CSS - PMS - CCE - PCS - General Science
RAM
What unit is commonly used to express RAM capacity in modern computers?
A. Hertz only
B. Meters
C. Gigabytes
D. Volts only
Correct Answer: C
Consumer RAM capacity is commonly measured in gigabytes.
CSS - PMS - CCE - PCS - General Science
RAM
What can happen if a computer has insufficient RAM for active workloads?
A. Internet addresses disappear
B. The monitor becomes larger
C. The CPU stops having instructions permanently
D. The system may rely more on slower storage-based virtual memory and performance may drop
Correct Answer: D
Paging to disk or SSD is much slower than using RAM.
CSS - PMS - CCE - PCS - General Science
RAM
Which type of RAM is commonly used as main system memory?
A. DRAM
B. Blu-ray
C. PROM
D. SRAM only
Correct Answer: A
DRAM provides high density and lower cost for main memory.
CSS - PMS - CCE - PCS - General Science
RAM
Which type of RAM is commonly used for CPU caches?
A. DRAM only
B. Optical memory
C. SRAM
D. ROM
Correct Answer: C
SRAM is faster and more expensive per bit, making it suitable for cache memory.
CSS - PMS - CCE - PCS - General Science
RAM
What does SRAM stand for?
A. Static Random Access Memory
B. Serial Read Access Memory
C. Storage Randomized Access Memory
D. System Remote Allocation Memory
Correct Answer: A
SRAM uses flip-flop circuits and does not require periodic refresh while powered.
CSS - PMS - CCE - PCS - General Science
RAM
What does DRAM stand for?
A. Dynamic Random Access Memory
B. Digital Remote Active Memory
C. Dual Register Arithmetic Memory
D. Direct Read Access Module
Correct Answer: A
DRAM stores bits in capacitor-based cells that require periodic refreshing.
CSS - PMS - CCE - PCS - General Science
RAM
Which is generally faster for random access: RAM or a hard disk drive?
A. They are always identical
B. RAM
C. Hard disk drive
D. Neither stores data
Correct Answer: B
Semiconductor RAM has much lower access latency than mechanical hard drives.
CSS - PMS - CCE - PCS - General Science
RAM
What is RAM mainly used for?
A. Producing printed pages
B. Permanent archival storage only
C. Temporarily storing data and instructions currently in use
D. Providing network addresses
Correct Answer: C
RAM provides fast working storage for running software.
CSS - PMS - CCE - PCS - General Science
RAM
Is ordinary system RAM volatile?
A. Only if connected to the Internet
B. Only on Mondays
C. No, it permanently stores data without power
D. Yes
Correct Answer: D
Volatile RAM loses its contents when power is removed.
CSS - PMS - CCE - PCS - General Science
RAM
What does RAM stand for?
A. Rapid Arithmetic Machine
B. Read All Memory
C. Random Access Memory
D. Remote Access Module
Correct Answer: C
RAM is the main working memory used by active programs and data.