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) .
| 451. |
What is the name of the visible silver rectangle which separates the take-up portion of the magnetic tape from the data recording portion? |
| A. | Load maker |
| B. | Load marker |
| C. | Tape separator |
| D. | Tape marker |
| E. | None of these |
| Answer» A. Load maker | |
| 452. |
The data on the tracks on a magnetic disk are written as |
| A. | up or down |
| B. | tiny magnetic spots |
| C. | 0 or 1 |
| D. | high or low voltage |
| E. | None of these |
| Answer» B. tiny magnetic spots | |
| 453. |
Which memory is nonvolatile and may be written only once? |
| A. | RAM |
| B. | EE-ROM |
| C. | RAM |
| D. | PROM |
| E. | None of these |
| Answer» D. PROM | |
| 454. |
Which of the following statements is wrong? |
| A. | An EPROM can be programmed, erased and reprogrammed by the user with an EPROM programming instrument |
| B. | Magnetic tape is non volatile |
| C. | Magnetic core and semiconductor memories |
| D. | RAM is a type of volatile memory |
| E. | None of these |
| Answer» C. Magnetic core and semiconductor memories | |
| 455. |
For a memory system, the cycle time is |
| A. | same as the access time |
| B. | longer than the access time |
| C. | shorter than the access time |
| D. | submultiple of the access time |
| E. | None of these |
| Answer» B. longer than the access time | |
| 456. |
The process of fetching and executing instructions, one at a time, in the order of increasing addresses is known as |
| A. | instruction execution |
| B. | straight line sequencing |
| C. | instruction fetch |
| D. | random sequencing |
| E. | None of these |
| Answer» B. straight line sequencing | |
| 457. |
Non-volatility is an important advantage of |
| A. | CCD’s |
| B. | magnetic tapes and disks |
| C. | magnetic bubbles |
| D. | both (b) and (c) |
| E. | None of these |
| Answer» D. both (b) and (c) | |
| 458. |
The general range of speed in revolutions per minute (rpm) at which floppy disks rotate is |
| A. | 2400-4700 |
| B. | 390-600 |
| C. | 150-250 |
| D. | 300-600 |
| E. | None of these |
| Answer» C. 150-250 | |
| 459. |
Main memory contains |
| A. | data |
| B. | instructions |
| C. | both (a) and (b) |
| D. | either (a) and (b) |
| E. | None of these |
| Answer» C. both (a) and (b) | |
| 460. |
Two new types of semiconductor memories are |
| A. | magnetic disks |
| B. | charge-coupled devices |
| C. | magnetic bubble memory |
| D. | both (b) and (c) |
| E. | None of these |
| Answer» D. both (b) and (c) | |
| 461. |
The word ‘serial’ describes |
| A. | an inexpensive card reader that reads one column at a time |
| B. | a character-by-character transfer of data between an input/output or auxiliary storage unit and a channel |
| C. | is a serial communication physical interface through which information transfers in or out one bit at a time |
| D. | both (a) and (b) |
| E. | None of these |
| Answer» D. both (a) and (b) | |
| 462. |
The largest of the four conceptual areas of storage is likely to be the |
| A. | program area |
| B. | output area |
| C. | working area |
| D. | input area |
| E. | None of these |
| Answer» A. program area | |
| 463. |
In half-duplex data transmission |
| A. | data can be transmitted in one direction only |
| B. | data can be transmitted in both directions |
| C. | data can be transmitted in both directions simultaneously |
| D. | data cannot be transmitted |
| E. | None of these |
| Answer» B. data can be transmitted in both directions | |
| 464. |
A lever used to control the movement of a cursor on a video screen is |
| A. | keyboard |
| B. | Joy stick |
| C. | light pen |
| D. | plotter |
| E. | None of these |
| Answer» B. Joy stick | |
| 465. |
In synchronous transmission data from various users |
| A. | require header |
| B. | do not require header |
| C. | sometimes require header |
| D. | All of these |
