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MCQOPTIONS
This section includes 224 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
One of the early coding systems, based on the idea of converting each digit of a decimal number into its binary equivalent rather than converting the entire decimal value into a pure binary form is |
| A. | ASCII code |
| B. | BCD |
| C. | ASCIl-8 |
| D. | None of these |
| Answer» C. ASCIl-8 | |
| 52. |
A selection, choice, or condition involving two possibilities is referred as |
| A. | Unary |
| B. | Binary |
| C. | Octal |
| D. | None of these |
| Answer» C. Octal | |
| 53. |
BISYNC is an abbreviation for |
| A. | Binary Input/Binary Output |
| B. | Binary synchronous |
| C. | Binary digit |
| D. | None of these |
| Answer» B. Binary synchronous | |
| 54. |
Which of the following is input/output device? |
| A. | monitors |
| B. | punched cards |
| C. | optical scanners |
| D. | all the above |
| Answer» E. | |
| 55. |
The checking operation performed on input is called |
| A. | validation of data |
| B. | verification of data |
| C. | vilification of data |
| D. | control of data |
| Answer» B. verification of data | |
| 56. |
Diskette is a |
| A. | A low-cost, thin flexible magnetic disk storage device |
| B. | High volume storage device |
| C. | Primary storage device |
| D. | None of these |
| Answer» B. High volume storage device | |
| 57. |
Which of the following terms applies to communication between two computer systems? |
| A. | computer literacy |
| B. | power supply |
| C. | applications software |
| D. | connectivity |
| Answer» E. | |
| 58. |
A semiconductor memory which allows the eraser of the information stared in it so that new information can be stared in it is referred as |
| A. | EPROM |
| B. | ROM |
| C. | RAM |
| D. | None of these |
| Answer» B. ROM | |
| 59. |
Storing programs on disk and then transferring these programs into main storage as and when they are needed. The technique is used to process large programs or several programs with limited memory is called |
| A. | Swapping |
| B. | Spooling |
| C. | Paging |
| D. | Segmentation |
| Answer» B. Spooling | |
| 60. |
CPU performs read/write operations at any point in time in |
| A. | ROM |
| B. | PROM |
| C. | EPROM |
| D. | RAM |
| Answer» D. RAM | |
| 61. |
An algebra that deals with logical propositions which are either true or false is referred as |
| A. | Boolean algebra |
| B. | Modern Algebra |
| C. | Abstract Algebra |
| D. | None of these |
| Answer» B. Modern Algebra | |
| 62. |
A device mounted on a communication satellite which receives, amplifies and retransmits signals’ from earth stations is called |
| A. | Terminator |
| B. | Connector |
| C. | Processor |
| D. | Transponder |
| Answer» E. | |
| 63. |
All the keys on the IBM PC keyboard repeat as long as one holds them down. These keys are known as |
| A. | typematic key |
| B. | functional keys |
| C. | automatic keys |
| D. | alphabetic keys |
| Answer» B. functional keys | |
| 64. |
Data entry can be performed with all of thefollowing except |
| A. | OCR / OMR |
| B. | COM |
| C. | Voice-recognition systems |
| D. | MICR |
| Answer» C. Voice-recognition systems | |
| 65. |
A sequential electronic circuit which can beplaced in one out of two stable states where each state may be used to represent a binary digit is stated as |
| A. | Integrated circuit |
| B. | Firmware |
| C. | Flip-flop |
| D. | None of these |
| Answer» D. None of these | |
| 66. |
A process of collecting, organizing, storingand otherwise maintaining a complete historical record of programs and other documents used or prepared during the different phases of the system is called |
| A. | Documentation |
| B. | Document reader |
| C. | Data process |
| D. | None of these |
| Answer» B. Document reader | |
| 67. |
A unit of a computer system that interpretsinstructions and executes them is known as |
| A. | Processor |
| B. | Storage |
| C. | Peripherals |
| D. | None of these |
| Answer» B. Storage | |
| 68. |
Following communications lines, best suitesto interactive processing applications |
| A. | narrowband channels |
| B. | simplex lines |
| C. | full-duplex lines |
| D. | mixed-band channels |
| Answer» D. mixed-band channels | |
| 69. |
Speech recognition is |
| A. | Ability to input data directly into a computer system by speaking to it |
| B. | Ability to output data directly from a computer system by speaking. |
| C. | Processing of voice in computer systems |
| D. | None of these |
| Answer» B. Ability to output data directly from a computer system by speaking. | |
| 70. |
The total time elapsed between submission of command and data to a computer and getting the result of computation is the |
| A. | Access time |
| B. | Response time |
| C. | Entrance time |
| D. | None of these |
| Answer» C. Entrance time | |
| 71. |
Asynchronous communication is |
| A. | Communication between independently operating units |
| B. | Communication between dependent operating units |
| C. | Communication between independent and dependent operating units |
| D. | None of these |
| Answer» B. Communication between dependent operating units | |
| 72. |
BISYNC is |
| A. | Binary synchronous |
| B. | A process of transmitting data |
| C. | A half-duplex, character-oriented, synchronous data communications transmission method |
| D. | All the above |
| Answer» E. | |
| 73. |
The ________ can be programmed one time by either the manufacturer or the computer user. Once programmed, it cannot be modified. |
| A. | RAM |
| B. | ROM |
| C. | PROM |
| D. | EPROM |
| Answer» D. EPROM | |
| 74. |
Console is |
| A. | A device that enables human operators to communicate with the computer |
| B. | A device that enables human operators not to communicate with the computer |
| C. | Communication between computers |
| D. | None of these |
| Answer» B. A device that enables human operators not to communicate with the computer | |
| 75. |
