ITE 272 EXAM STUDY QUESTIONS
AND ANSWERS
fetch - CORRECT ANSWER-data inputs are prepared for
transformation into data outputs
execution - CORRECT ANSWER-the transformation that takes
place and the output is stored
control unit (CU) - CORRECT ANSWER-moves data, access
instructions, and co...
fetch - CORRECT ANSWER-data inputs are prepared for
transformation into data outputs
execution - CORRECT ANSWER-the transformation that takes
place and the output is stored
control unit (CU) - CORRECT ANSWER-moves data, access
instructions, and controls the arithmetic logic unit
registers - CORRECT ANSWER-internal storage locations in a
CPU; each is capable of holding a single instruction or data
item instruction and instruction sets
op code - CORRECT ANSWER-the first group of bits and
represents the instruction's unique binary number
operands - CORRECT ANSWER-In an instruction's bit string,
they're groups of bits after the op code that hold the
instruction's input values; they can contain a data item or the
location of a data item
, move - CORRECT ANSWER-copies data to storage locations
and can copy data between any combination of registers and
primary storage locations
load - CORRECT ANSWER-data transfer from main memory
into a register
store - CORRECT ANSWER-data transfer from a register into
primary storage
unconditional branch - CORRECT ANSWER-changes the
sequence of the instruction's execution in the program
conditional branch - CORRECT ANSWER-changes the
instruction execution only if the value is true
halt - CORRECT ANSWER-suspends the normal flow of the
program
shift - CORRECT ANSWER-moves all values right or left; after
shifting, empty positions are filled with 0s, and bit values shifted
beyond the bit string's bounds are discarded
complex instruction set computing (CISC) - CORRECT
ANSWER-a philosophy of processor design that deliberately
includes complex instructions in the instruction set
reduced instruction set computing (RISC) - CORRECT
ANSWER-a philosophy of processor design that limits the
number and type of complex instructions in the instruction set
clock rate - CORRECT ANSWER-the frequency at which the
system clock generates timing pulses
cycle time - CORRECT ANSWER-the inverse of clock rate; the
time required to fetch and execute the simplest instruction in
the instruction set
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