Podcast Beta
Questions and Answers
Which type of memory is categorized as volatile?
What is a primary function of RAM in a computer system?
Which of the following types of RAM does NOT require refreshing?
Which of the following accurately describes ROM?
Signup and view all the answers
Which type of memory module is the most commonly used today?
Signup and view all the answers
What distinguishes SRAM compared to DRAM?
Signup and view all the answers
Which type of memory is primarily used as cache?
Signup and view all the answers
What is the primary purpose of cache memory?
Signup and view all the answers
Study Notes
Memory Defined
- Memory stores data, instructions, and system settings.
Computer Memory Categories
- Primary Memory: System Memory essential for computer operations, stores data and instructions for the CPU, stores basic system settings
- Secondary Memory: Used for long-term storage (data not currently needed by CPU).
- Archival Storage Devices: Used for backups and long-term archival.
Primary Memory Types
-
RAM (Random Access Memory): Volatile, stores data and instructions used by the CPU (examples: RAM chips). Includes:
- SRAM (Static RAM): Very fast, expensive, does not need refreshing, used as cache (on-chip, card, or inside CPU)
- DRAM (Dynamic RAM): Slower than SRAM, cheaper, needs constant refreshing, used as RAM (examples: SIMMs, DIMMs, RIMMs)
- ROM (Read Only Memory): Non-volatile, stores basic system settings (examples: BIOS, CMOS).
Primary Memory Hierarchy
- Data and instructions are retrieved in a hierarchical order:
- Cache (fastest, most frequently accessed information)
- RAM (closer to the CPU than secondary storage)
- Secondary Storage (least frequently accessed information)
RAM Types
- SIMM (Single Inline Memory Module): Older type of DRAM.
- DIMM (Dual Inline Memory Module): Most popular type of DRAM today.
- RIMM (Rambus Inline Memory Module): Less common than DIMMs, uses a faster system bus.
DRAM Types
- SDRAM (Synchronous DRAM): Synchronized with the system clock.
- DDR (Double Data Rate) SDRAM: Most common today, operates at double the speed of SDRAM.
- RDRAM (Rambus DRAM): Not as common, faster system bus, uses RIMMs.
Older RAM Types
- Conventional RAM: Older, less efficient.
- Fast Page Memory (FPM): Faster than conventional RAM.
- Extended Data Out (EDO) RAM: Faster than FPM, can access data while transferring the previous data set.
- Burst EDO (BEDO) RAM: Faster than EDO.
Cache Memory
- High speed SRAM
- Stores the very next command or data needed by the CPU.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Related Documents
Description
This quiz covers the essentials of computer memory, including the categories of primary and secondary memory. Explore types like RAM and ROM, as well as their roles and characteristics in data storage and system performance.
