CompTIA A+ 220 Core 1 (RAM)

Which type of memory allows for permanent data storage?

• VRAM

• DVD-RAM

• Static RAM

• Buffered memory

• DRAM

Which of the following are characteristic features of Static Random-Access Memory (SRAM)? (Select all that apply)

• Volatile storage media type

• Faster than Dynamic Random-Access Memory (DRAM)

• Widely used as system's primary storage media (regular RAM modules installed in memory slots on the motherboard)

• More expensive in comparison to Dynamic Random-Access Memory (DRAM)

• Utilized for CPU cache memory chips

Which of the following are characteristics of Dynamic Random-Access Memory (DRAM)? (Select all that apply)

• Volatile storage media type

• Utilized for CPU cache memory chips

• Slower than Static Random-Access Memory (SRAM)

• Widely used as system's primary storage media (regular RAM modules installed in memory slots on the motherboard)

• Less expensive in comparison to Static Random-Access Memory (SRAM)

SDRAM's backward compatibility feature provides a convenient way to build PCs utilizing different types of SDRAM modules.

• True

• False

Which of the following is a valid SDRAM module combination that can be installed on a single PC motherboard?

• DDR2 + DDR

• DDR3 + DDR2

• DDR4 + DDR3

• Any of the above

• None of the above

What are some characteristic features of the Double Data Rate 2 Synchronous Dynamic Random-Access Memory (DDR2 SDRAM)? (Select 3 answers)

• Reads/writes 2 words of data per clock cycle

• 1 notch on the module contact surface

• 204 contact pins

• Reads/writes 4 words of data per clock cycle

• 240 contact pins

Which of the following is the industry name used for DDR2-1066 modules?

• PC2-4200

• PC2-5300

• PC2-6400

• PC2-8500

What is the peak transfer rate of a DDR2-533 module?

• 3200 MB/s

• 4266 MB/s

• 5333 MB/s

• 6400 MB/s

DDR2 SDRAM SODIMM memory modules contain:

• 200 contact pins

• 204 contact pins

• 240 contact pins

• 260 contact pins

Which of the following answers describe Double Data Rate 3 Synchronous Dynamic Random-Access Memory (DDR3 SDRAM)? (Select 3 answers)

• 1 notch on the module contact surface

• Reads/writes 4 words of data per clock cycle

• 204 contact pins

• 240 contact pins

• Reads/writes 8 words of data per clock cycle