MCQOPTIONS
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MCQOPTIONS
This section includes 1088 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.
| 451. |
An input device that is able to interpret pencil marks on paper media is known as |
| A. | Magnetic disk |
| B. | Optical Mark Reader |
| C. | Card Puncher |
| D. | Magnetic tape |
| Answer» C. Card Puncher | |
| 452. |
The estimation of the value of a function at a point beyond the interval in which the data lies is called known as |
| A. | Interpolation |
| B. | Simulation |
| C. | Emulation |
| D. | Extra polation |
| Answer» B. Simulation | |
| 453. |
No computer can do anything without a |
| A. | program |
| B. | memory |
| C. | chip |
| D. | output device |
| Answer» B. memory | |
| 454. |
If you see a diskette with a piece of foil covering its notch, it is said to be |
| A. | write-protected |
| B. | copy-protected |
| C. | write-enabled |
| D. | foil-covered |
| Answer» B. copy-protected | |
| 455. |
Disketts and hard disks are |
| A. | Direct access devices |
| B. | Sequential access devices |
| C. | Slower than magnetic tape |
| D. | Used only in mainframe computers |
| Answer» B. Sequential access devices | |
| 456. |
Which was the first commercial computer built by M.V. Wilkies. |
| A. | Super computer |
| B. | LEO |
| C. | Mainframe |
| D. | Micro computer |
| Answer» C. Mainframe | |
| 457. |
Which of the following does not affect the resolution of a video display image? |
| A. | bandwidth |
| B. | raster scan rate |
| C. | vertical and horizontal lines of resolution |
| D. | screen size |
| Answer» E. | |
| 458. |
Which of the following is a machine for reading documents that are encoded in a way that is readable by person and machine. |
| A. | Document reader |
| B. | Distributed system |
| C. | Artificial intelligence |
| D. | Document sorter |
| Answer» B. Distributed system | |
| 459. |
Which of the following is directry controlled from a keyboard. |
| A. | Card punch |
| B. | Punched paper tape |
| C. | Magnetic disk |
| D. | Magnetic tape |
| Answer» B. Punched paper tape | |
| 460. |
Transmission and presentation of text and graphics is called |
| A. | Tele-text |
| B. | Network |
| C. | Telematique |
| D. | Video text |
| Answer» E. | |
| 461. |
A factor which might cause an individual to consider using a computer in criminal activities is: |
| A. | The computers access to large sums of money |
| B. | The speed with which the crime can be accomplished |
| C. | EFTS (Electronic Funds Transfer System) |
| D. | All the above |
| Answer» E. | |
| 462. |
The two main components of the CPU is |
| A. | Control unit and registers |
| B. | Control unit and ALU |
| C. | Registers and main memory |
| D. | ALU and bus |
| Answer» C. Registers and main memory | |
| 463. |
The light pen was developed in |
| A. | 1942 |
| B. | 1976 |
| C. | 1950 |
| D. | 1992 |
| Answer» D. 1992 | |
| 464. |
Punched cards are associated with the name |
| A. | Leibniz |
| B. | Jacquard |
| C. | Hollerith |
| D. | Pascal |
| Answer» D. Pascal | |
| 465. |
Which functional component of a computer is responsible for the computing? |
| A. | Input |
| B. | Output |
| C. | CPU |
| D. | Memory |
| Answer» D. Memory | |
| 466. |
The two basic types of record-access methods are: |
| A. | sequential and random |
| B. | sequential and indexed |
| C. | direct and immediate |
| D. | on-line and realtime |
| Answer» B. sequential and indexed | |
| 467. |
Which of the following is a data communication link that connects more than two stations, nodes etc |
| A. | Multipoint connection |
| B. | Multipoint line |
| C. | Multiple chain |
| D. | Multilinked |
| Answer» C. Multiple chain | |
| 468. |
The OCR stand for? |
| A. | Outsized character reader |
| B. | Optical character recognition |
| C. | Operational character reader |
| D. | Only character reader |
| Answer» C. Operational character reader | |
| 469. |
A register in which of the following that holds the current instruction while it is being executed is called instruction register. |
| A. | ALU |
| B. | CPU |
| C. | Memory |
| D. | Address |
| Answer» C. Memory | |
| 470. |
MODULA is a |
| A. | Programming language |
| B. | Low-level language |
| C. | Assembly language |
| D. | Machine language |
| Answer» B. Low-level language | |
| 471. |
A device that stores one item of information is |
| A. | Memory element |
| B. | Block Compaction |
| C. | MDR |
| D. | Memory guard |
| Answer» B. Block Compaction | |
| 472. |
A method for representing digital data analog signals by changing the phase of the analog carrier to represent the digital information is known as |
| A. | PIA |
| B. | PSK |
| C. | PM |
| D. | None of the above |
| Answer» C. PM | |
| 473. |
Sending data from one place to another, by physical or electronic means is |
| A. | |
| B. | Internet |
| C. | Data transmission |
| D. | Distributed processing. |
| Answer» D. Distributed processing. | |
| 474. |
Who invented the microprocessor? |
| A. | Marcian E Hoff |
| B. | Herman H Goldstein |
| C. | Joseph Jacquard |
| D. | All of the above |
| Answer» B. Herman H Goldstein | |
| 475. |
Which is part of a computer system, enables human operators to communicate with the computer. |
| A. | Console |
| B. | Keyboard |
| C. | Printer |
| D. | CPU |
| Answer» B. Keyboard | |
| 476. |
How many operations per second can perform by a modern fast mainframe digital computer. |
| A. | 1000 |
| B. | 100,000 |
| C. | 10,00,000 |
| D. | 1,00,00,00,000 |
| Answer» E. | |
| 477. |
