MCQOPTIONS
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MCQOPTIONS
This section includes 223 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Q: Information travels between components on the mother board through |
| A. | Flash memory |
| B. | CMOS |
| C. | Bays |
| D. | Buses |
| Answer» D. Buses | |
| 52. |
Q: In a computer____ is capable to store a single binary bit? |
| A. | Register |
| B. | Conductor |
| C. | Capacitor |
| D. | Flip-Flop |
| Answer» E. | |
| 53. |
Q: IC chips used in computers are made? |
| A. | Chromium |
| B. | iron oxide |
| C. | Silver |
| D. | Silicon |
| Answer» E. | |
| 54. |
Q: How many bytes are equal to one kilobyte? |
| A. | 1050 |
| B. | 1000 |
| C. | 976 |
| D. | 1024 |
| Answer» E. | |
| 55. |
Q: How many bytes are 1 megabyte (MB)? |
| A. | 1024 KB |
| B. | 1024 MB |
| C. | 1024 GB |
| D. | 1024 TB |
| Answer» B. 1024 MB | |
| 56. |
Q: How many bytes are 1 kilobyte (KB)? |
| A. | 1024 bytes |
| B. | 1024 megabytes |
| C. | 1024 gigabytes |
| D. | None of these |
| Answer» B. 1024 megabytes | |
| 57. |
Q: …………… is the process of dividing the disk into tracks and sectors. |
| A. | Tracking |
| B. | Formatting |
| C. | Crashing |
| D. | Allotting |
| E. | None of these |
| Answer» C. Crashing | |
| 58. |
Q: FORMAT Command: |
| A. | Format should be left to the engineers to use |
| B. | Formats a disk to receive files |
| C. | Formats the CPU |
| D. | Formats floppy drives only |
| Answer» B. Formats a disk to receive files | |
| 59. |
Q: Excel files have a default extension of: |
| A. | .wki |
| B. | 0.123 |
| C. | .xls |
| D. | .xlw |
| Answer» D. .xlw | |
| 60. |
Q: Every HTML file is a______file. |
| A. | Audio |
| B. | Video |
| C. | Text |
| D. | Image |
| Answer» D. Image | |
| 61. |
Q: During processing data, programs, and processed information are held temporality in……. |
| A. | Secondary |
| B. | ROM |
| C. | RAM |
| D. | CPU |
| Answer» D. CPU | |
| 62. |
Q: CPU's ALU consists of? |
| A. | RAM space |
| B. | Register |
| C. | byte space |
| D. | All of these |
| Answer» C. byte space | |
| 63. |
Q: Computer virus is: |
| A. | Computer program |
| B. | Operating system |
| C. | Part of OS |
| D. | Part of Hardware |
| Answer» B. Operating system | |
| 64. |
Q: Computer use the____ language to process data. |
| A. | Binary |
| B. | Representational |
| C. | Processing |
| D. | Kilobyte |
| Answer» B. Representational | |
| 65. |
Q: Computer process data into information by working exclusively with: |
| A. | Characters |
| B. | Numbers |
| C. | Multimedia |
| D. | Words |
| Answer» C. Multimedia | |
| 66. |
Q: Compiler in computer system is a : |
| A. | Application Software |
| B. | Package |
| C. | System Software |
| D. | Process |
| Answer» D. Process | |
| 67. |
Q: Bootstrap program is a program that___ |
| A. | terminates the working of computer |
| B. | starts the computer working |
| C. | meddle part of computer |
| D. | Both ( 1 ) & ( 2 ) |
| Answer» C. meddle part of computer | |
| 68. |
Q: Blu-Ray technology is developed by: |
| A. | IBM |
| B. | Compaq |
| C. | Sony |
| D. | Apple |
| Answer» D. Apple | |
| 69. |
Q: Assembler is a program, which of the following is a modification of a program? |
| A. | Machine to low level |
| B. | Low level to high level |
| C. | From high level to assembling |
| D. | from assembling to machine |
| Answer» E. | |
| 70. |
Q: _____are the fastest and the most expensive computers. |
| A. | Super computers |
| B. | Laptop |
| C. | Micro computers |
| D. | Mini computers |
| Answer» B. Laptop | |
| 71. |
Q: Analytical Engine 'was made by: |
| A. | John McCarthy |
| B. | Alan Border |
| C. | John Von Neumann |
| D. | Charles Babbage |
| Answer» E. | |
| 72. |
Q: A process knows as______ is used by large retailers to study trends. |
| A. | POS |
| B. | Data Conversion |
| C. | Data Mining |
| D. | Data Selection |
| Answer» D. Data Selection | |
| 73. |
Q: A microprocessor is the brain of the computer and is also called a(n)……… |
| A. | Microchip |
| B. | Macrochip |
| C. | Macroprocessor |
| D. | Calculator |
| E. | Software |
| Answer» B. Macrochip | |
| 74. |
Q: A hardware device that converts data to full information? |
| A. | processor |
| B. | input device |
| C. | Program |
| D. | Protector |
| Answer» B. input device | |
| 75. |
Compilers and interpreters are themselves |
| A. | High-level language |
| B. | Codes |
| C. | Programs |
| D. | Mnemonics |
| Answer» D. Mnemonics | |
| 76. |
A high speed device used in CPU for temporary storage during processing is called |
| A. | A register |
| B. | A bus |
| C. | A databus |
| D. | All of the above |
| Answer» B. A bus | |
| 77. |
