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AP Computer Science Exam Questions and Answers
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AP Computer Science Exam Questions and Answers
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AP Computer Science Exam Questions and AnswersWhat advantages do computers have over humans? - Answer -Faster, more accurate, better memory
Many so-called computer errors are caused by: - Answer -sloppy data entry
How does Morse Code work? - Answer -It uses short and long signals, representing dots and dashes
How does the binary system used by a computer work? - Answer -It uses 1s and 0s, representing electrical current that is on or off
Which of the following describes ASCII? - Answer -It uses 1 byte to store a character and is used by many programming languages
Which of the following describes Unicode? - Answer -It uses 2 bytes to store a character
and is used by Java
How BITs are in a byte? - Answer -8
What number system do people in America use? - Answer -Base-10 (decimal)
What number system does the computer use to process information? - Answer -Base 2 (binary)
What did early computers use to store each bit? - Answer -A vacuum tube
Characteristics of early computers - Answer -very large, programmed by people switching wires, used vacuum tubes
Characteristics of modern computers - Answer -small enough to fit on a desk, programmed with languages like Java, use microchips
In computers, the main circuit board with all the primary computer components is called the - Answer -motherboard
Types of computer chips - Answer -Ram, Rom, Cpu Which of the following stores permanent information and is not erased when the computer is turned off - Answer -Rom
Which of the following stores temporary information and is erased when the computer is
turned off - Answer -Ram
Which is of the following is the brains of the computer - Answer -Cpu
How many bytes are in a megabyte - Answer -1 million
How many bytes are in a terabyte - Answer -1 trillion
How many bytes are in a kilobyte - Answer -1000
How many bytes are in a gigabyte - Answer -1 billion
Information on a disk or tape is stored magnetically by arranging iron oxide which most people call... - Answer -rust
Which of the following stores/retrieves information using laser light - Answer -CD-Rom
A _______ is a sequence of instructions, which enables a computer to perform a desired task - Answer -program
What language is understood by the computer - Answer -Machine code
Which language is made up of 1s and 0s - Answer -Machine code
Which language will you be learning in APCS - Answer -Java
Which language was created by Grace Hopper for the business community and the armed forces - Answer -COBOL
Which language was the first successful programming language - Answer -FORTRAN
Which language was designed for mathematicians, scientists, and engineers? - Answer -FORTRAN
Which language added OOP to the existing language C? - Answer -C++
Which language was developed at Bell Labs as its improved version of B? - Answer -C
Which language is platform independent? - Answer -Java
Which language was the first to be used in personal computers? - Answer -BASIC Which language was designed by Nicholas Wirth specifically for the purpose of teaching
Computer Science? - Answer -Pascal
Which of the following translates a program one-line-at-a-time during execution? - Answer -Interpreter
Which of the following translates the entire program first into an executable file before execution? - Answer -Compiler
Most modern languages today use.... - Answer -interpreter
Which translators are used by Java - Answer -Interpreter, compiler, assembler
Monitors, printers, disk drives, and the computer itself are all examples of - Answer -
Hardware
Mas OSX, windows vista, windows 7, and UNIX are all examples of - Answer -System software
Word, powerpoint, and excel are all examples of - Answer -Application software
Which of the following is a small network where all of the computers are considered equal - Answer -peer to peer
Which of the following networks has at least one dedicated computer to handle services
like logging on, network printing, and file sharing - Answer -client server
Copying a file to a USB jump drive and then handing it to a friend for him to copy to his computer is an example of - Answer -Sneakernet
The connection of all the networks in the world is called the - Answer -internet
Advantages of an intranet - Answer -more speed, more security, less cost
How have computers changed over the past 70 years - Answer -smaller, faster, easier to use, less expensive
What motivated the creation of the internet - Answer -The Department of Defense during the Cold War
With ______ information it is always possible to make a precise copy of the original - Answer -digital
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