| E. | None of these |
| Answer» B. do not require header | |
| 466. |
To set a register or counter to the all-zero- state is |
| A. | rerun |
| B. | reset |
| C. | remote |
| D. | release |
| E. | None of these |
| Answer» B. reset | |
| 467. |
A device for entering X-Y co-ordinates is known as |
| A. | card reader |
| B. | cassette tape |
| C. | multiplexer |
| D. | joystick |
| E. | None of these |
| Answer» D. joystick | |
| 468. |
Which of the following is still useful for adding numbers? |
| A. | EDSAC |
| B. | ENIAC |
| C. | Abacus |
| D. | UNIVAC |
| E. | None of these |
| Answer» C. Abacus | |
| 469. |
Which unit decodes information and present to the user? |
| A. | ALU |
| B. | Storage unit |
| C. | Output unit |
| D. | Control unit |
| E. | None of these |
| Answer» C. Output unit | |
| 470. |
Main storage is also called |
| A. | accumulator |
| B. | control unit |
| C. | register unit |
| D. | memory |
| E. | None of these |
| Answer» D. memory | |
| 471. |
Most important advantage of an IC is its |
| A. | easy replacement in case of circuit failure |
| B. | extremely high reliability |
| C. | reduced cost |
| D. | low power consumption |
| E. | None of these |
| Answer» B. extremely high reliability | |
| 472. |
The most popular language for interactive use is |
| A. | COBOL |
| B. | PASCAL |
| C. | BASIC |
| D. | FORTRAN |
| E. | None of these |
| Answer» C. BASIC | |
| 473. |
In which mode, each user has a local input/output device? |
| A. | Interactive |
| B. | Time sharing mode |
| C. | Batch processing mode |
| D. | All of these |
| E. | None of these |
| Answer» B. Time sharing mode | |
| 474. |
A standard tape recorder used to save or load computer information is known as |
| A. | magnetic tape |
| B. | cassette drive |
| C. | punched paper tape |
| D. | card punch |
| E. | None of these |
| Answer» B. cassette drive | |
| 475. |
Programs designed to perform specific tasks is known as |
| A. | system software |
| B. | application software |
| C. | utility programs |
| D. | operating system |
| E. | None of these |
| Answer» B. application software | |
| 476. |
Perforated paper used as input or output media is known as |
| A. | paper tape |
| B. | magnetic tape |
| C. | punched paper tape |
| D. | card punch |
| E. | None of these |
| Answer» A. paper tape | |
| 477. |
A computer with CPU speed around 100 million instructions per second and with the word length of around 64 bits is known as |
| A. | super computer |
| B. | mini computer |
| C. | mainframe computer |
| D. | micro computer |
| E. | None of these |
| Answer» A. super computer | |
| 478. |
An approach that permits the computer to work on several programs instead of one is |
| A. | on-line thesaurus |
| B. | multiprogramming |
| C. | overlapped processing |
| D. | outline processor |
| E. | None of these |
| Answer» C. overlapped processing | |
| 479. |
A directly accessible appointment calendar is a feature of a resident package. |
| A. | CPU |
| B. | Memory |
| C. | Buffer |
| D. | ALU |
| E. | None of these |
| Answer» B. Memory | |
| 480. |
The term gigabyte refers to |
| A. | 1024 bytes |
| B. | 1024 kilobytes |
| C. | 1024 megabytes |
| D. | 1024gigabytes |
| E. | None of these |
| Answer» C. 1024 megabytes | |
| 481. |
CAD stands for |
| A. | Computer Aided Design |
| B. | Computer Algorithm for Design |
| C. | Computer Application in Design |
| D. | All of these |
| E. | None of these |
| Answer» A. Computer Aided Design | |
| 482. |
In which language is a source program written? |
| A. | English |
| B. | Symbolic |
| C. | High-level |
| D. | Machine |
| E. | None of these |
| Answer» C. High-level | |
| 483. |
Which of the following terms is the most closely related to main memory? |
| A. | Non-volatile |
| B. | Permanent |
| C. | Control unit |
| D. | Temporary |
| E. | None of these |
| Answer» D. Temporary | |
| 484. |
