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