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