Which of the following is used for manufacturing chips? |
| A. | Control bus |
| B. | Control unit |
| C. | Parity unit |
| D. | Semiconductor |
| E. | None of these |
| Answer» D. Semiconductor | |
| 485. |
Which of the following is required when more than one person uses a central computer at the same time? |
| A. | Terminal |
| B. | Light pen |
| C. | Digitizer |
| D. | Mouse |
| E. | None of these |
| Answer» A. Terminal | |
| 486. |
Who is considered the ‘father’ of the minicomputer and one of the founder fathers of the modem computer industry world-wide? |
| A. | George Tate |
| B. | Kenneth H. Olsen |
| C. | Seymour Cray |
| D. | Basic Pascal |
| E. | None of these |
| Answer» B. Kenneth H. Olsen | |
| 487. |
Multiprogramming was made possible by |
| A. | input/output units that operate independently of the CPU |
| B. | operating system |
| C. | both (a) and (b) |
| D. | neither (a) nor (b) |
| E. | None of these |
| Answer» C. both (a) and (b) | |
| 488. |
Network topology, consisting of nodes attached in a ring, without a host computer, is known as |
| A. | star |
| B. | ring |
| C. | bus |
| D. | tree |
| E. | None of these |
| Answer» B. ring | |
| 489. |
Which of the following terms does not describe a database structure used by a DBMS to link data from several files? |
| A. | Relational |
| B. | Structural |
| C. | Network |
| D. | All of these |
| E. | None of these |
| Answer» B. Structural | |
| 490. |
A communication protocol that converts noisy data links into communication channels free of transmission errors is known as |
| A. | data link protocol |
| B. | data link |
| C. | data medium |
| D. | data model |
| E. | None of these |
| Answer» A. data link protocol | |
| 491. |
Control of computer system or subsystem operation by an operator who may intervene at arbitrary times is |
| A. | manual control |
| B. | mapping |
| C. | shift register |
| D. | ALU |
| E. | None of these |
| Answer» A. manual control | |
| 492. |
A plastic card similar to a credit card but having some memory and a microprocessor embedded within it is |
| A. | punched paper tape |
| B. | chip card |
| C. | card punch |
| D. | magnetic tape |
| E. | None of these |
| Answer» B. chip card | |
| 493. |
A repository for data, usually covering specific topic is |
| A. | database |
| B. | data requisition |
| C. | databank |
| D. | data collection |
| E. | None of these |
| Answer» C. databank | |
| 494. |
An on-line backing storage system capable of storing larger quantities of data is |
| A. | CPU |
| B. | memory |
| C. | mass storage |
| D. | secondary storage |
| E. | None of these |
| Answer» C. mass storage | |
| 495. |
Which is an item of storage medium in the form of a circular plate? |
| A. | Disk |
| B. | CPU |
| C. | Printer |
| D. | ALU |
| E. | None of these |
| Answer» A. Disk | |
| 496. |
The progressing of two or more programs in parallel is |
| A. | concatenation |
| B. | data module |
| C. | concurrency |
| D. | colossus |
| E. | None of these |
| Answer» C. concurrency | |
| 497. |
Properly arranged data is called |
| A. | field |
| B. | words |
| C. | information |
| D. | file |
| E. | None of these |
| Answer» C. information | |
| 498. |
Which of the following is a list-processing high-level language? |
| A. | APL |
| B. | LISP |
| C. | PROLOG |
| D. | ADA |
| E. | None of these |
| Answer» B. LISP | |
| 499. |
The use of a computer to get information from a data bank is known as |
| A. | Information withdrawal |
| B. | Computer simulation |
| C. | information retrieval |
| D. | fall-tent searching |
| E. | None of these |
| Answer» C. information retrieval | |
| 500. |
Which of the following is a storage medium to copy stored data onto another? |
| A. | Drum |
| B. | Dump |
| C. | Critical path |
| D. | Cybernetics |
| E. | None of these |
| Answer» B. Dump | |
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