Question

1(a) Explain the following Internet terms: (i) Sign in; (ii) Search engine.
(b) Figure 1 and 2 illustrate the access methods. (i) Identify the file access method illustrated in: I. Figure 1; II. Figure 2. (ii) State one advantage and one disadvantage each for the file access method illustrated in: I. Figure 1; II. Figure 2.s

Accepted Answer

(a)(i) Sign in: to enter a username, password or other authentication details to access a website, application or online service, allowing the user to access their account and personalized content/features.
(ii) Search engine: a website or program that enables people to find information online by searching for keywords or phrases, e.g. Google, Bing, Yahoo.

(b)(i) I. Figure 1: Random access method. II. Figure 2: Sequential access method.
(ii) Figure 1 -- Advantage: records can be accessed directly regardless of physical location, ideal for fast data retrieval. Disadvantage: a complex indexing system is required to manage record locations.
Figure 2 -- Advantage: straightforward to implement, records stored/accessed linearly, less prone to data corruption, efficient for large files. Disadvantage: slower data retrieval, especially if the desired record is located far into the sequence.

WAEC Computer Studies 2024 Theory — Question 1

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