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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Database knowledge and support exam preparation. Choose a topic below to get started.
1. |
THERE_ARE_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ‚À´RECORD-ONCE‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖŒÄ_VERSIONS_OF_THE_COMPACT_DISK_AND_DIGITAL_VIDEO_DISK,_WHICH_CAN_BE_WRITTEN_ONLY_ONCE;_SUCH_DISKS_ARE_ALSO_CALLED____________DISKS.?$# |
A. | Write-once, read-many (WORM) |
B. | CD-R |
C. | DVD-W |
D. | CD-ROM |
Answer» B. CD-R | |
2. |
Tape_storage_is_referred_to_as____________storage.$ |
A. | Direct-access |
B. | Random-access |
C. | Sequential-access |
D. | All of the mentioned |
Answer» D. All of the mentioned | |
3. |
Optical disk _______ systems contain a few drives and numerous disks that can be loaded into one of the drives automatically (by a robot arm) on demand? |
A. | Tape Storage |
B. | Jukebox |
C. | Flash memory |
D. | All of the mentioned |
Answer» C. Flash memory | |
4. |
The primary medium for the long-term online storage of data is the __________ where the entire database is stored on magnetic disk. |
A. | Semiconductor memory |
B. | Magnetic disks |
C. | Compact disks |
D. | Magnetic tapes |
Answer» C. Compact disks | |
5. |
Which is the cheapest memory device in terms of costs/ bit? |
A. | Semiconductor memory |
B. | Magnetic disks |
C. | Compact disks |
D. | Magnetic tapes |
Answer» D. Magnetic tapes | |
6. |
__________ is increasingly being used in server systems to improve performance by caching frequently used data, since it provides faster access than disk, with larger storage capacity than main memory. |
A. | Flash memory |
B. | Disk |
C. | Main memory |
D. | Secondary memory |
Answer» B. Disk | |
7. |
The flash memory storage used are |
A. | NOR Flash |
B. | OR Flash |
C. | AND Flash |
D. | All of the mentioned |
Answer» B. OR Flash | |
8. |
Which of the following stores several gigabytes of data but usually lost when power failure? |
A. | Flash memory |
B. | Disk |
C. | Main memory |
D. | Secondary memory |
Answer» D. Secondary memory | |
9. |
The _________ is the fastest and most costly form of storage, which is relatively small; its use is managed by the computer system hardware. |
A. | Cache |
B. | Disk |
C. | Main memory |
D. | Flash memory |
Answer» B. Disk | |
10. |
Which of the following is a physical storage media? |
A. | Tape Storage |
B. | Optical Storage |
C. | Flash memory |
D. | All of the mentioned |
Answer» E. | |