RAM Quiz

A,E,F

What are the characteristic features of the Double Data Rate 3 Synchronous Dynamic Random Access Memory (DDR3 SDRAM)? (Select 3 answers) A. 1 notch on the module contact surface B. Reads/writes 4 words of data per clock cycle C. 204 contact pins D. 2 notches on the module contact surface E. 240 contact pins F. Reads/writes 8 words of data per clock cycle

A,B,D

What are the characteristic features of the Double Data Rate Synchronous Dynamic Random Access Memory (DDR SDRAM)? (Select 3 answers) A. 184 contact pins B. Reads/writes 2 words of data per clock cycle C. 168 contact pins D. 1 notch on the module contact surface E. Reads/writes 4 words of data per clock cycle F. 2 notches on the module contact surface

D

What is the maximum amount of data that can be transferred each second by a DDR3-1600 module? A. 6400 MB/s B. 8533 MB/s C. 10667 MB/s D. 12800 MB/s

A

What is the most common memory module form factor type used in laptop computers? A. SO-DIMM B. DIMM C. MicroDIMM D. C-RIMM

B

What is the peak transfer rate of a DDR-266 module? A. 1600 MB/s B. 2133 MB/s C. 2666 MB/s D. 3200 MB/s

B

What is the total bandwidth of a DDR2-533 module? A. 3200 MB/s B. 4266 MB/s C. 5333 MB/s D. 6400 MB/s

A

A Single Data Rate Synchronous Dynamic Random Access Memory (SDR SDRAM) can read/write one word of data per clock cycle. A. True B. False

B

A memory module form factor commonly used in sub-notebook devices is known as: A. C-RIMM B. MicroDIMM C. SO-DIMM D. DIMM

A

A single-sided memory module type can have memory chips placed on both sides of the module. A. True B. False

B,C

A type of typically more expensive memory modules equipped with additional circuitry designed to ensure better system stability and accuracy of data processing is known as: (Select all that apply) A. VRAM B. Buffered memory C. RDIMM D. Synchronous DRAM E. UDIMM F. Unbuffered memory

C

Certain types of RAM take advantage of an additional bit in order to detect whether a data error has occurred. An extra bit is used to store information about the number of bits set to the value of one in a given string of data (typically one byte) and by examining that information at different stages of processing it is possible to detect whether the data has been corrupted or not. What is the name of that extra bit? A. Digest B. Binary number C. Parity bit D. Hash value

B

Compared to a non-ECC type of memory, the ECC RAM is a less expensive option and will always perform faster. A. True B. False

D

ECC type RAM: A. Can only detect errors, but does not have the capability to correct them B. Refers to parity RAM (the two terms are interchangeable) C. Offers better performance in terms of speed when compared to a non-ECC type of RAM D. Can detect and correct errors

A

Random Access Memory (RAM) falls into the category of the so-called volatile storage media. It requires a continuous flow of electricity to preserve its contents thus all the data stored in RAM lasts only while the power is on. A. True B. False

A,B,D,E

Taking advantage of the performance benefits offered by the multi-channel memory architecture requires: (Select all that apply) A. Memory modules of matching types B. Memory modules of matching speeds C. Installing memory modules in any of the free memory slots on the motherboard D. Memory modules of the same capacity E. Installing modules in appropriate memory slots (slots of matching color) on the motherboard

A

The color-coded memory slots on the motherboard indicate that the system is capable of taking advantage of the multi-channel memory architecture. A. True B. False

A

The placement of a notch on the RAM module contact surface allows for proper alignment of the module with the memory bank on the motherboard and prevents the installation of incompatible memory types. A. True B. False

A

The term "Synchronous Dynamic Random Access Memory (SDRAM)" refers to a broad category of DRAM modules that rely on the signal sent by the system clock in order to coordinate their functioning with other internal PC components. A. True B. False

A,B,E

What are the characteristic features of the Double Data Rate 2 Synchronous Dynamic Random Access Memory (DDR2 SDRAM)? (Select 3 answers) A. Reads/writes 4 words of data per clock cycle B. 1 notch on the module contact surface C. 204 contact pins D. Reads/writes 8 words of data per clock cycle E. 240 contact pins F. 2 notches on the module contact surface

A,C,E,G

Which of the answers listed below describe(s) the characteristics of Dual In-line Memory Modules (DIMMs)? (Select all that apply) A. Printed Circuit Board (PCB) type used as a placeholder for memory chips B. 32-bit data path C. Separate electrical contacts on each side of the module D. Obsolete memory packaging type used only in legacy systems E. 64-bit data path F. Unified electrical contact surface spanning both sides of the module G. Used with various SDRAM memory types (SDR, DDR, DDR2, and DDR3)

B,D,F,G

Which of the answers listed below refer(s) to the characteristic feature(s) of Static Random Access Memory (SRAM)? (Select all that apply) A. Non-volatile storage media type B. Faster than Dynamic Random Access Memory (DRAM) C. Widely used as system's primary storage media (regular RAM modules installed in memory slots on the motherboard) D. More expensive in comparison to Dynamic Random Access Memory (DRAM) E. Slower than Dynamic Random Access Memory (DRAM) F. Volatile storage media type G. Utilized for CPU cache memory chips H. Less expensive in comparison to Dynamic Random Access Memory (DRAM)

C

Which of the answers listed below refers to the industry name used for DDR-333 modules? A. PC-2100 B. PC-2400 C. PC-2700 D. PC-3200

C

Which of the answers listed below refers to the industry name used for DDR3-1333 modules? A. PC3-6400 B. PC3-8500 C. PC3-10600 D. PC3-12800

B,D,F

Which of the following RAM types would be the most suitable choices for a high-end server? (Select 3 answers) A. UDIMM B. Buffered memory C. Non-ECC memory D. RDIMM E. Unbuffered memory F. ECC memory

A,E,F,H

Which of the following answers describes(s) the characteristics of Dynamic Random Access Memory (DRAM)? (Select all that apply) A. Volatile storage media type B. Utilized for CPU cache memory chips C. More expensive in comparison to Static Random Access Memory (SRAM) D. Non-volatile storage media type E. Slower than Static Random Access Memory (SRAM) F. Widely used as system's primary storage media (regular RAM modules installed in memory slots on the motherboard) G. Faster than Static Random Access Memory (SRAM) H. Less expensive in comparison to Static Random Access Memory (SRAM)

D

Which of the following answers refers to the industry name used for DDR2-1066 modules? A. PC2-4200 B. PC2-5300 C. PC2-6400 D. PC2-8500

B,D,E

Which of the following characteristics apply to the type of RAM most commonly used as the main system memory in desktop PCs? (Select 3 answers) A. Buffered memory B. Non-ECC memory C. Static RAM D. Unbuffered memory E. Dynamic RAM F. ECC memory

B

Which of the memory types listed below allows for permanent storage of data? A. VRAM B. DVD-RAM C. SRAM D. Buffered memory E. DRAM

A,B,D,E

Which of the statements listed below are true? (Select all that apply) A. The speed of the system bus is measured in clock cycles B. In computer architecture, the term "word" refers to a group of bits processed as a unit C. The speed of the system bus in modern PCs is measured in GHz (i.e. billions of cycles per second) D. A single clock cycle is an equivalent of a period of time between two adjacent signals sent by the system clock E. The speed of the system bus in modern PCs is measured in MHz (i.e. millions of cycles per second) F. Depending on the system specs, a single clock cycle might be an equivalent of multiple ticks of the system clock