The Computer Storage Systems 1 - JSS2 Computer Studies Past Questions and Answers - page 1
What is the primary role of primary storage in a computer system?
Long-term data storage
Temporary data and instruction storage for active tasks
External data backup
Internet connection management
Which type of memory is characterized by its volatility and loses stored information when the power is turned off?
ROM (Read-Only Memory)
Cache memory
Secondary storage
RAM (Random Access Memory)
What is the main purpose of cache memory in a computer system?
Long-term data storage
Quick access to frequently used data and instructions
Managing internet connections
Storing large media files
Which characteristic defines primary storage as unsuitable for long-term data storage?
Direct accessibility
Volatility
Speed
Large capacity
Why is the speed of primary storage, especially RAM and cache memory, crucial in a computer system?
To manage internet connections
For efficient data backup
For quick access and retrieval of data during active tasks
To store large media files
Discuss the role of primary storage in enhancing the overall performance of a computer system. Explain how its characteristics, such as volatility and speed, contribute to the efficiency of active tasks.
Primary storage, comprising RAM and cache memory, plays a critical role in enhancing the overall performance of a computer system. RAM serves as the temporary workspace for the CPU, storing actively used data and instructions during ongoing tasks. Its volatility allows for quick read and write operations, supporting the seamless execution of programs. Cache memory, being a high-speed form of volatile memory, further accelerates processing by storing frequently accessed data closer to the CPU. The combination of these primary storage components ensures direct and rapid access to data, contributing to the efficiency and responsiveness of active computing tasks.
Explain how primary storage differs from secondary storage in terms of purpose and characteristics. Discuss specific scenarios where primary storage is more suitable and where secondary storage excels.
Primary storage, represented by RAM and cache memory, is designed for temporary and fast access to data and instructions during active tasks. It is volatile, meaning it loses stored information when the power is turned off. In contrast, secondary storage, such as hard drives and SSDs, is intended for long-term data storage. It is non-volatile, allowing data to persist even when the computer is powered off. Primary storage excels in scenarios where quick access and retrieval of data are crucial, such as running applications and actively processed tasks. Secondary storage is more suitable for scenarios requiring large data storage capacity, such as storing documents, media files, and backups, where long-term retention is essential.
Explain the role of primary memory in a computer system and how it contributes to the overall performance. Provide examples to illustrate its importance in everyday computing tasks.
Primary memory, such as RAM (Random Access Memory), plays a vital role in a computer system by providing fast and temporary storage for actively running programs and data. It allows quick access to information needed for tasks like opening applications, playing games, and browsing the internet. For example, when you have multiple tabs open in a web browser, primary memory helps in quickly switching between them.
Highlight the differences between RAM (Random Access Memory) and cache memory in a computer. Explain their respective features and how they collaborate to enhance the computer's speed and efficiency.
RAM and cache memory are both types of primary memory with distinct features. RAM is larger in size and stores data that is actively being used by the computer. It allows quick access to information but is slower compared to cache memory. Cache memory, on the other hand, is smaller and stores frequently accessed data to provide even faster access times. While RAM provides more storage space, cache memory focuses on delivering quicker access to specific data, working together to enhance the overall speed and efficiency of the computer.
Describe the features that differentiate RAM (Random Access Memory) from cache memory in a computer system. How does the size and speed of each type of memory contribute to the seamless execution of tasks?
RAM and cache memory have distinct features that contribute to their roles in a computer system. RAM is larger in size, storing a more extensive range of data for active tasks, while cache memory is smaller but faster, holding frequently accessed information. The size of RAM allows for multitasking, supporting various applications simultaneously, while the speed of cache memory ensures quick access to critical data. Together, they create a harmonious balance, with RAM providing ample space for diverse tasks, and cache memory ensuring swift retrieval of frequently needed information.