Given the following characteristics of magnetic tape, and using linear recording: - Density=2000 bpi - Speed= 1500 inches/second - Size=3000 feet - Number of records to be stored: 200,000 records - Size of each records=100 bytes - Block size=10 records

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter8: Data And Network Communication Technology
Section: Chapter Questions
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Given the following characteristics of magnetic
tape, and using linear recording:
- Density=2000 bpi
- Speed= 1500 inches/second
Size=3000 feet
Number of records to be stored: 200,000
records
- Size of each records=100 bytes
- Block size=10 records
- IBG=.5 inches
Calculate the following:
1- Number of blocks needed
2- Size of the block in bytes
3- Time required to read one block
4- Time required to read all blocks
5- Amount of tape used for data only in inches
6- Total amount of tape used (data + IBG) in
inches
Transcribed Image Text:Given the following characteristics of magnetic tape, and using linear recording: - Density=2000 bpi - Speed= 1500 inches/second Size=3000 feet Number of records to be stored: 200,000 records - Size of each records=100 bytes - Block size=10 records - IBG=.5 inches Calculate the following: 1- Number of blocks needed 2- Size of the block in bytes 3- Time required to read one block 4- Time required to read all blocks 5- Amount of tape used for data only in inches 6- Total amount of tape used (data + IBG) in inches
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