Data Storage Flashcards
What is primary memory?
Primary memory is a type of memory that is accessed directly by the CPU.
List the types of primary memory.
Registers
Cache
RAM
Virtual Memory
What is latency?
Latency is the time taken by components to respond to a request.
How is the access time reduced?
By copying frequently used data and instructions to the cache.
What is RAM?
A temporary memory which stores data, files and parts of the operating system that are currently in use.
True or False: The larger the size of RAM, the faster the computer will operate.
True
What is ROM?
A permanent memory that is used to store the instructions that are executed once the computer is switched ON.
What is a boot process?
The set of instructions that are executed once the computer is switched ON.
What are the advantages of using hard disk drives?
Provides high storage capacity and is cost-effective.
List some applications of hard disk drives.
Large storage facilities, computers and laptops.
Why is the access time of a hard disk drive higher compared to RAM?
Due to a large number of head movements
List some applications of solid-state drives.
Used in portable devices such as tablets and mobile phones.
What are read-only devices used for?
For storing programs, movies and songs distributed by its producers.
What are optical devices used for?
Storing back-ups, programs and transferring large files.
What parameters are considered for choosing a storage device?
Capacity, speed, portability, durability, and reliability.
