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