Subelement D: Display & Control Systems - 10 Key Topics – 10 Exam Questions— Topic 35: Memory Systems
Question 8-35D3
Element 8 (RADAR)The term DRAM stands for:
Explanation
DRAM stands for **Dynamic Random Access Memory**.
This type of memory is widely used in computers and digital devices, including modern amateur radio equipment like Software Defined Radios (SDRs) and transceivers with digital signal processing (DSP) capabilities. "Dynamic" refers to the fact that it requires constant refreshing (recharging small capacitors) to maintain its stored data; otherwise, the charge leaks away, and data is lost. "Random Access" indicates that any piece of data can be accessed directly and quickly, regardless of its physical location in memory.
Options A, B, and D use non-standard or incorrect terminology for the acronym's components. While DRAM does involve "refreshing," the 'R' stands for "Random," and the 'A' for "Access," making "Digital refresh access memory" incorrect. The other options are simply not recognized terms in computer memory architecture. Understanding components like DRAM is increasingly relevant as amateur radio technology integrates more digital processing.
Related Questions
8-35D1 In a digitized RADAR, the 360 degree sweep is divided into how many digitized segments?8-35D2 While troubleshooting a memory problem in a raster scan RADAR, you discover that the “REFRESH” cycle is not operating correctly. What type of memory circuit are you working on?8-35D4 How does the dual memory function reduce sea clutter?8-35D5 How many sequential memory cells with target returns are required to display the target?8-35D6 What is the primary purpose of display system memory?