Explore topic-wise MCQs in Database.

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.