ITE 221 FINAL [2026] | UPDATED ACTUAL | Question and
Answer | DETAILED SOLUTIONS AND PREPARATION
GUIDE
• The ____ is the device or substance that actually holds data. -✓✓ ANSWER:
storage medium
• ____ is a read-ahead RAM that uses the same clock pulse as the system bus. -
✓✓ ANSWER: Synchronous DRAM
• A ____ device isn't restricted to any specific order when accessing data. -✓✓
ANSWER: random access
• A ____ is a CPU cycle spent waiting for access to an instruction or data. -✓✓
ANSWER: wait state
• A storage device or medium is ____ if it can't hold data reliably for long periods.
-✓✓ ANSWER: volatile
• Block size is normally stated in bytes and is generally the same between storage
devices, especially in a single storage device. -✓✓ ANSWER: False
• Capacitors can charge and discharge much faster than batteries. -✓✓ ANSWER:
True
• Cost per unit decreases as an access method moves from serial to random to
parallel. -✓✓ ANSWER: False
,• Data is represented in the CPU as ____. -✓✓ 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 ____. -✓✓
ANSWER: nonvolatile memory
• Modern computers use memory implemented with ____. -✓✓ ANSWER:
semiconductors
• Primary storage extends the limited capacity of CPU registers. -✓✓ ANSWER:
True
• SRAM has higher density then DRAM. -✓✓ 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. -✓✓ ANSWER:
True
• Storage device speed is called ____. -✓✓ ANSWER: access time
• The ____, a newer packaging standard, is essentially a SIMM with independent
electrical contacts on both sides of the module. -✓✓ 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. -✓✓ ANSWER: True
• The surface area allocated to store on a bit is called the ____. -✓✓ 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. -✓✓ ANSWER: RAM
• Volatility is a matter of degree and conditions. -✓✓ ANSWER: True
• Wait states increase CPU and computer system performance. -✓✓ ANSWER:
False
• ____ stores each bit by using a single transistor and capacitor. -✓✓ ANSWER:
Dynamic RAM
• A storage device consists of a read/write mechanism and a(n) -✓✓ ANSWER:
storage medium
• Each refresh operation in DRAM is called a(n) -✓✓ ANSWER: refresh cycle
• A(n) ____________________ provides the interface between the storage device
and system bus. -✓✓ ANSWER: device controller
Answer | DETAILED SOLUTIONS AND PREPARATION
GUIDE
• The ____ is the device or substance that actually holds data. -✓✓ ANSWER:
storage medium
• ____ is a read-ahead RAM that uses the same clock pulse as the system bus. -
✓✓ ANSWER: Synchronous DRAM
• A ____ device isn't restricted to any specific order when accessing data. -✓✓
ANSWER: random access
• A ____ is a CPU cycle spent waiting for access to an instruction or data. -✓✓
ANSWER: wait state
• A storage device or medium is ____ if it can't hold data reliably for long periods.
-✓✓ ANSWER: volatile
• Block size is normally stated in bytes and is generally the same between storage
devices, especially in a single storage device. -✓✓ ANSWER: False
• Capacitors can charge and discharge much faster than batteries. -✓✓ ANSWER:
True
• Cost per unit decreases as an access method moves from serial to random to
parallel. -✓✓ ANSWER: False
,• Data is represented in the CPU as ____. -✓✓ 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 ____. -✓✓
ANSWER: nonvolatile memory
• Modern computers use memory implemented with ____. -✓✓ ANSWER:
semiconductors
• Primary storage extends the limited capacity of CPU registers. -✓✓ ANSWER:
True
• SRAM has higher density then DRAM. -✓✓ 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. -✓✓ ANSWER:
True
• Storage device speed is called ____. -✓✓ ANSWER: access time
• The ____, a newer packaging standard, is essentially a SIMM with independent
electrical contacts on both sides of the module. -✓✓ 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. -✓✓ ANSWER: True
• The surface area allocated to store on a bit is called the ____. -✓✓ 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. -✓✓ ANSWER: RAM
• Volatility is a matter of degree and conditions. -✓✓ ANSWER: True
• Wait states increase CPU and computer system performance. -✓✓ ANSWER:
False
• ____ stores each bit by using a single transistor and capacitor. -✓✓ ANSWER:
Dynamic RAM
• A storage device consists of a read/write mechanism and a(n) -✓✓ ANSWER:
storage medium
• Each refresh operation in DRAM is called a(n) -✓✓ ANSWER: refresh cycle
• A(n) ____________________ provides the interface between the storage device
and system bus. -✓✓ ANSWER: device controller
