decoder
latch
tristate buffer
none of the above
C. tristate buffer
AB + CD
AB(CD)
(A + B)(C + D)
(A)B(CD)
20
16
18
14
zero
one
that number
ten
assembler
debug
C++
Fortran
control and timing, register, and memory
operand, register, and arithmetic/logic unit (ALU)
control and timing, register, and arithmetic/logic unit (ALU)
arithmetic/logic unit (ALU), memory, and input/output
The digit to the right of the decimal point
The middle digit of a stream of numbers
The last digit on the right
The digit with the most weight
address bus
data bus
address bus and data bus
none of the above
Information storage is easy.
The circuits are less affected by noise.
The operation can be programmed.
The values may vary over a continuous range.
accumulator
stack pointer
instruction pointer
program counter
one-time programmable
a CMOS device
reprogrammable
reprogrammable and a CMOS device
data bus
address bus
control bus
address decoder bus
symbolic reduction
using Boolean algebra
using a truth table
TTL logic
1969
1974
1979
1985
X = ABC
X = AB
X = A + B + C
X = AB + C
when any input is LOW
when all inputs are HIGH
when any input is HIGH
all the time
X = A + B + C
X = A � B � C
A � B � C
x=A B
16-bit port number
8-bit port number
8-bit instruction
8-bit buffer number
2 circuits
4 circuits
6 circuits
8 circuits
It stores digital data on a hard drive.
It converts direct current to alternating current.
It takes the digital information from an audio CD and converts it to a usable form.
It allows the use of cheaper analog techniques, which are always simpler.
decoder
latch
tristate buffer
none of the above