MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 239 Mcqs, each offering curated multiple-choice questions to sharpen your Operating System knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Magnetic tapes are not suitable for storing data that requires frequent random access, because of |
| A. | Sequential access nature |
| B. | Parallel access nature |
| C. | Direct access nature |
| D. | Indirect access nature |
| Answer» B. Parallel access nature | |
| 52. |
Magnetic disks are said to be capable of |
| A. | Serial access |
| B. | Direct access |
| C. | Random access |
| D. | Indirect access |
| Answer» D. Indirect access | |
| 53. |
CISC stands for ___________ |
| A. | Complex Information Sensed CPU |
| B. | Complex Instruction Set Computer |
| C. | Complex Intelligence Sensed CPU |
| D. | Complex Instruction Set CPU |
| Answer» C. Complex Intelligence Sensed CPU | |
| 54. |
A normal CD-ROM usually can store up to __________data? |
| A. | 680 KB |
| B. | 680 GB |
| C. | 680 MB |
| D. | 680 Bytes |
| Answer» D. 680 Bytes | |
| 55. |
Access time is |
| A. | Seek time |
| B. | Seek time â latency time |
| C. | Latency time |
| D. | Seek time + latency time |
| Answer» E. | |
| 56. |
Magnetic disks are considered less efficient than magnetic tapes for application type known to be |
| A. | Random processing applications |
| B. | Sequential processing applications |
| C. | Direct processing applications |
| D. | Latter processing applications |
| Answer» E. | |
| 57. |
Access time of a disk depends over factors of |
| A. | Two types |
| B. | Three types |
| C. | Four types |
| D. | Five types |
| Answer» C. Four types | |
| 58. |
Type of storage disc which have magnetized directions to represent 1 or 0 is said to be |
| A. | bubble memory |
| B. | direct memory |
| C. | indirect memory |
| D. | serial memory |
| Answer» B. direct memory | |
| 59. |
A disk storage medium in the form of an assembly containing a single rigid magnetic disk permanentlyis |
| A. | Fixed disk |
| B. | Card reader |
| C. | Disk cartridge |
| D. | Card punch |
| Answer» D. Card punch | |
| 60. |
Spinning desired sector under read or write head requires time, known to be |
| A. | Locating time |
| B. | Access time |
| C. | Latency |
| D. | Transfer time |
| Answer» D. Transfer time | |
| 61. |
Transfer of characters per second in 'tape cassettes' are |
| A. | 30 to 120 |
| B. | 50 to 160 |
| C. | 60 to 170 |
| D. | 70 to 180 |
| Answer» B. 50 to 160 | |
| 62. |
Which of the following assures you that the hard drive has failed? |
| A. | scrapping |
| B. | clicking |
| C. | buzzing sound |
| D. | all of these |
| Answer» E. | |
| 63. |
Number of mechanical read and write access arms in an optical disk is said to be |
| A. | Two arms |
| B. | Four arms |
| C. | Multiple arms |
| D. | NO arms |
| Answer» E. | |
| 64. |
Computer's primary storage is limited because of |
| A. | Cost per bit |
| B. | Access time |
| C. | Throughput time |
| D. | Number of words |
| Answer» B. Access time | |
| 65. |
Type of disc which stores data in a single track is classified as |
| A. | tape cassettes |
| B. | magnetic cassettes |
| C. | marked cassettes |
| D. | blocked cassettes |
| Answer» B. magnetic cassettes | |
| 66. |
Standard magnetic tapes and cassettes tape are examples of |
| A. | volatile access storage |
| B. | non impact access storage |
| C. | direct access storage |
| D. | serial access storage |
| Answer» E. | |
| 67. |
By relying on tape drive, read/write head, reads and writes data on tracks by |
| A. | One time only |
| B. | Two times at a time |
| C. | Multiple times at a time |
| D. | Parallel times but not at a time |
