____ is a data storage device that is mounted on a central spindle and consists of one or more platters divided into concentric tracks and sectors.

Appeared in: NHM UP Staff Nurse-2023 shift 1st

Explanation

A hard disk is a magnetic storage device that perfectly matches the description provided in the question.
It consists of one or more rigid, circular plates called platters, which are mounted on a central rotating shaft known as a spindle.
The surface of each platter is organized into concentric circles (tracks) and segments (sectors) to store data, which is read by a read/write head.

Option A: A CD-ROM is an optical storage medium, not magnetic. It uses a single, continuous spiral track to store data, which is fundamentally different from the concentric tracks described.
Option B: A floppy disk is a magnetic storage medium, but it uses a single, flexible diskette inside a plastic casing, not multiple rigid platters mounted on a spindle.
Option D: SRAM (Static Random Access Memory) is a type of volatile, solid-state semiconductor memory. It has no moving parts like platters, a spindle, or read/write heads.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Characteristics of computer data storage devices as background academic context rather than a clinical decision trigger.
While not a clinical topic, understanding computer hardware basics is essential for nurses to effectively use and troubleshoot Electronic Health Record (EHR) systems, patient monitoring equipment, and other medical devices.
Knowledge of different storage types helps in understanding data backup and archival policies for patient records, ensuring data integrity, security, and compliance with privacy regulations.
What if the question asked for a common, portable storage device with no moving parts? The answer would likely be a USB Flash Drive, which is a solid-state device widely used for transferring files.

How to Approach the Question

First, identify the key descriptive terms in the question: 'central spindle', 'platters', 'concentric tracks', and 'sectors'.
Recognize that these terms describe the physical structure of a mechanical, rotating disk-based storage system.
Next, evaluate each option based on these characteristics.
Eliminate 'CD-ROM' as it is an optical medium with a single spiral track.
Eliminate 'SRAM' as it is a type of solid-state memory with no moving parts.
Differentiate between 'Floppy disk' and 'Hard disk'. A floppy disk uses a single flexible disk, whereas the question specifies 'one or more platters' mounted on a spindle, which is the defining structure of a hard disk.

Concept Tested & Keywords

Concept Tested: Characteristics of computer data storage devices
Stem keywords: data storage device, central spindle, platters, concentric tracks, sectors
Lead-in keywords: BEST, MOST RELEVANT CLUE

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E6 Nursing Education & Educational TechnologySuresh k Sharma (pp 21-557 of 572) p. 331-333

E6 Essentials of Educational Technology Nursing EducationL Gopichandran C Kanniammal (pp 39-344 of 355) p. 200-202

Practise the full NHM UP Staff Nurse-2023 shift 1st

Attempt every question from this paper in a timed mock, then review the full solution for each one.