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) .
| 51. |
The hexadecimal number system has a base of |
| A. | 2 |
| B. | 4 |
| C. | 8 |
| D. | 16 |
| Answer» D. 16 | |
| 52. |
The use of parity bit is for |
| A. | coding |
| B. | indexing |
| C. | error-detection |
| D. | none of these |
| Answer» C. error-detection | |
| 53. |
The following are basic types of record- access methods |
| A. | sequential and random |
| B. | direct and immediate |
| C. | sequential and indexed |
| D. | on-line and real-time |
| Answer» A. sequential and random | |
| 54. |
Which of the following is input/output device? |
| A. | monitors |
| B. | punched cards |
| C. | optical scanners |
| D. | all the above |
| Answer» D. all the above | |
| 55. |
The following magazine covers only the IBM PC and its compatibles |
| A. | Byte |
| B. | PC Magazine |
| C. | Personal Computing |
| D. | Interface Age |
| Answer» B. PC Magazine | |
| 56. |
The word size of a microprocessor refers to: |
| A. | the number of machine operations performed/ second |
| B. | the amount of information that can be stored / cycle |
| C. | the amount of information that can be stored in bytes |
| D. | none of these |
| Answer» B. the amount of information that can be stored / cycle | |
| 57. |
The primary memory of a personal computer consists |
| A. | ROM only |
| B. | RAM only |
| C. | Both ROM and RAM |
| D. | Memory module |
| Answer» C. Both ROM and RAM | |
| 58. |
Microsoft Excel is |
| A. | financial planning package |
| B. | electronic spreadsheet |
| C. | graphics package |
| D. | data-base management package |
| Answer» B. electronic spreadsheet | |
| 59. |
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» A. typematic key | |
| 60. |
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» B. spider network | |
| 61. |
Communications device, combines transmissions from several devices into on line is |
| A. | concentrator |
| B. | modifier |
| C. | multiplexer |
| D. | full-duplex line |
| Answer» C. multiplexer | |
| 62. |
Data communications involving telegraph lines uses |
| A. | simplex lines |
| B. | wideband channels |
| C. | narrowband channels |
| D. | dialed service |
| Answer» C. narrowband channels | |
| 63. |
An advantage of the laser printer respect to impact printer is |
| A. | it is quieter/ faster |
| B. | output is of a high quality |
| C. | support wide range of type fonts |
| D. | all the above |
| Answer» D. all the above | |
| 64. |
Data entry can be performed with all of the following except |
| A. | OCR / OMR |
| B. | COM |
| C. | Voice-recognition systems |
| D. | MICR |
| Answer» B. COM | |
| 65. |
Magnetic tape can serve as |
| A. | input media |
| B. | output media |
| C. | secondary-storage media |
| D. | all the above |
| Answer» D. all the above | |
| 66. |
The advantages of COM are its and . |
| A. | compact size; readability |
| B. | compact size; speed |
| C. | readability; speed |
| D. | compact size; low cost |
| Answer» B. compact size; speed | |
| 67. |
Elementary data item are |
| A. | data item which is not broken down into smaller units |
| B. | data item that can be broken down into smaller units |
| C. | data item which is not decomposed into smaller units |
| D. | none of these |
| Answer» A. data item which is not broken down into smaller units | |
| 68. |
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» A. EPROM | |
| 69. |
Extended ASCII uses |
| A. | 8 bits for coding |
| B. | 9 bits for coding |
| C. | 10 bits for coding |
| D. | 11 bits for coding |
| Answer» A. 8 bits for coding | |
| 70. |
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» A. Facsimile (FAX) | |
| 71. |
A data transmission medium made of tiny threads of glass or plastic that can transmit huge amount of information at the speed of light is |
| A. | Fiber optic cable |
| B. | Copper cable |
| C. | Twisted wire cable |
| D. | None of these |
| Answer» A. Fiber optic cable | |
| 72. |
A method of using a communication channel in which signals can be transmitted between a source and a destination in both directions simultaneously is called |
| A. | Full duplex |
| B. | Half duplex |
| C. | Quarter duplex |
| D. | None of these |
| Answer» A. Full duplex | |
| 73. |
A sequential electronic circuit which can be placed 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» C. Flip-flop | |
| 74. |
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» B. Firmware | |
| 75. |
Anonymous FTP is the |
| A. | Internet file transfer protocol |
| B. | Protocol that requires password |
| C. | None access files |
| D. | None of these |
| Answer» A. Internet file transfer protocol | |
| 76. |
EFF sites allows anonymous FTP that |
| A. | Do not require a password or access |
| B. | Requires password or access |
| C. | Is a none access file |
| D. | None of these |
| Answer» A. Do not require a password or access | |
| 77. |
ANSI is |
| A. | American National Standards Institute |
| B. | A USA based national organization that establishes uniform standards in several fields of computers. |
| C. | Both A & B are true |
