MCQOPTIONS
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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.
| 201. |
Magnetic disks are the most popular medium for |
| A. | Sequential access |
| B. | Both Direct and Sequential access |
| C. | Direct access |
| D. | None of the above |
| Answer» C. Direct access | |
| 202. |
Rotation speed of optical disk is known to vary inversely with |
| A. | Access time |
| B. | Diameter |
| C. | Radius |
| D. | Surface |
| Answer» D. Surface | |
| 203. |
Algorithm of disk scheduling which selects the request with the least seek time from the current head positions is |
| A. | SSTF scheduling |
| B. | FCFS scheduling |
| C. | SCAN scheduling |
| D. | LOOK scheduling |
| Answer» B. FCFS scheduling | |
| 204. |
Data access time is depends on |
| A. | Seek time |
| B. | Operating frequenc |
| C. | Rotational delay |
| D. | All of the above |
| Answer» E. | |
| 205. |
What is the full form of RAID in Secondary Storage? |
| A. | Redundant array of independent disks |
| B. | Redundant array of inexpensive disks |
| C. | Redundant array of intermediate disks |
| D. | Redundant array of improper disks |
| Answer» C. Redundant array of intermediate disks | |
| 206. |
Reusable optical storage will typically have the acronym- |
| A. | CD |
| B. | DVD |
| C. | ROM |
| D. | RW |
| Answer» E. | |
| 207. |
Each track of a magnetic disk is divided into |
| A. | Sectors |
| B. | Packets |
| C. | Records |
| D. | Words |
| Answer» B. Packets | |
| 208. |
Data recorded on streamer type by on computer can be read by another, provided that they have |
| A. | Common inter block factor |
| B. | Common inter record factor |
| C. | Common storage area access |
| D. | Common QIC data format |
| Answer» E. | |
| 209. |
Winchester disks are a type of _______ |
| A. | optical disks |
| B. | magnetic disks |
| C. | compact disks |
| D. | magnetic drives |
| Answer» C. compact disks | |
| 210. |
Memory storage devices can be named as |
| A. | Floppy disk and Disk pack |
| B. | Disk pack and memory card |
| C. | Floppy drive and memory card |
| D. | WORM disk and Floppy drive |
| Answer» D. WORM disk and Floppy drive | |
| 211. |
The average time required to reach a storage location in memory and obtain its contents is called |
| A. | Latency time |
| B. | Access time |
| C. | Turnaround time |
| D. | Response time |
| Answer» C. Turnaround time | |
| 212. |
Disk used as a backup device for offline storage of data is named to be |
| A. | Floppy disks |
| B. | Zip disks |
| C. | Disk packs |
| D. | All of the Above |
| Answer» E. | |
| 213. |
Magnetic disks are most suitable then the |
| A. | Magnetic drive |
| B. | Magnetic tapes |
| C. | Hard drives |
| D. | Flash drive |
| Answer» C. Hard drives | |
| 214. |
Floppy disks are available in |
| A. | Single side double density |
| B. | Both Single side single density and Single side double density |
| C. | Single side single density |
| D. | None of the above |
| Answer» C. Single side single density | |
| 215. |
Latency time is |
| A. | Time to spin data under sector |
| B. | Time to spin the needed data under head |
| C. | Time to spin the needed data under track |
| D. | All of the above |
| Answer» C. Time to spin the needed data under track | |
| 216. |
What is the main purpose of the secondary storage device? |
| A. | To increase the speed of Computer |
| B. | To Install Operating System |
| C. | To Networking |
| D. | To Store Data |
| Answer» E. | |
| 217. |
Program is required for the process of writing to CD-RWs is known as |
| A. | LDE packet writer |
| B. | CDF packet writer |
| C. | VDF packet writer |
| D. | BDF packet writer |
| Answer» D. BDF packet writer | |
| 218. |
Magnetic disk is an example of |
| A. | Secondary memory |
