1437848
Beschreibung
Quiz von johnrclark12, aktualisiert more than 1 year ago
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Erstellt von johnrclark12
vor etwa 10 Jahre
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Frage 1
Frage
A gate is constructed of one or more transistors.
Antworten
- True
- False
Frage 2
Frage
An AND gate and an OR gate produce opposite output.
Antworten
- True
- False
Frage 3
Frage
The circle in the logic symbol of a NOT gate is known as what?
Antworten
-
inversion bubble
-
sequential circuit
-
NAND gate
-
combinational circuit
-
completion sphere
Frage 4
Frage
Which gate produces a 1 only if all its inputs are 1 and a 0 otherwise?
Antworten
-
NOT
-
XOR
-
OR
-
NOR
-
AND
-
NAND
Frage 5
Frage
A transistor is made of material that acts as a good insulator, such as rubber.
Antworten
- True
- False
Frage 6
Frage
If an electrical signal is grounded, the electricity literally flows harmlessly to the ground.
Antworten
- True
- False
Frage 7
Frage
Which gate does the following Boolean expression represent?
X = A • B
Antworten
-
NOR
-
NAND
-
NOT
-
OR
-
XOR
-
AND
Frage 8
Antworten
-
XOR
-
NOR
-
AND
-
NAND
-
NOT
-
OR
Frage 9
Frage
A logic diagram and a truth table are equally powerful techniques for describing the behavior of a circuit.
Antworten
- True
- False
Frage 10
Frage
DeMorgan's law states that inverting the output of an AND gate is equivalent to inverting the individual input signals and then passing them through an OR gate.
Antworten
- True
- False
Frage 11
Frage
Which gate produces the sum portion of two binary digits in a half adder?
Antworten
-
XOR
-
AND
-
NAND
-
NOT
-
OR
-
NOR
Frage 12
Frage
A multiplexer (or mux) does which of the following?
Antworten
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adds two binary digits, taking the carry value into account
-
merges multiple input values into a single output value
-
acts as a memory circuit for a single binary digit
-
contains multiple S-R latch circuits
-
selects a single output value from a set of input values
Frage 13
Frage
The central processing unit (CPU) of a computer is often a single integrated circuit.
Antworten
- True
- False
Frage 14
Frage
The prefix kilo means 1000 when referring to speed and 1024 when referring to storage.
Antworten
- True
- False
Frage 15
Frage
A VLSI chip contains how many gates?
Antworten
-
10 to 100
-
2
-
1 to 10
-
0
-
more than 100,000
-
100 to 100,000
Frage 16
Frage
Which of the following executes an instruction once it is decoded?
Antworten
-
auxiliary storage device
-
control unit
-
ROM
-
RAM
-
arithmetic/logic unit
Frage 17
Frage
RAM is non-volatile and ROM is volatile.
Antworten
- True
- False
Frage 18
Frage
The fetch part of the fetch-execute cycle fetches the next instruction to be executed from memory.
Antworten
- True
- False
Frage 19
Frage
The prefix micro refers to which power of ten?
Antworten
-
-6
-
-3
-
-12
-
-9
Frage 20
Frage
If an ad for a computer describes a memory having 4 x 230 bytes, how many bytes of the computer are uniquely addressable?
Antworten
-
16GB
-
4MB
-
8GB
-
8MB
-
4GB
Frage 21
Frage
A register is a small storage area in the CPU.
Antworten
- True
- False
Frage 22
Frage
The CPU determines what additional data may be needed to execute an instruction.
Antworten
- True
- False
Frage 23
Frage
What does the term "Core™ Duo" refer to in the description of the components of the Instavialion 640 Laptop?
Antworten
-
the presence of two central core lithium batteries in the laptop computer
-
the presence of two front side buses (FSBs) in the laptop computer
-
the presence of two software operating systems in the laptop computer
-
the presence of two central core processors in the laptop computer
-
the presence of two central hard drives in the laptop computer
Frage 24
Frage
A von Neumann computer architecture is best characterized by which of the following?
Antworten
-
random access memory
-
program input device
-
stored-program concept
-
read only memory
-
the use of disk drives
Frage 25
Frage
A touch screen is both an input and output device.
Antworten
- True
- False
Frage 26
Frage
The bus is a group of wires through which data travels within a computer.
Antworten
- True
- False
Frage 27
Frage
Which parallel-processing approach applies the same program to multiple data sets using multiple processors?
Antworten
-
synchronous processing
-
decode processing
-
tandem processing
-
pipelining processing
-
transfer processing
Frage 28
Frage
Which language is actually executed by the central processing unit of a computer?
Antworten
-
high-level language
-
virtual language
-
machine language
-
assembly language
-
accumulator language
Frage 29
Frage
The seek time of a disk drive is the time it takes for the specified sector to rotate under the read/write head.
Antworten
- True
- False
Frage 30
Frage
Each machine language instruction performs a single complex task, such as sorting a list of numbers.
Antworten
- True
- False
Frage 31
Frage
Which touch screen technology uses a laminate that conducts electricity and causes current to flow to a finger or stylus when touched?
Antworten
-
capacitive touch screen
-
infrared touch screen
-
addressable touch screen
-
surface acoustic wave touch screen
-
resistive touch screen
Frage 32
Frage
Which language uses mnemonics to represent instructions?
Antworten
-
high-level language
-
accumulator language
-
assembly language
-
virtual language
-
machine language
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