Deck 5: Internal Memory

Question 1

The two traditional forms of RAM used in computers are DRAM and SRAM.

Answer 1

True

Question 2

The SDRAM performs best when it is transferring large blocks of data sequentially such as for word processing,spreadsheets,and multimedia.

Answer 2

True

Question 3

All DRAMs require a refresh operation.

Answer 3

True

Question 4

RAM must be provided with a constant power supply.

Question 5

The basic element of a semiconductor memory is the memory cell.

Question 6

Semiconductor memory comes in packaged chips.

Question 7

A static RAM will hold its data as long as power is supplied to it.

Question 8

One distinguishing characteristic of memory that is designated as _________ is that it is possible to both read data from the memory and to write new data into the memory easily and rapidly.

A)RAM
B)ROM
C)EPROM
D)EEPROM

Question 9

The advantage of RAM is that the data or program is permanently in main memory and need never be loaded from a secondary storage device.

Question 10

NOR memory is better suited for external memory such as USB flash drives and memory cards.

Question 11

In a _________,binary values are stored using traditional flip-flop logic-gate configurations.

A)ROM
B)SRAM
C)DRAM
D)RAM

Question 12

A characteristic of ROM is that it is volatile.

Question 13

Flash memory is only used for internal memory applications.

Question 14

A number of chips can be grouped together to form a memory bank.

Question 15

DRAM is much costlier than SRAM.

Question 16

Which properties do all semiconductor memory cells share?

A)they exhibit two stable states which can be used to represent binary 1 and 0
B)they are capable of being written into to set the state
C)they are capable of being read to sense the state
D)all of the above

Question 17

A __________ contains a permanent pattern of data that cannot be changed,is nonvolatile,and cannot have new data written into it.

A)RAM
B)SRAM
C)ROM
D)flash memory

Question 18

An error-correcting code enhances the reliability of the memory at the cost of added complexity.

Question 19

Nonvolatile means that power must be continuously supplied to the memory to preserve the bit values.

Question 20

Which of the following memory types are nonvolatile?

A)erasable PROM
B)programmable ROM
C)flash memory
D)all of the above

Question 21

__________ can be caused by harsh environmental abuse,manufacturing defects,and wear.

A)SEC errors
B)Hard errors
C)Syndrome errors
D)Soft errors

Question 22

The _________ exchanges data with the processor synchronized to an external clock signal and running at the full speed of the processor / memory bus without imposing wait states.

A)DDR-DRAM
B)SDRAM
C)CDRAM
D)none of the above

Question 23

The two distinctive types of flash memory are designated as NOR and ______ .

Question 24

In earlier computers the most common form of random-access storage for computer main memory employed an array of doughnut-shaped ferromagnetic loops referred to as __________.

Question 25

A _________ RAM is made with cells that store data as charge on capacitors.

Question 26

A __________ failure is a permanent physical defect so that the memory cell or cells affected cannot reliably store data but become stuck at 0 or 1 or switch erratically between 0 and 1.

Question 27

Three common forms of read-mostly memory are: EPROM,EEPROM,and _________.

Question 28

_________ can be caused by power supply problems or alpha particles.

A)Soft errors
B)AGT errors
C)Hard errors
D)SEC errors

Question 29

__________ increases the data transfer rate by increasing the operational frequency of the RAM chip and by increasing the prefetch buffer from 2 bits to 4 bits per chip.

A)DDR2
B)RDRAM
C)CDRAM
D)DDR3

Question 30

A DDR3 module transfers data at a clock rate of __________ Mbps.

A)600 to 1200
B)800 to 2133
C)1000 to 2000
D)1500 to 3000

Question 31

RAM,ROM,PROM,EPROM,EEPROM,and flash memory are all examples of __________ memory types.

Question 32

One of the most widely used forms of DRAM is the _________ DRAM.

Question 33

__________ is a good candidate to replace or supplement DRAM for main memory.

A)STT-RAM
B)ReRAM
C)RamBus
D)PCRAM

Question 34

The simplest of the error-correcting codes is the _________ code.

Question 35

With __________ the data transfer is synchronized to both the rising and falling edge of the clock,rather than just the rising edge.

A)CDRAM
B)SDRAM
C)DDR-DRAM
D)RDRAM

Question 36

With _________ the microchip is organized so that a section of memory cells are erased in a single action.

A)flash memory
B)SDRAM
C)DRAM
D)EEPROM

Question 37

A __________ error is a random,nondestructive event that alters the contents of one or more memory cells without damaging the memory.

Question 38

A __________ RAM is a digital device that uses the same logic elements used in the processor.

Question 39

Theoretically,a DDR module can transfer data at a clock rate in the range of __________ Mbps.

A)200 to 400
B)400 to 1066
C)600 to 1400
D)800 to 1600

Question 40

________ increases the prefetch buffer size to 8 bits.

A)CDRAM
B)RDRAM
C)DDR3
D)all of the above

Question 41

___________ is a new type of Magnetic RAM,which features non-volatility,fast writing / reading speed,and high programming endurance and zero standby power.

Question 42

A new version of SDRAM,referred to as __________,can send data twice per clock cycle,once on the rising edge of the clock pulse and once on the falling edge.

Question 43

The traditional __________ chip is constrained both by its internal architecture and by its interface to the processor's memory bus.

Question 44

A typical DRAM pin configuration will include the __________ pin if necessary in order to have an even number of pins.

Question 45

__________ works by creating resistance rather than directly storing charge.