| B. | Primary memory |
| C. | Main memory |
| D. | Both a and b |
| Answer» B. Primary memory | |
| 219. |
A normal CD- ROM usually can store up to _________ _data? |
| A. | 680 KB |
| B. | 680 Bytes |
| C. | 680 MB |
| D. | 680 GB |
| Answer» D. 680 GB | |
| 220. |
A DVD is an example of a |
| A. | hard disk |
| B. | optical disc |
| C. | output device |
| D. | solid-state storage device |
| Answer» C. output device | |
| 221. |
Which of the following helps to protect floppy disks from data getting accidentallyerased? |
| A. | Access notch |
| B. | Write-protect notch |
| C. | Entry notch |
| D. | Input notch |
| Answer» C. Entry notch | |
| 222. |
Any storage device added to computer beyond the immediately usable main storage is known as: |
| A. | Floppy disk |
| B. | Hard Disk |
| C. | Backing store |
| D. | Punched Card |
| Answer» B. Hard Disk | |
| 223. |
………. is the process of dividing the disk into tracks and sectors. |
| A. | Tracking |
| B. | Formatting |
| C. | Crashing |
| D. | Allotting |
| Answer» C. Crashing | |
| 224. |
Which of the following is READ only disc ? |
| A. | DVD-R |
| B. | DVD-ROM |
| C. | DVDRW |
| D. | CD-R |
| Answer» C. DVDRW | |
| 225. |
Which of the following is valid storage type? |
| A. | CPU |
| B. | Keyboard |
| C. | Pen Drive |
| D. | Track Ball |
| Answer» D. Track Ball | |
| 226. |
The most common type of storage devices are …………. |
| A. | persistent |
| B. | optical |
| C. | magnetic |
| D. | flash |
| Answer» D. flash | |
| 227. |
Which of the following is(are) an example of storage devices? |
| A. | Tapes |
| B. | DVDs |
| C. | Magnetic disks |
| D. | All of these |
| Answer» E. | |
| 228. |
CD ROM stands for |
| A. | Computer Disk Read Only Memory |
| B. | Compact Disk Read Over Memory |
| C. | Compact Disk Read Only Memory |
| D. | Computer Disk Read Over Memory |
| Answer» D. Computer Disk Read Over Memory | |
| 229. |
What is the storage capacity of a CD ROM? |
| A. | 700 MB |
| B. | 500 MB |
| C. | 7000 MB |
| D. | 4.7 GB |
| Answer» B. 500 MB | |
| 230. |
One kilobyte (KB) is equal to |
| A. | 1000 bytes |
| B. | 1024 bytes |
| C. | 1024 bits |
| D. | 1023 bytes |
| Answer» C. 1024 bits | |
| 231. |
8 bits forms a |
| A. | byte |
| B. | nibble |
| C. | kilobyte |
| D. | None of the above |
| Answer» B. nibble | |
| 232. |
A tape drive offers …………. access to data. |
| A. | random |
| B. | sporadic |
| C. | sequential |
| D. | None of these |
| Answer» D. None of these | |
| 233. |
One megabyte (MB) is equal to |
| A. | 1023 kilobytes |
| B. | 1000 bytes |
| C. | 100 kilobytes |
| D. | 1024 kilobytes |
| Answer» E. | |
| 234. |
One Gigabyte (GB) is equal to |
| A. | 1000 megabytes |
| B. | 2048 megabytes |
| C. | 2023 megabytes |
| D. | 1024 megabytes |
| Answer» E. | |
| 235. |
Which is the largest unit of storage among the following ? |
| A. | Terabyte |
| B. | Megabyte |
| C. | Kilobyte |
| D. | Gigabyte |
| Answer» B. Megabyte | |
| 236. |
A compact disc provides …………… type of data access. |
| A. | Sequential |
| B. | Direct |
| C. | Both a and b |
| D. | None of these |
| Answer» D. None of these | |
| 237. |
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 | |
| 238. |
THE_REPLACEMENT_OF_A_BAD_BLOCK_GENERALLY_IS_NOT_TOTALLY_AUTOMATIC_BECAUSE?$ |
| A. | data in bad block can not be replaced |
| B. | data in bad block is usually lost |
| C. | bad block does not contain any data |
| D. | none of the mentioned |
| Answer» C. bad block does not contain any data | |
| 239. |
During recovery from a failur? |
| A. | each pair of physical block is examined |
| B. | specified pair of physical block is examined |
| C. | first pair of physical block is examined |
| D. | none of the mentioned |
| Answer» B. specified pair of physical block is examined | |