ITF - Quiz 8.1 - System Memory and RAM

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