WorksheetsITF - Quiz 8.1 - System Memory and RAM
Total questions: 15
Worksheet time: 8mins
What is the main storage area for programs and data while a computer is running?
Hard disk
System memory
Virtual memory
Mass storage system
What type of memory is system memory?
Volatile memory
Non-volatile memory
Cache memory
Secondary memory
Why is a large amount of system memory essential for running a PC?
To access data in a mass storage system
To manipulate larger files
To work with multiple applications at the same time
To extend memory space using virtual memory
What is the name of the type of RAM where each data bit is stored as an electrical charge within a single bit cell?
DRAM
SRAM
DDR SDRAM
SDRAM
What is the purpose of refreshing dynamic memory periodically?
To prevent data loss
To increase memory capacity
To improve memory access speed
To reduce power consumption
Which type of SDRAM is synchronized with the system bus and has a 64-bit data bus?
DDR SDRAM
DDR2 SDRAM
DDR3 SDRAM
SDRAM
What is the maximum data rate of Double Data Rate SDRAM if the bus speed is 100 MHz?
400 MBps
800 MBps
1200 MBps
1600 MBps
Which technology increases bandwidth in DDR2, DDR3, and DDR4 by increasing bus speed?
Double pumping
Dynamic refreshing
Scalable speed improvements
Improved memory circuitry
What is the drawback of increasing bus speed in DDR2, DDR3, and DDR4?
Increased latency
Decreased bandwidth
Reduced memory capacity
Higher power consumption
What is the form factor of SDRAM used in desktop PCs?
DIMM
SO-DIMM
DDR SDRAM
DDR2 SDRAM
What is the form factor of SDRAM used in laptops?
DIMM
SO-DIMM
DDR SDRAM
DDR2 SDRAM
Which RAM vendor is NOT mentioned in the text?
Kingston
Crucial
Corsair
Samsung
What is the name of the memory technology that extends memory space by using disk space?
Virtual memory
Cache memory
Secondary memory
Mass storage system
What is the name of the type of RAM that features 'double pumped' data transfers?
DRAM
SRAM
DDR SDRAM
SDRAM
Which type of memory retains data only while there is a power source?
Volatile memory
Non-volatile memory
Cache memory
Secondary memory
