COP1000 Ch 1
value of each term (right to left) in binary
0, 2, 4, 8, 16, 32, 64, 128
0 1 1 1 1 1 1 1
127
0 0 0 0 0 0 1 0
2
0 0 0 1 1 0 0 0
24
1 1 1 1 1 1 1 1
256
0 0 0 0 1 0 0
4
0 1 0 0 0 0 0 1
65
F
A syntax error does not prevent a program from being compiled and executed. (T/F)
T
An interpreter is a program that both translates and executes the instructions in a high-level language program. (T/F)
T
Any piece of data that is stored in a computer's memory must be stored as a binary number. (T/F)
F
Assembly language is considered a high-level language. (T/F)
middle-level program
C
high-level programs
C++, JavaScript, Python
F
Images, like the ones you make with your digital camera, cannot be stored as binary numbers. (T/F)
T
Machine language is the only language that a CPU understands. (T/F)
T
Main memory is also known as RAM. (T/F)
F
Windows Vista, Linux, UNIX, and Mac OS X are all examples of applications software. (T/F)
F
Word processing programs, spreadsheet programs, email programs, Web browsers, and games are all examples of utility programs. (T/F)
bits
a byte is made up of eight ________
input device
a component that collects data from people or other devices and sends it to the computer (ex: keyboard, camera)
0
a hit that is turned off represents this value
ASCII
a set of 128 numeric codes that represent the English letters, various punctuation marks, and other characters
program
a set of instructions that a computer follows to perform a task
secondary storage
a type of memory that can hold data for long periods of time
output device
a video display (ex: monitor, printer, speakers)
secondary memory
a volatile type of memory that is used only for temporary storage while a program is running
CPU
all main processing power; brain of the computer
unicode
an extensive encoding scheme that can represent that characters of many of the languages of the world
low-level program
assembly
object-oriented programming
base templates; scalability
machine language
computers can only execute programs that are written in ________
RAM
creates a virtual copy of all programs and downloads
volatile
does not permanently store info
byte
enough memory to store a letter of the alphabet or a small number
a stream of binary numbers
if you were to look at a machine language program, you would see ________
binary
in a ________ numbering system, all numeric values are written as sequences of 0s and 1s
two's complement
negative numbers are encoded using the ________ technique
8 bits
number of bits in a byte
4 bits
number of bits in a nyble
floating-point
real numbers are encoded using the ________ technique
hard drive
stores memory forever
list of data types
string, integer, double, float, long, short, char
data type
tells program which type of data you're using
decode
the CPU determines which operation it should perform in the ________ part of the fetch-decode cycle
the CPU
the part of a computer that runs programs
hardware
the physical devices that a computer is made of are referred to as
syntax
the rules that must be followed when writing a program
pixels
the tiny dots of color that digital images are composed of
keywords
the words that make up a high-level programming language
F
today, CPUs are huge devices made of electrical and mechanical components such as vacuum tubes and switches. (T/F)
microprocessors
today, CPUs are small chips known as
compiler
translates a high-level language program into a separate machine language program
assembler
translates an assembly language program to a machine language program
databus
transmits information across device
main memory
where the computer stores a program while the program is running as well as the data that the program is working with
