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____ describes any CPU architecture in which duplicate CPUs or processor
stages can execute in parallel.
a. Uniprocessing
b. Scaled processing
c. Hyperprocessing
d. Multiprocessing - ANSWER-D. Multiprocessing
____ is the flow of electrons from one place or device to another.
a. Electrical voltage
b. Electrical current
c. Electrical resistance
d. Electrical conduction - ANSWER-B. Electrical current
Substances that electrons can flow through are called ____.
a. resistors
b. semiconductors
c. conductors
d. insulators - ANSWER-C. conductors
,The loss of electrical power that occurs as electrons pass through a conductor is
called ____.
a. resistance
b. voltage
c. amperage
d. wattage - ANSWER-A. resistance
____ has been the primary basis for CPU speed and clock rate improvement
since the first electrical computer.
a. Consolidation
b. Cooling
c. Power
d. Miniaturization - ANSWER-D. Miniaturization
A ____ device isn't restricted to any specific order when accessing data.
a. random access
b. serial access
c. dynamic access
d. linear access - ANSWER-A. random access
Data is represented in the CPU as ____.
a. analog electrical signals
b. quantum signals
c. digital electrical signals
d. digital optical signals - ANSWER-C. digital electrical signals
,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.
a. RAM
b. PROM
c. ROM
d. semiconductor - ANSWER-A. RAM
Modern computers use memory implemented with ____.
a. vacuum tubes
b. resistors
c. quasiconductors
d. semiconductors - ANSWER-D. semiconductors
____ is implemented entirely with transistors.
a. Dynamic RAM
b. Static RAM
c. Dynamic ROM
d. Static ROM - ANSWER-B. Static RAM
____ stores each bit by using a single transistor and capacitor.
a. Dynamic ROM
b. Static ROM
c. Dynamic RAM
d. Static RAM - ANSWER-C. Dynamic RAM
Programs usually access instructions and data items ____.
a. randomly
, b. dynamically
c. repeatedly
d. sequentially - ANSWER-D. sequentially
____ is the sum of average access delay and the time required to read a single
sector.
a. Average access time
b. Rotational latency
c. Track-to-track seek time
d. Synchronization delay - ANSWER-A. Average access time
____ is the time required to read the second of two adjacent sectors on the same
track and platter.
a. Track-to-track seek time
b. Rotational delay
c. Sequential access time
d. Average access time - ANSWER-C. Sequential access time
A disk with many program and data files scattered on it is said to be ____.
a. partitioned
b. segmented
c. clustered
d. fragmented - ANSWER-D. fragmented
A ____ reorganizes disk content so that a file's contents are stored in sequential
sectors, tracks, and platters.
a. disk defragmentation utility
b. disk organization utility