When did arch rivals IBM and Apple Computers Inc. decide to join hands? |
| A. | 1978 |
| B. | 1984 |
| C. | 1990 |
| D. | 1991 |
| Answer» E. | |
| 78. |
What is the storage capacity of a Hollerith card which is organized into nibbles? |
| A. | 32 |
| B. | 64 |
| C. | 128 |
| D. | 240 |
| Answer» E. | |
| 79. |
Any device that performs signal conversion is |
| A. | Modulator |
| B. | Modem |
| C. | Keyboard |
| D. | Plotter |
| Answer» B. Modem | |
| 80. |
A processing unit that coordinates networks and data communication is known as |
| A. | Control unit |
| B. | Communications processor |
| C. | Register unit |
| D. | CPU |
| Answer» C. Register unit | |
| 81. |
The number of records contained within a block of data on magnetic tape is defined by the |
| A. | block definition |
| B. | record contain clause |
| C. | blocking factor |
| D. | record per block factor |
| Answer» D. record per block factor | |
| 82. |
Communication between computers using standard telephone service |
| A. | Requires a change to an anolog signal |
| B. | Is most efficient |
| C. | Produces little noise and few disturbances |
| D. | All of the above |
| Answer» B. Is most efficient | |
| 83. |
Which of the following memory is capable of operating at electronics speed? |
| A. | Semiconductor memory |
| B. | Magnetic disks |
| C. | Magnetic drums |
| D. | Magnetic tapes |
| Answer» B. Magnetic disks | |
| 84. |
A floppy disk contains |
| A. | Circular tracks only |
| B. | Sectors only |
| C. | Both circular tracks and sector |
| D. | All of the above |
| Answer» D. All of the above | |
| 85. |
In which year was UK's premier computing event called "The Which Computer" started? |
| A. | 1980 |
| B. | 1985 |
| C. | 1986 |
| D. | 1987 |
| Answer» B. 1985 | |
| 86. |
A memory that holds micro programs is |
| A. | Core memory |
| B. | ROM |
| C. | RAM |
| D. | Control memory |
| Answer» C. RAM | |
| 87. |
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 |
| Answer» B. Wand | |
| 88. |
Which is a secondary memory device? |
| A. | CPU |
| B. | ALU |
| C. | Floppy disk |
| D. | Mouse |
| Answer» D. Mouse | |
| 89. |
An output device that uses words or messages recorded on a magnetic medium to produce audio response is |
| A. | Magnetic tape |
| B. | Voice response unit |
| C. | Voice recognition unit. |
| D. | Voice band |
| Answer» C. Voice recognition unit. | |
| 90. |
All calculations are performed and all comparisons are made in _____ unit. |
| A. | control unit |
| B. | aritmetic-logic unit |
| C. | central processing unit |
| D. | primary storage unit |
| Answer» C. central processing unit | |
| 91. |
A double sided magnetic disk pack has six disks. Can you tell how many surfaces of this pack are normally used? |
| A. | 10 |
| B. | 12 |
| C. | 6 |
| D. | 9 |
| Answer» B. 12 | |
| 92. |
The terminal device that functions as a cash register, computer terminal, and OCR reader is the: |
| A. | Data collection terminal |
| B. | OCR register terminal |
| C. | Video display terminal |
| D. | POS terminal |
| Answer» E. | |
| 93. |
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 |
| Answer» D. 300-600 | |
| 94. |
Which of the following holds data and processing instructions temporarily until the CPU needs it? |
| A. | ROM |
| B. | control unit |
| C. | main memory |
| D. | coprocessor chips |
| Answer» D. coprocessor chips | |
| 95. |
Bit map terminal |
| A. | support displays containing multiple windows |
| B. | requires considerable amount of video RAM |
| C. | requires tremendous amount of copying and hence low performance |
| D. | All of the above |
| Answer» E. | |
| 96. |
Which of the following devices can be used to directly input printed text? |
| A. | OCR |
| B. | OMR |
| C. | MICR |
| D. | All of the above |
| Answer» B. OMR | |
| 97. |
A factor which would strongly influence a businessperson to adopt a computer is its: |
| A. | Accuracy |
| B. | Reliability |
| C. | Speed |
| D. | All of the above |
| Answer» E. | |
| 98. |
Whenever a peripheral is being controlled by the CPU, it is said to be online. If additionally, the computer files are updated as soon as any change takes place, the system is called |
| A. | quick processing system |
| B. | batch processing system |
| C. | real time system |
| D. | remote processing system |
| Answer» D. remote processing system | |
| 99. |
Which of the following is intended to be used in all applications runs on mainframe computers. |
| A. | LOGO |
| B. | APL |
| C. | PL/1 |
| D. | OCCAM |
| Answer» D. OCCAM | |
| 100. |
1024 bytes represent a |
| A. | Megabyte |
| B. | Gigabyte |
| C. | Kilobyte |
| D. | None of the above |
| Answer» D. None of the above | |