Apps Comp Exam 1 Questions & Answers 2024/2025
Hardware - ANSWERSComputer built out of wires, rollers, and motors
Software - ANSWERSA collective term for programs, the instructions computers perform to implement applications
User Experience - ANSWERSTogether, hardware and software presen...
Hardware - ANSWERSComputer built out of wires, rollers, and motors
Software - ANSWERSA collective term for programs, the instructions computers perform to implement
applications
User Experience - ANSWERSTogether, hardware and software present a virtual world that doesn't exist,
but which we experience (we experience something that is very different from what the computer
actually does)
Software Stack - ANSWERSLayered software development. Software gets more and more complex, and
more and more sophisticated based on the combined efforts of many programmers.
- Software development applies a layered approach in which programs at one level apply code for the
more primitive operations from lower levels, and provide more advanced facilities for higher levels.
Algorithms - ANSWERSA precise and systematic method for producing a specified result
Feedback - ANSWERSAny indication that either the computer is still working or has completed the
request
Consistent Interface - ANSWERSUser interfaces--icons, menus, etc.--tend to be similar (user friendly)
New Instance - ANSWERSThe structure without any properties or content filled in (ex. A blank
PowerPoint file)
Perfect Reproduction - ANSWERSBecause digital information is represented by binary code, files can be
exactly reproduced, unlike things like vinyl records or newspapers
, Copying/Pasting - ANSWERSReproduces content and other characteristics of the source value,
minimizing formatting mistakes
Metaphors - ANSWERSAn icon or image or a concept used as a representative of or symbolic of
computation (ex: the business desktop metaphor → trash can icon, "desktop" of a computer)
Graphical User Interface - ANSWERS(GUI) file extension (e.g. picture.gif) that specifies a graphic image
format
Synchronous communications - ANSWERSRequires that both the sender and the receiver are active at
the same time (e.g. telephone conversation)
Asynchronous communications - ANSWERSThe sending and receiving occur at different times (e.g. text
messages)
Types of communications by number of receivers - ANSWERSBroadcast
Multicast
Point-to-Point
*Broadcast - ANSWERSInvolves a single sender and many receivers (e.g. radio and television)
*Multicast - ANSWERSMany receivers, but the intended recipients are not the whole population (e.g.
magazines)
*Point-to-Point - ANSWERSOne specific sender and one specific recipient (e.g. text messages and phone
calls)
Client / Server Structure - ANSWERSMost Internet interactions use this protocol. (Your computer is the
client and the computer, which the Web page is stored, is the server computer)
IP Addresses - ANSWERS(Internet Protocol Address) A sequence of four numbers separated by dots. Each
computer connected to the Internet has one of these unique addresses (range= 256^4)
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