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APCSA MULTIPLE CHOICE FINAL QUESTINS

AP COMPUTER SCIENCE EXAM QUESTIONS & ANSWERS

AP COMPUTER SCIENCE PRACTICE EXAM A

AP COMPUTER SCIENCE A UNIT 1 EXAM

Physical Network - Physically connecting devices to one another so that information can move through the network. IP: Internet Protocol - Uniquely identifying people on the internet and routing messages between them. TCP: Transmission Control Protocol - Send large messages over the Internet when accuracy is most important. UDP: User Datagram Protocol - Send large messages over the Internet when speed is most important. DNS: Domain Name System - Translate human-readable domains like or ...

Overflow - error that results when the number of bits is not enough to hold the number, like a car's odometer "rolling over" Round-off - error that results when the number of bits is not enough to represent the actual number, like 3 digits to represent π as 3.14 Lossy - Compressing data in a way that throws some data away and makes it almost impossible to recover the original Lossless - Compressing data in a way that preserves all data away and allows full recovery of the origin...

What is the lowest base in which the number 10 could be a valid number? - Binary Consider the following three binary numbers: 01010 010000 1110 Which of the following lists the numbers in order from least to greatest? - 01010, 1110, 010000 A middle school is expanding to open a high school next year, doubling the total number of students. The school keeps a database in which each student's unique ID number is stored as an 8 bit number called studentID. Before the arrival of the new s...

solution? A)A parallel computing solution may not be appropriate for an algorithm in which each step requires the output from the preceding step. (B)A parallel computing solution may not be appropriate for an algorithm in which the same formula is applied to many numeric data elements. (C)A parallel computing solution may not be appropriate for an algorithm that can be easily broken down into small independent tasks. (D)A parallel computing solution may not be appropriate for an algorithm...

Inheritance is the process of sharing methods and instance variables between a base class and its subclasses (T/F). - True The name of the text file with Java source code must match the name of the program with a .class extension (T/F). - False Both for loops and while loops can be used as count-controlled loops (T/F). - True It is illegal to declare several variables in a single declaration, i.e. int a, b, c; - False m++, m=m+1, and m+=1 are all equivalent expressions (T/F). - True The a...