Starting Out with Programming Logic and Design (4th Edition)
4th Edition
ISBN: 9780133985078
Author: Tony Gaddis
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 1MC
The _________ is the part of a computer with which the user interacts.
- a. central processing unit
- b. user interface
- c. control system
- d. interactivity system
Expert Solution & Answer
Program Description Answer
The user interface is a part of computer system through which the user and computer interact with one other using the hardware devices or commands
Hence the correct answer is option “B”.
Explanation of Solution
User interface:
The interaction between the user and the computer is provided by a facility in the operating system (OS) known as user interface. It is an important function of the OS.
There are three types of user interface; they are,
- Graphical User Interface (GUI)
- Menu-driven user interfaces
- Command-line user interfaces
GUI (Graphical User Interface):
- It is the most popular user interface design in use, which uses graphics and mouse click events to make the programs easier to use for the users.
- Desktop is the screen image that helps the user to work in the computer in a user-friendly environment.
Menu-driven user interfaces:
- The users need not memorize the keywords and commands that are used in the computer in menu-driven user interfaces.
- It is operated using text-based file menus in the screen instead of using commands.
- All the options are displayed on-screen at a given point of time; the user can select an option using the arrow keys and press enter in the keyboard.
- Nowadays, the operating systems use both menu-driven and graphical user interfaces.
Command-line user interfaces:
- Commands are used to instruct the operating system to perform the required operations.
- The commands are needed to be memorized by the user, so it is not popular with the users.
Explanation for incorrect options:
Central Processing Unit:
CPU (Central Processing Unit) is a part of computer that acts as the brain of the computer.
Hence, the option “A” is wrong.
Control System:
Control system is used to manage the external devices that are connected to the system.
Hence, option “C” is wrong.
Interactivity System:
Interactivity systems are used in managing the batch process or background process that is executed behind the user without any action being performed.
Hence, the option “D” is wrong.
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Chapter 15 Solutions
Starting Out with Programming Logic and Design (4th Edition)
Ch. 15.1 - What is a user interface?Ch. 15.1 - How does a command line interface work?Ch. 15.1 - Prob. 15.3CPCh. 15.1 - Prob. 15.4CPCh. 15.1 - Prob. 15.5CPCh. 15.2 - Prob. 15.6CPCh. 15.2 - In an IDE that allows you to visually construct a...Ch. 15.2 - Prob. 15.8CPCh. 15.2 - Prob. 15.9CPCh. 15.2 - Prob. 15.10CP
Ch. 15.3 - Prob. 15.11CPCh. 15.3 - Prob. 15.12CPCh. 15.3 - Look at the following pseudocode and then answer...Ch. 15 - The _________ is the part of a computer with which...Ch. 15 - Before GUIs became popular, the _____ interface...Ch. 15 - Prob. 3MCCh. 15 - A type of program that is typically event-driven...Ch. 15 - An item that appears in a programs graphical user...Ch. 15 - By specifying characteristics such as color, size,...Ch. 15 - An _____ is an action that takes place within a...Ch. 15 - A(n) _____ is a module that automatically executes...Ch. 15 - Many computer users, especially beginners, find...Ch. 15 - Writing a GUI program today is complex and time...Ch. 15 - A components Text property typically holds string...Ch. 15 - Predefined names are given to all of the events...Ch. 15 - A user interface flow diagram shows how a GUI...Ch. 15 - Prob. 1SACh. 15 - What determines how a component appears on the...Ch. 15 - Prob. 3SACh. 15 - Prob. 4SACh. 15 - Prob. 5SACh. 15 - Design an event handler that will execute when the...Ch. 15 - Design an event handler that will execute when the...Ch. 15 - Name and Address Design a GUI program that...Ch. 15 - Latin Translator Look at the following list of...Ch. 15 - Miles-per-Gallon Calculator Design a GUI program...Ch. 15 - Celsius to Fahrenheit Design a GUI program that...Ch. 15 - Property Tax A county collects property taxes on...
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