DSST Intro to Computers

Rules billing and shipping address with checking card

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rules: billing and shipping address with checking card number and against the stolen database credit card registry 137. HTTP – (Hypertext Transfer Protocol) – set of rules for exchanging information over the web
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138. FTP – protocol used to copy files from one computer to another over the Internet, compatible with any operating system 139. URL – (Uniform Resource Locator) – string of characters that points to a specific piece of information anywhere on the web 140. Domain - Examples: .com, .edu, .gov, .mil, .net, .org etc. 141. DHCP (Dynamic Host Configuration Protocol) – a protocol designed to automatically distribute IP addresses 142. IP Address – series of numbers used to identify a network device, assigned to network devices, computers and peripherals, and can be changed by the network administrator 143. MAC address – series of numbers assigned by the manufacturer to a network interface card, these cannot be changed 144. Packet Switching Technology – divides messages into packets that can be independently routed to their destination and the reassembled, first come first serve basis 145. Packet – small unit of data transmitted over a network TCP/IP protocol breaks data up into packets, fixed length 146. CSMA/CD – Ethernet protocol that handles collisions on the network by deleting colliding signals and resetting the network 147. Programming Language –a set of keywords and grammar rules used to create instructions for a computer, Examples: C, C++, Pascal, Java, BASIC and assembly 148. Compiler – translates and converts source code (original code written by programmer) into object code (an executable file) each line of programming code into the machine language that the computer understands (Ex: READ, IF, WRITE, and THEN) Ex: of compiler programs C, C++, visual basic and Pascal 149. Syntax – punctuation programming rules involves a combination of keywords, punctuation, numbers and sequence 150. Syntax Errors – refer to typo errors and incorrect use of the programming language, spelling errors, omitting keywords or missing punctuation 151. Low Level Language – commands written for a specific CPU or microprocessor 152. High Level Language – based on human language and include C, C++, and FORTRAN, - replace strings of 0s and 1s with READ and WRITE 153. Assembly Language – language used to write system software, (system software ex: device drivers, operating systems, and compilers) 154. Fourth Generation Language – languages used to for database applications (Ex: SQL, RPG-I) 155. OOP (Object Oriented Programming) - allows a block of program code to be reused in other programs, allows recycling of code. Examples: C++ and Java
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156. Problem Statement – defines the problem, spells out known information, and specifies when the problem will be solved 157. Variable – in programming, a variable is a value that can change 158. Constant – is a factor that remains the same throughout the program 159. Event – in programming is an action, a key press or a mouse click 160. Remarks – notes in the program code by the programmer, for human use and ignored by the complier 161. Iteration or Loop – instructs the computer to repeat one or more instructions until a certain condition is
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