| D. | None is true |
| Answer» C. Both A & B are true | |
| 78. |
APL is |
| A. | A high level language for specifying complex algorithms. |
| B. | A real-time language primarily for scientific applications. |
| C. | Only A is true |
| D. | Both A & B are true |
| Answer» D. Both A & B are true | |
| 79. |
The overall design, construction, organiza- tion and interconnecting of the various components of a computer system is referred as |
| A. | Computer Architecture |
| B. | Computer Flow chart |
| C. | Computer Algorithm |
| D. | None of these |
| Answer» A. Computer Architecture | |
| 80. |
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» A. Communication between independently operating units | |
| 81. |
Audio response is |
| A. | output medium |
| B. | produces verbal responses from the computer system |
| C. | Both A & B true |
| D. | None is true |
| Answer» C. Both A & B true | |
| 82. |
Automated Office refers to the merger of in an office environment. |
| A. | Computers |
| B. | office |
| C. | telecommunications |
| D. | All the above |
| Answer» D. All the above | |
| 83. |
Auxiliary storage is |
| A. | Secondary storage |
| B. | Primary storage |
| C. | Processing device |
| D. | None of these |
| Answer» A. Secondary storage | |
| 84. |
Archive is |
| A. | Backup storage |
| B. | Forward operation |
| C. | Primary storage |
| D. | None of these |
| Answer» A. Backup storage | |
| 85. |
A branch of computer science that deals with computers that possess reasoning, learning and thinking capabilities that resemble those of human beings is recognized as? |
| A. | Software engineering |
| B. | Artificial intelligence |
| C. | Hardware engineering |
| D. | None of these |
| Answer» B. Artificial intelligence | |
| 86. |
ASCII is |
| A. | A standard coding system for computers |
| B. | Hardware device |
| C. | Software |
| D. | None of these |
| Answer» A. A standard coding system for computers | |
| 87. |
Following is true for Bandwidth |
| A. | The wider the bandwidth of a communications system the more data it can transmit in a given period of time. |
| B. | The narrow the bandwidth of a communications system the more data it can transmit in a given period of time. |
| C. | The wider the bandwidth of a communications system the less data it can transmit in a given period of time. |
| D. | None is true |
| Answer» A. The wider the bandwidth of a communications system the more data it can transmit in a given period of time. | |
| 88. |
ASCII-8 is |
| A. | An extended version of ASCIl-7 |
| B. | Is a 8-bit code |
| C. | Both A & B are true |
| D. | Both A & B are false |
| Answer» A. An extended version of ASCIl-7 | |
| 89. |
ASCII File is |
| A. | document file in the universally recognized text format |
| B. | Word processor |
| C. | System file |
| D. | None of these |
| Answer» A. document file in the universally recognized text format | |
| 90. |
A program that translates mnemonic statements into executable instructions is referred as |
| A. | Software |
| B. | Assembler |
| C. | Translator |
| D. | None of these |
| Answer» B. Assembler | |
| 91. |
An assembler is a |
| A. | Translator |
| B. | Hardware |
| C. | Assembly language |
| D. | None of these |
| Answer» A. Translator | |
| 92. |
In a disk system time required for a read/ write head to move to the track where the record to be read or written is stored is |
| A. | Access time |
| B. | Random time |
| C. | Response time |
| D. | Seek time |
| Answer» D. Seek time | |
| 93. |
Computer output which is displayed on the screen of a terminal without a permanent copy is called |
| A. | Soft copy |
| B. | Hard copy |
| C. | Hardware |
| D. | None of these |
| Answer» A. Soft copy | |
| 94. |
A storage device or medium where the access time is dependent upon the location of the data is called |
| A. | Serial access |
| B. | Parallel access |
| C. | Null access |
| D. | None of these |
| Answer» A. Serial access | |
| 95. |
The set of computer programs, procedures, and associated documentation related to the effective operation of a computer system is referred as |
| A. | Software |
| B. | Hardware |
| C. | Hardcopy |
| D. | Softcopy |
| Answer» A. Software | |
| 96. |
An adder in which the bits of the operands are added one after another is called |
| A. | Serial adder |
| B. | Parallel adder |
| C. | Full adder |
| D. | Half adder |
| Answer» A. Serial adder | |
| 97. |
A method of providing virtual memory |
| A. | Segmentation |
| B. | De-fragmentation |
| C. | Paging |
| D. | None of these |
| Answer» A. Segmentation | |
| 98. |
Transmission of data in one direction is called |
| A. | Simplex |
| B. | Duplex |
| C. | Triplex |
| D. | None of these |
| Answer» A. Simplex | |
| 99. |
SNOBOL is |
| A. | string oriented symbolic language |
| B. | high-level language |
| C. | both A & B |
| D. | None of these |
| Answer» C. both A & B | |
| 100. |
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» A. Ability to input data directly into a computer system by speaking to it | |
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