simulator |
| B. | duplicator |
| C. | trainer |
| D. | COM device |
| E. | None of these |
| Answer» A. simulator | |
| 435. |
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 of these |
| E. | None of these |
| Answer» D. All of these | |
| 436. |
The terminal device often used in checking charge cards that offers both a limited keyboard input and visual output is the |
| A. | intelligent terminal |
| B. | POS terminal |
| C. | video display terminal |
| D. | audio response unit |
| E. | None of these |
| Answer» C. video display terminal | |
| 437. |
The mechanical diskette drive in which you insert your diskette is connected to the computer’s bus |
| A. | Data |
| B. | Communication |
| C. | Address |
| D. | Parallel |
| E. | None of these |
| Answer» B. Communication | |
| 438. |
The number of tracks on a 1/2 inch wide magnetic tape is |
| A. | 1 |
| B. | 9 |
| C. | 18 |
| D. | either bare |
| E. | None of these |
| Answer» D. either bare | |
| 439. |
What is the most common speed in rpm at which the hard disks usually rotate? |
| A. | 2400 |
| B. | 3600 |
| C. | 4700 |
| D. | 1600 |
| E. | None of these |
| Answer» B. 3600 | |
| 440. |
Disk units that use unremovable platters are called |
| A. | unremovable disks |
| B. | hard disks |
| C. | sealed disks |
| D. | high-density disks |
| E. | None of these |
| Answer» B. hard disks | |
| 441. |
Before you stored anything on a disk, it has to be |
| A. | cleansed |
| B. | formatted |
| C. | initialized |
| D. | either (a) or (b) |
| E. | None of these |
| Answer» B. formatted | |
| 442. |
What is the name of the screen pointing device that rolls on bearings and has one or more buttons on its top? |
| A. | Track ball |
| B. | Mouse |
| C. | Light pen |
| D. | Joy-stick |
| E. | None of these |
| Answer» B. Mouse | |
| 443. |
Character readers are those devices which read the characters printed on the source documents and then convert them directly into computer-usable input. |
| A. | OCR |
| B. | MICR |
| C. | OMR |
| D. | LCD |
| E. | None of these |
| Answer» D. LCD | |
| 444. |
All calculations are performed and all comparisons are made in unit |
| A. | control unit |
| B. | arithmetic-logic unit |
| C. | central processing unit |
| D. | primary storage unit |
| E. | None of these |
| Answer» A. control unit | |
| 445. |
A certain computer hardware component does not process the data itself but acts as a central nervous system for other data manipulating components. What is it called? |
| A. | ALU |
| B. | RAM |
| C. | Control Unit |
| D. | Secondary storage |
| E. | None of these |
| Answer» C. Control Unit | |
| 446. |
A logic is an electronic circuit which |
| A. | makes logic decisions |
| B. | allows electron flow only in one direction |
| C. | works on binary algebra |
| D. | works on float numbers |
| E. | None of these |
| Answer» A. makes logic decisions | |
| 447. |
A code used for standardizing the storage and transfer of information amongst various computing devices is called |
| A. | CRT |
| B. | CPU |
| C. | ASCII |
| D. | Dvorak |
| E. | None of these |
| Answer» C. ASCII | |
| 448. |
As compared to a magnetic tape, the main advantage of magnetic disk is its |
| A. | rigidity |
| B. | direct access |
| C. | low cost |
| D. | high packing density |
| E. | None of these |
| Answer» B. direct access | |
| 449. |
What is the size of the optical compact disk which is used for recording high quality music? |
| A. | 4.7 inch |
| B. | 3.5 inch |
| C. | 5.5 inch |
| D. | 8.7 inch |
| E. | None of these |
| Answer» A. 4.7 inch | |
| 450. |
Why do magnetic tape drives for minicomputers use vacuum columns? |
| A. | For quick acceleration and deacceleration of the tape |
| B. | For immediate starting and stopping of the tape |
| C. | To avoid stress in the tape |
| D. | To provide extra tape length |
| E. | None of these |
| Answer» C. To avoid stress in the tape | |
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