1302577
Descripción
Test por johnrclark12, actualizado hace más de 1 año
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Creado por johnrclark12
hace alrededor de 10 años
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Pregunta 1
Pregunta
A vacuum tube was a device used in the first generation of computers to link computers together into a network.
Respuesta
- True
- False
Pregunta 2
Pregunta
The base of a number system determines the number of digit positions that can be used for any number in the system.
Respuesta
- True
- False
Pregunta 3
Pregunta
What is the name of a solid piece of silicon that contains transistors, other components, and their connections?
Respuesta
-
integrated circuit
-
motherboard
-
workstation
-
magnetic disk
-
server
Pregunta 4
Pregunta
How many digits are there in the binary number system?
Respuesta
-
7
-
1
-
9
-
2
-
8
Pregunta 5
Pregunta
True or False? A high-level language is more English-like than assembly language.
Respuesta
- True
- False
Pregunta 6
Pregunta
True or False? Binary numbers can be converted to octal, but not to hexadecimal.
Respuesta
- True
- False
Pregunta 7
Pregunta
Which language is built into the electrical circuitry of a computer?
Respuesta
-
compiled language
-
assembly language
-
interpreted language
-
machine language
-
high-level language
Pregunta 8
Pregunta
What is the decimal value of the largest digit in the hexadecimal number system?
Respuesta
-
9
-
0
-
10
-
15
-
16
Pregunta 9
Pregunta
Two hexadecimal digits can be stored in one byte.
Respuesta
- True
- False
Pregunta 10
Pregunta
A mercury thermometer is a digital device.
Respuesta
- True
- False
Pregunta 11
Pregunta
In base 16, the digit D is used to represent the decimal value
Respuesta
-
13
-
15
-
12
-
10
Pregunta 12
Pregunta
How many things can be represented using three bits?
Respuesta
-
3
-
6
-
8
-
4
-
12
Pregunta 13
Pregunta
Electronic signals are easier to manage if they transfer only binary data.
Respuesta
- True
- False
Pregunta 14
Pregunta
In a signed-magnitude representation of numbers there are two representations of zero.
Respuesta
- True
- False
Pregunta 15
Pregunta
In general, how many things can be represented by n bits?
Respuesta
-
n^2
-
2n
-
2n + 1
-
2^n
-
n^4
Pregunta 16
Pregunta
Which technique for representing numeric data uses the mantissa to hold the significant digits of a value?
Respuesta
-
scientific notation
-
ten's complement
-
floating point
-
fixed-sized numbers
-
signed-magnitude
Pregunta 17
Pregunta
Audio data is often represented on a computer by sampling the continuous signal that represents a sound wave.
Respuesta
- True
- False
Pregunta 18
Pregunta
Run-length encoding replaces common words with shorter symbols.
Respuesta
- True
- False
Pregunta 19
Pregunta
Which of the following is true about representing color as an RGB value?
Respuesta
-
it is composed of four separate numbers
-
it cannot represent the color white
-
it cannot represent the color black
-
it mimics the way color is perceived by the human eye
-
it cannot represent transparency
Pregunta 20
Pregunta
Which text compression technique uses variable-length binary strings to represent characters, assigning frequently used characters short codes?
Respuesta
-
Huffman encoding
-
ASCII encoding
-
run-length encoding
-
keyword encoding
-
character set encoding
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