| Answer» D. Parallel times but not at a time | |
| 68. |
Which of the following is a secondary memory device? |
| A. | ALU |
| B. | Disk |
| C. | Keyboard |
| D. | All of the above |
| Answer» C. Keyboard | |
| 69. |
Disk crash or failure of a drive results in loss of entire store data, in magnetic disk named |
| A. | Compact disk |
| B. | Disk pack |
| C. | Winchester disk |
| D. | WORM disk |
| Answer» D. WORM disk | |
| 70. |
While inserting a diskette into the diskette drive of a PC, the disketteâs label side should face |
| A. | East |
| B. | South |
| C. | Up |
| D. | North |
| Answer» D. North | |
| 71. |
Storage capacity of magnetic disks are said to be virtually unlimited, except the |
| A. | Winchester disk |
| B. | Hard disks |
| C. | Disk packs |
| D. | Bernoulli disk |
| Answer» B. Hard disks | |
| 72. |
Disk drives can read/write recorded data that in |
| A. | Whole sectors at a time |
| B. | Only one sector at a time |
| C. | Multiple sectors in parallel |
| D. | All sectors in parallel |
| Answer» B. Only one sector at a time | |
| 73. |
A set of hard disk drives with a controller mounted in a single box , forming a single large storage unit is ____________ |
| A. | Disk array |
| B. | Drives |
| C. | Compact drives |
| D. | Multi-cores |
| Answer» B. Drives | |
| 74. |
Private network which uses storage protocol rather than networking protocol is |
| A. | storage area network |
| B. | local area network |
| C. | wide area network |
| D. | personal area network |
| Answer» B. local area network | |
| 75. |
Which of the following is the correct representation for storage capacity of a tape ? |
| A. | Data recording density = Storage capacity |
| B. | Length = Storage capacity |
| C. | Storage capacity= Length * data recording density |
| D. | Storage capacity= Length + data recording density |
| Answer» D. Storage capacity= Length + data recording density | |
| 76. |
What is the full form of CHS in Secondary Storage? |
| A. | Cylinder-high-sector |
| B. | Concentric-head-sector |
| C. | Cylinder-head-sector |
| D. | Concentric-high-sector |
| Answer» D. Concentric-high-sector | |
| 77. |
Storage capacity of magnetic disk depends on |
| A. | Tracks per inch of surface |
| B. | Bits per inch of tracks |
| C. | Disk pack in disk surface |
| D. | All of the above |
| Answer» E. | |
| 78. |
The disk drive component used to position read/write heads over a specific track I known as |
| A. | Acoustic couples |
| B. | Cluster |
| C. | Access arm |
| D. | All of the above |
| Answer» D. All of the above | |
| 79. |
Cost per bit of storage for magnetic disks is low, because of |
| A. | Their low cost |
| B. | Less complex structure |
| C. | High Data recording densities |
| D. | Both a and c |
| Answer» E. | |
| 80. |
Discs that stores data more effectively against dirt and on given area of disc are known as |
| A. | exchangeable discs |
| B. | non exchangeable discs |
| C. | timed discs |
| D. | bubble discs |
| Answer» C. timed discs | |
| 81. |
Time taken by disk arm to move the heads to the cylinder containing the desired sector is called |
| A. | disk time |
| B. | seek time |
| C. | arm time |
| D. | sector time |
| Answer» C. arm time | |
| 82. |
Secondary storage virtually has unlimited capacity because the cost per bit is very low. |
| A. | True |
| B. | False |
| C. | May be |
| D. | Can't say |
| Answer» B. False | |
| 83. |
Perforated paper used as input of output media is known as |
| A. | Card punch |
| B. | Paper tapes |
| C. | Magnetic tape |
| D. | Punched papers tape |
| Answer» C. Magnetic tape | |
| 84. |
Magnetic disk types includes |
| A. | Floppy disks and hard disks |
