ASSIGNMENT 11
Textbook Assignment: “Magnetic Disk Storage,” chapter 10, pages 10-1 through 10-21.
11-1.
11-2.
11-3.
11-4.
Magnetic disks are generally used as which
of the following types of storage?
1. Main memory
2. Secondary storage
3. Tertiary storage
The original fixed disk had which of the
following maximum capacities?
1. 5 megabytes
2. 10 megabytes
3. 20 megabytes
4. 50 megabytes
The first floppy disks had a diameter of (a)
what number of inches and a maximum
capacity of(b) how many kilobytes?
1. (a) 5 (b) 180
2. (a) 5 (b) 360
3. (a) 8 (b) 180
4. (a) 8 (b) 360
The top and bottom surfaces of a removable
disk pack are usually used for what purpose?
1. Data storage
2. Protection
3. Servo data
4. Indexing
11-5.
11-6.
11-7.
11-8.
Fixed disks have which of the following
characteristics?
1.
2.
3.
4.
They are small sealed units with one or
more platters
They are easily removed from the
computer
They are only used with mainframe
computers
They are not broken
The 5.25-inch floppy disk is available with
which of the following densities?
1. 360K only
2. 720K only
3. 1.2M only
4. 360K, 720K, and 1.2M
The 3.5-inch floppy disk is available with
which of the following densities?
1. 360K only
2. 720K only
3. 1.44M only
4. 720K and 1.44M
Formatting a disk performs which of the
following operations?
1. Writes tracks only
2. Writes sectors only
3. Writes cylinders only
4. Writes tracks and sectors
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