The use of parity bit is for |
| A. | coding |
| B. | indexing |
| C. | error-detection |
| D. | none of these |
| Answer» D. none of these | |
| 76. |
Following is not the operating system |
| A. | UNIX |
| B. | DOS |
| C. | WINDOWS |
| D. | BASIC |
| Answer» E. | |
| 77. |
Boolean variable assumes |
| A. | Values that are true only |
| B. | Values that are false only |
| C. | Values that are either true or false |
| D. | None of these |
| Answer» D. None of these | |
| 78. |
Diagnostic routines is a |
| A. | Programs used to print error messages |
| B. | Indicates system problems and improper program instructions. |
| C. | Both A & B are true |
| D. | None of these |
| Answer» D. None of these | |
| 79. |
Technique of placing software/programs in a ROM semiconductor chip is called |
| A. | PROM |
| B. | EPROM |
| C. | firm ware |
| D. | microprocessor |
| Answer» D. microprocessor | |
| 80. |
Disk operating system is referred for |
| A. | DOS |
| B. | Operating system which contains the disk-oriented commands and uses disk devices for permanent storage |
| C. | Both A & B |
| D. | None of these |
| Answer» D. None of these | |
| 81. |
A device used for transmission of images scanned at a transmitting point and duplicated at a receiving point is |
| A. | Facsimile (FAX) |
| B. | Telephone |
| C. | Photocopier |
| D. | None of these |
| Answer» B. Telephone | |
| 82. |
EDP is referred to |
| A. | Electronic Data Processing |
| B. | Data processing through equipment that is predominantly electronic such as digital computer |
| C. | Both A & B |
| D. | None of these |
| Answer» D. None of these | |
| 83. |
Transmission of data in one direction is called |
| A. | Simplex |
| B. | Duplex |
| C. | Triplex |
| D. | None of these |
| Answer» B. Duplex | |
| 84. |
A protocol that specifies how a personal computer can connect to a mail server on the Internet and download E-mail is known as |
| A. | Post office protocol |
| B. | System protocol |
| C. | Network protocol |
| D. | None of these |
| Answer» B. System protocol | |
| 85. |
Constant is a value written into a program instruction |
| A. | that does not change during the execution of the program |
| B. | that can change during the execution of the program |
| C. | that can vary during the execution of the program |
| D. | none of these |
| Answer» B. that can change during the execution of the program | |
| 86. |
Circuits that provide a communication path between two or more devices of a digital computer system is |
| A. | Car |
| B. | Bus |
| C. | Truck |
| D. | None of these |
| Answer» C. Truck | |
| 87. |
Cache memory |
| A. | Is a Static RAM |
| B. | Increases the speed of processing by making current programs and data available to the CPU at a rapid rate |
| C. | Both A & B are true |
| D. | Both A & B are false |
| Answer» D. Both A & B are false | |
| 88. |
Data communications involving telegraph lines uses |
| A. | simplex lines |
| B. | wideband channels |
| C. | narrowband channels |
| D. | dialed service |
| Answer» D. dialed service | |
| 89. |
The following magazine covers only the IBMPC and its compatibles |
| A. | Byte |
| B. | PC Magazine |
| C. | Personal Computing |
| D. | Interface Age |
| Answer» C. Personal Computing | |
| 90. |
A sequence of instruction (software) that is substituted for hardware and stored in read- only memory (ROM) is called |
| A. | Integrated circuit |
| B. | Firmware |
| C. | Flip-flop |
| D. | None of these |
| Answer» C. Flip-flop | |
| 91. |
A coding structure in which characters are represented by means of a series of parallel bars is |
| A. | Bar Code |
| B. | Menu bar |
| C. | Numeric bar |
| D. | None of these |
| Answer» B. Menu bar | |
| 92. |
Internet banking is an example of |
| A. | Electronic funds transfer (EFT) |
| B. | EDP (Electronic Data Processing ) |
| C. | EBCDIC |
| D. | ASCII |
| Answer» B. EDP (Electronic Data Processing ) | |
| 93. |
Emulator is a program that |
| A. | Permits one computer to execute the machine-language instructions of another computer of a different make |
| B. | Which is not broken down into smaller units |
| C. | Permits one computer to execute the machine-language instructions of another computer of same make. |
| D. | None of these |
| Answer» B. Which is not broken down into smaller units | |
| 94. |
ASCII is |
| A. | A standard coding system for computers |
| B. | Hardware device |
| C. | Software |
| D. | None of these |
| Answer» B. Hardware device | |
| 95. |
Anonymous FTP is the |
| A. | Internet file transfer protocol |
| B. | Protocol that requires password |
| C. | None access files |
| D. | None of these |
| Answer» B. Protocol that requires password | |
| 96. |
Comparing with secondary storage, primary storage is |
| A. | slow and inexpensive |
| B. | fast and inexpensive |
| C. | fast and expensive |
| D. | slow and expensive |
| Answer» D. slow and expensive | |
| 97. |
Following is true for the digital computer |
| A. | Information is in form of a string of binary digits |
| B. | It can be used as analog processor |
| C. | It is less accurate than the analog computer |
| D. | None of these. |
| Answer» B. It can be used as analog processor | |
| 98. |
Portability is program ability to run on |
| A. | dissimilar machines with minimum modification |
| B. | similar machines with maximum modification |
| C. | dissimilar machines with maximum modification |
| D. | similar machines with maximum modification |
| Answer» B. similar machines with maximum modification | |
| 99. |
BIOS is responsible for |
| A. | handling the particulars of input/output operations |
| B. | output operations |
| C. | input operations |
| D. | None of these |
| Answer» B. output operations | |
| 100. |
Distributed data processing configuration where all activities passes through a centrally located computer is |
| A. | ring network |
| B. | spider network |
| C. | hierarchical network |
| D. | data control network |
| Answer» C. hierarchical network | |