Neco 2022 Data Processing Question 46

Practice objective / multiple choice question 46 from the 2022 Neco Data Processing examination.

Neco 2022 Data Processing Objective / Multiple Choice Medium Difficulty
Question 46 NECO • 2022 • DATA_PROCESSING • objective

If a company stores employee records each of size \(150\) bytes and expects \(10{,}000\) records, compare the total storage required for (a) a sequential file, (b) an indexed sequential file where each index entry occupies 8 bytes and an index block holds 100 entries, and (c) a direct (hashed) file that allocates 10 % extra slots. State which organization best balances storage use and the mixed access requirement (random by employee ID and sorted by department).

Answer Options

A. Sequential: 1,400,000 bytes; Indexed‑sequential: 1,580,000 bytes; Direct (hashed): 1,650,000 bytes. Recommended: Indexed‑sequential organization.
B. Sequential: 1,500,000 bytes; Indexed‑sequential: 1,580,000 bytes; Direct (hashed): 1,620,000 bytes. Recommended: Sequential organization.
C. Sequential: 1,500,000 bytes; Indexed‑sequential: 1,560,000 bytes; Direct (hashed): 1,650,000 bytes. Recommended: Direct (hashed) organization.
Correct Answer D. Sequential: 1,500,000 bytes; Indexed‑sequential: 1,580,000 bytes; Direct (hashed): 1,650,000 bytes. Recommended: Indexed‑sequential organization.
Correct Answer
D
Correct Option:
Sequential: 1,500,000 bytes; Indexed‑sequential: 1,580,000 bytes; Direct (hashed): 1,650,000 bytes. Recommended: Indexed‑sequential organization.

About This Question

This is Neco 2022 Data Processing Question 46. It is one of the objective questions from the 2022 Neco Data Processing examination.

Difficulty level: Medium .

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