Neco 2017 Data Processing Question 23

Practice objective / multiple choice question 23 from the 2017 Neco Data Processing examination.

Neco 2017 Data Processing Objective / Multiple Choice Medium Difficulty
Question 23 NECO • 2017 • DATA_PROCESSING • objective

A file of size \(10\,200\) bytes is to be stored on a disk that uses a block size of \(4\,\text{KB}\) (i.e., \(4\,096\) bytes). The file is stored using indexed allocation, where a single index block contains pointers to the data blocks. Determine (a) the number of data blocks required, (b) the total number of blocks (data plus index) actually occupied on the disk, and (c) the total amount of internal fragmentation in bytes. Compare these results with contiguous allocation for the same file.

Answer Options

A. Data blocks: 2; Total blocks: 3; Internal fragmentation: 1792 bytes; Contiguous uses 3 blocks (12,288 bytes) with same fragmentation.
Correct Answer B. Data blocks: 3; Total blocks: 4; Internal fragmentation: 2088 bytes; Contiguous uses 3 blocks (12,288 bytes) with same fragmentation.
C. Data blocks: 3; Total blocks: 5; Internal fragmentation: 2088 bytes; Contiguous uses 4 blocks (16,384 bytes) with same fragmentation.
D. Data blocks: 4; Total blocks: 5; Internal fragmentation: 3072 bytes; Contiguous uses 3 blocks (12,288 bytes) with different fragmentation.
Correct Answer
B
Correct Option:
Data blocks: 3; Total blocks: 4; Internal fragmentation: 2088 bytes; Contiguous uses 3 blocks (12,288 bytes) with same fragmentation.

About This Question

This is Neco 2017 Data Processing Question 23. It is one of the objective questions from the 2017 Neco Data Processing examination.

Difficulty level: Medium .

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