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