The Computer Storage Systems 2 - JSS2 Computer Studies Past Questions and Answers - page 2
What is the purpose of Network Attached Storage (NAS) in a computer network?
Portable storage
Specialized storage units for backups
Shared storage accessible to multiple users and devices
Quick access to frequently used data
What characteristic makes secondary storage suitable for long-term data storage?
High access speeds
Non-volatility
Limited storage capacities
Dependence on primary storage
What is the primary disadvantage of secondary storage in terms of access speeds?
Quick data retrieval
Durability
Slower access speeds compared to primary storage
Use of optical technology
Why are Solid-State Drives (SSD) commonly used for faster data access in computing?
They use magnetic storage on rotating disks.
They provide large storage capacities at a lower cost.
They utilize flash memory for data storage.
They are portable storage devices.
What is the primary advantage of External Drives in terms of connectivity to a computer?
Optical technology
Connection via USB or other interfaces
Non-volatility
Centralized data storage
Explain the significance of secondary storage in a computer system and how it differs from primary storage (RAM and cache memory). Provide examples to illustrate its role in long-term data retention.
Secondary storage, unlike primary storage (RAM and cache memory), plays a crucial role in long-term data retention in a computer system. It serves as a non-volatile repository for the operating system, applications, user files, and other data, preserving them even when the computer is turned off. This enables users to store and access a diverse range of information over an extended period, from documents and images to software installations and multimedia content. Unlike primary storage, which is temporary and used during active tasks, secondary storage ensures that data persists over time, contributing to the overall functionality of the computer system.
Discuss the features that differentiate Hard Disk Drives (HDD) from Solid-State Drives (SSD) in terms of technology, storage capacities, and common usage. Provide examples to illustrate the advantages and disadvantages of each type of secondary storage.
Hard Disk Drives (HDD) and Solid-State Drives (SSD) are two types of secondary storage devices with distinct features. HDDs use magnetic storage on rotating disks, providing large storage capacities at a relatively lower cost. They are commonly used for general data storage in desktops and laptops. On the other hand, SSDs utilize flash memory, offering faster access speeds and increased durability but often come with a higher price tag. SSDs are commonly used for quicker data access in laptops, desktops, and high-performance computing. Understanding the differences in technology, storage capacities, and common usage of HDDs and SSDs is essential for choosing the most suitable secondary storage option based on specific needs.
Explain the purpose and advantages of Network Attached Storage (NAS) in a computer network. How does NAS facilitate shared storage accessible to multiple users and devices? Provide examples to illustrate its role in centralized data storage and backup in home and business environments.
Network Attached Storage (NAS) is a specialized storage unit connected to a network, providing shared storage accessible to multiple users and devices in a computer network. Its purpose extends to centralized data storage and backup in both home and business environments. NAS devices allow users to store and retrieve data collaboratively, creating a centralized repository that enhances data accessibility and security. For instance, in a home environment, family members can share photos and documents stored on a NAS device, while in a business setting, NAS facilitates collaborative work and efficient data backup. Understanding the advantages and functionality of NAS in shared data storage is crucial for optimizing data management in networked environments.