Memories in which any location can be reached in a fixed (and short) amount of time after specifying its address is called |
| A. | sequential-access memory |
| B. | random-access memory |
| C. | secondary memory |
| D. | mass storage |
| Answer» C. secondary memory | |
| 478. |
Who launched IBM's First PC in 1981? |
| A. | Dean Cline |
| B. | C.B. Rogers Jr. |
| C. | John F. Akers |
| D. | David Svenson |
| Answer» C. John F. Akers | |
| 479. |
The physical equipment made oi various metals, silicon and plastic components that make up the parts of a computer is called |
| A. | micro |
| B. | peripheral |
| C. | hardware |
| D. | disk drive |
| Answer» D. disk drive | |
| 480. |
Conversion of an octal number 1068 to binary number is |
| A. | 11100102 |
| B. | 10001102 |
| C. | 11001102 |
| D. | 100001102 |
| Answer» C. 11001102 | |
| 481. |
What is the number of bits needed for an address in a 4 K memory? |
| A. | 16 |
| B. | 8 |
| C. | 12 |
| D. | 4 |
| Answer» D. 4 | |
| 482. |
A memory that contains a fine pattern of data permanently defined is |
| A. | RAM |
| B. | EPROM |
| C. | ROM |
| D. | PROM |
| Answer» D. PROM | |
| 483. |
A storage area used to store data to compensate for the difference in speed at which the different units can handle data is |
| A. | Memory |
| B. | Buffer |
| C. | Accumulator |
| D. | Address |
| Answer» C. Accumulator | |
| 484. |
Which part of computer performs functions similar to the cerebrums of the above cardiac and nervous system of a human body. |
| A. | ALU |
| B. | Input device |
| C. | CPU |
| D. | Control unit |
| Answer» D. Control unit | |
| 485. |
In computer terminology a compiler means |
| A. | a person who computes source programs |
| B. | the same thing as a programmer |
| C. | key punch operator |
| D. | a program which translates source program into object program |
| Answer» E. | |
| 486. |
In digital computer, all the expressions are coded into |
| A. | Octal digits |
| B. | Binary digits |
| C. | Hexadecimal digits |
| D. | Decimal cligits |
| Answer» C. Hexadecimal digits | |
| 487. |
The CPU is made up of control unit ALU and |
| A. | Memory |
| B. | Input-Output |
| C. | Register unit |
| D. | All of the above |
| Answer» B. Input-Output | |
| 488. |
A notation for defining the form and structure of data is known as |
| A. | Data description language |
| B. | Binary language |
| C. | Data channel |
| D. | Data definition language |
| Answer» E. | |
| 489. |
Which language has been selected as the basis for the Japanese "fifth generation" computers. |
| A. | ALGOL |
| B. | COBOL |
| C. | PROLOG |
| D. | None of the above |
| Answer» D. None of the above | |
| 490. |
In which of the following terminals the screen is regarded as an array of pixels, where each pixel is either on or off? |
| A. | Character map terminal |
| B. | Bit map terminal |
| C. | RS-232 C terminal |
| D. | All of the above |
| Answer» C. RS-232 C terminal | |
| 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 |
| Answer» B. Mapping | |
| 492. |
The data bus in 8080A/8085 microprocessor is a group of |
| A. | eight bidirectional lines that are used to transfer 8 bits between the microprocessor and its I/O and memory |
| B. | sixteen bidirectional lines that are used for data transfer between the microprocessor and memory |
| C. | eight unidirectional lines that are used for I/O devices |
| D. | eight lines used to transfer data among the registers |
| Answer» B. sixteen bidirectional lines that are used for data transfer between the microprocessor and memory | |
| 493. |
A file that includes an index directory to facilitate random access is |
| A. | Sequential file |
| B. | Indexed file |
| C. | Random file |
| D. | Serial file |
| Answer» C. Random file | |
| 494. |
A computer performs operations by comparing data items and then, depending on the results, follows predetermined course of action. What are such operations called? |
| A. | Sequential |
| B. | Logical |
| C. | Digital |
| D. | Physical |
| Answer» C. Digital | |
| 495. |
An output device that converts data from a binary format in main storage to coded hole patterns punched into a paper tape is |
| A. | Paper tape punch |
| B. | Punched paper tape |
| C. | Magnetic disk |
| D. | Magnetic tape. |
| Answer» B. Punched paper tape | |
| 496. |
A device that can accept data, hold them&deliver them on demand at a later time is known as |
| A. | Buffer |
| B. | Memory |
| C. | CPU |
| D. | Register |
| Answer» C. CPU | |
| 497. |
Which of the following is not used as secondary storage |
| A. | Semiconductor memory |
| B. | Magnetic disks |
| C. | Magnetic drums |
| D. | Magnetic tapes |
| Answer» B. Magnetic disks | |
| 498. |
Data systems for planning are often called |
| A. | decision analysis systems |
| B. | planning analysis systems |
| C. | decision support systems |
| D. | All of the above |
| Answer» D. All of the above | |
| 499. |
The proper definition of a modern digital computer is |
| A. | an electronic automated machine that can solve problems involving words and numbers |
| B. | a more sophisticated and modified electronic pocket calculator |
| C. | any machine that can perform mathematical operations |
| D. | a machine that works on binary code |
| Answer» B. a more sophisticated and modified electronic pocket calculator | |
| 500. |
A new technology which provides the ability to create an artificial world and have people interact with it is called |
| A. | televirtuality |
| B. | virtual reality |
| C. | alternative reality |
| D. | 3-D reality |
| Answer» C. alternative reality | |