QUESTIONS AND CORRECT ANSWERS
A storage device consists of a read/write mechanism and a storage medium. - CORRECT
ANSWER True
The ____ is the device or substance that actually holds data. - CORRECT ANSWER storage
medium
____ is a read-ahead RAM that uses the same clock pulse as the system bus. - CORRECT
ANSWER Synchronous DRAM
A ____ device isn't restricted to any specific order when accessing data. - CORRECT
ANSWER random access
A ____ is a CPU cycle spent waiting for access to an instruction or data. - CORRECT
ANSWER wait state
A storage device or medium is ____ if it can't hold data reliably for long periods. - CORRECT
ANSWER volatile
Block size is normally stated in bytes and is generally the same between storage devices, especially in
a single storage device. - CORRECT ANSWER False
Capacitors can charge and discharge much faster than batteries. - CORRECT ANSWER True
Cost per unit decreases as an access method moves from serial to random to parallel. - CORRECT
ANSWER False
Data is represented in the CPU as ____. - CORRECT ANSWER digital electrical signals
Memory devices comprised of semiconductors and other forms of RAM with long-term or permanent
data retention are generically known as ____. - CORRECT ANSWER nonvolatile memory
, Modern computers use memory implemented with ____. - CORRECT
ANSWER semiconductors
Primary storage extends the limited capacity of CPU registers. - CORRECT ANSWER True
SRAM has higher density then DRAM. - CORRECT ANSWER False
Serial access time depends on the current position of the read/write mechanism and the position of the
target data item in the storage medium. - CORRECT ANSWER True
Storage device speed is called ____. - CORRECT ANSWER access time
The ____, a newer packaging standard, is essentially a SIMM with independent electrical contacts on
both sides of the module. - CORRECT ANSWER double inline memory module
The physical structure of a storage device's read/write mechanism and storage medium determines the
ways in which data can be accessed. - CORRECT ANSWER True
The surface area allocated to store on a bit is called the ____. - CORRECT ANSWER areal
density
The term ____ describes primary storage devices that are implemented as microchips, can read and
write with equal speed, and can randomly access bytes, words, or larger data units. - CORRECT
ANSWER RAM
Volatility is a matter of degree and conditions. - CORRECT ANSWER True
Wait states increase CPU and computer system performance. - CORRECT ANSWER False
____ stores each bit by using a single transistor and capacitor. - CORRECT ANSWER Dynamic
RAM