| B. | Hard disk and WORM disk |
| C. | Winchester disk and WORM disk |
| D. | Floppy disk and Zip disk |
| Answer» B. Hard disk and WORM disk | |
| 85. |
Each sector of a tape's track contains of |
| A. | 64 bytes |
| B. | 128 bytes |
| C. | 512 bytes |
| D. | 1026 bytes |
| Answer» D. 1026 bytes | |
| 86. |
Technology used for recording and reading data on optical disk is named to be |
| A. | Read/write head |
| B. | Ultra-violet rays |
| C. | Ultra-beam technology |
| D. | Laser beam technology |
| Answer» E. | |
| 87. |
Desired storage location at arrival is preceded by sequencing in storage device named as |
| A. | Sequential access device |
| B. | Zip access device |
| C. | Direct access device |
| D. | Indirect access device |
| Answer» B. Zip access device | |
| 88. |
A popular storage medium for direct-access secondary storage is named to be |
| A. | Magnetic tapes |
| B. | Magnetic disk |
| C. | CD-ROM |
| D. | Zip Disk |
| Answer» C. CD-ROM | |
| 89. |
Which statement is valid about magnetic tape? |
| A. | It is coated on both sides with iron oxide |
| B. | It can be erased and reused |
| C. | It is a plastic ribbon |
| D. | All of the above |
| Answer» D. All of the above | |
| 90. |
The most important advantage of a video disk is |
| A. | Cost effectiveness |
| B. | Potential capacity |
| C. | Compactness |
| D. | Durability |
| Answer» C. Compactness | |
| 91. |
As a storage media, advantage of CD-ROM is |
| A. | it is inexpensive |
| B. | data and information are retrieved more quickly than magnetic disk |
| C. | it makes less errors than magnetic media |
| D. | its speed is fast |
| Answer» D. its speed is fast | |
| 92. |
A backup store from which any random data can be accessed without reading all existing data is called |
| A. | direct access |
| B. | serial access |
| C. | storage access |
| D. | permanent access |
| Answer» B. serial access | |
| 93. |
Backing store that has short access time and consists of no moving parts is classified as |
| A. | timed disc |
| B. | bubble memory |
| C. | exchangeable disc |
| D. | non exchangeable disc |
| Answer» C. exchangeable disc | |
| 94. |
For online secondary storage, most popular device used is named to be |
| A. | Zip drives |
| B. | Floppy disk |
| C. | Flash drives |
| D. | Magnetic disks |
| Answer» E. | |
| 95. |
The storage subsystem in a microcomputer consists mainly of ______or ________ media with varying capacities |
| A. | Memory or video |
| B. | Video or magnetic |
| C. | Magnetic or optical |
| D. | Optical or memory |
| Answer» D. Optical or memory | |
| 96. |
Large volumes of data can be stored in secondary storage on a |
| A. | Execution basis |
| B. | Compilation basis |
| C. | Permanent basis |
| D. | Temporary basis |
| Answer» D. Temporary basis | |
| 97. |
Descending Order of a data Hierarchy is |
| A. | Database – File – Record – Fields – Bytes – Bit |
| B. | Database – File – Record – Fields – Bit – Bytes |
| C. | Database – Record – File – Fields – Bytes – Bit |
| D. | Database – Record – Fields – File – Bytes – Bit |
| Answer» B. Database – File – Record – Fields – Bit – Bytes | |
| 98. |
A piece of data that can be transferred between CPU and backup storage is called |
| A. | block |
| B. | stream |
| C. | cartridge |
| D. | gap |
| Answer» B. stream | |
| 99. |
Magnetic disk's data transfer rate is |
| A. | High |
| B. | Low |
| C. | Unknown |
| D. | Infinity |
| Answer» B. Low | |
| 100. |
Need to start and stop operations of traditional tape drives are eliminated by use of |
| A. | Tape cartridge |
| B. | Streamer tape |
| C. | Tape reel |
| D. | Digital accessed tape |
| Answer» C. Tape reel | |