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Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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answer for question 8 only please

When reading data in from the keyboard in Java, O a. use the cin iostream O b. use the System.in stream O C. use the System.out stream O d. use a File O e. None of the above QUESTION 7 When operating on files in Java, O a. Java has libraries, or packages, with tools such as PrintWriter and Scanner O b. has built-in error control, and try and catch blocks are never needed O C. relies heavily on the System.in stream O d. never has to have the file closed O e. None of the above QUESTION 8 Computer Graphical Displays shows the mouse cursor, icons, images, and even 3D models move across the screen. This is because O a. in a liquid crystal display, the actual cells of the screen move beneath the glass O D. the screen is refreshed, like a cartoon animation, updating faster than the human eye can see. O C. each obiect on the screen is connected to a different core on the main processor chip O d. each object on the screen is connected to a file on the hard drive. O e. None of the above
Transcribed Image Text:When reading data in from the keyboard in Java, O a. use the cin iostream O b. use the System.in stream O C. use the System.out stream O d. use a File O e. None of the above QUESTION 7 When operating on files in Java, O a. Java has libraries, or packages, with tools such as PrintWriter and Scanner O b. has built-in error control, and try and catch blocks are never needed O C. relies heavily on the System.in stream O d. never has to have the file closed O e. None of the above QUESTION 8 Computer Graphical Displays shows the mouse cursor, icons, images, and even 3D models move across the screen. This is because O a. in a liquid crystal display, the actual cells of the screen move beneath the glass O D. the screen is refreshed, like a cartoon animation, updating faster than the human eye can see. O C. each obiect on the screen is connected to a different core on the main processor chip O d. each object on the screen is connected to a file on the hard drive. O e. None of the above
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