
External Memory

Quiz
•
Computers
•
University
•
Medium
Julie Yee
Used 2+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A __________ disk is permanently mounted in the disk drive, such as the hard disk in a personal computer.
nonremovable
movable-head
double sided
removable
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Greater ability to withstand shock and damage, improvement in the uniformity of the magnet film surface to increase disk reliability, and a significant reduction in overall surface defects to help reduce read-write errors, are all benefits of ___________.
magnetic read and write mechanisms
platters
the glass substrate
a solid state drive
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Data are transferred to and from the disk in __________.
tracks
gaps
sectors
pits
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The sum of the seek time and the rotational delay equals the _________, which is the time it takes to get into position to read or write.
access time
gap time
transfer time
constant angular velocity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
__________ is the standardized scheme for multiple-disk database design.
RAID
CAV
CLV
SSD
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
RAID level _______ has the highest disk overhead of all RAID types.
0
1
3
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of RAID technology?
To increase the storage capacity of a single disk.
To combine multiple disk drives into a single logical unit for improved performance or data protection
To store data in a centralized database
To encrypt data on disk drives
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