AP Computer Science Exam UPDATED
ACTUAL Questions and CORRECT
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
ACTUAL Questions and CORRECT
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
