CSCI 1301 Exam 1-UGA Questions With
Revised Answers
Hardware - answer✔✔The physical components of a computer.
Software - answer✔✔written programs or procedures or rules and associated documentation
pertaining to the operation of a computer system and that are stored in read/write memory
main memory - answer✔✔holds current memory, volatile (goes away)
auxiliary memory - answer✔✔exists once the computer turns off (hard drive)
input - answer✔✔keyboard, mouse, etc.
output - answer✔✔monitor, printer, etc.
RAM - answer✔✔Random Access Memory - is the main memory, and the hard drive is the
principal
CPU - answer✔✔(Central Processing Unit) The key component of a computer system, which
contains the circuitry necessary to interpret and execute program instructions
1 bit - answer✔✔smallest unit
4 bits - answer✔✔nibble
8 bits - answer✔✔1 byte
1,000 bytes - answer✔✔1 KB
1 million bytes (1,000 kilobytes) - answer✔✔1 MB
1 billion bytes (1,000 megabytes) - answer✔✔1 GB
bytes in larger units are ____ - answer✔✔files
Files are organized into ____ - answer✔✔folders or directories
machine language - answer✔✔(what the computer understands)- is a "low-level language" which
is binary (01001101)
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"high-level language" - answer✔✔A programming language like Java that is designed to be easy
for humans to read and write.
JVM - answer✔✔Java Virtual Machine, an interpreter for compiled Java bytecodes - translates
and runs the Java bytecode
OOP - answer✔✔Object-Oriented Programming- views a program as similarly consisting of
objects that can act alone or interact with one another
Encapsulation - answer✔✔packages and hides details
Polymorphism - answer✔✔allows the same program instruction to mean different things in
different contexts - one method name causes many different actions
Inheritance - answer✔✔is the way of organizing classes
code HelloWorld - answer✔✔public class HelloWorld{
public static void main(String[] args){
System.out.print("Hello World");
}
}
Variable(s) - answer✔✔store data and/or values
data types - answer✔✔say what the variable is storing
int - answer✔✔whole numbers
double or float - answer✔✔decimals
char - answer✔✔characters (letters)
boolean - answer✔✔true or false
string - answer✔✔words/phrase
primitive types - answer✔✔int, char, double/float
constants - answer✔✔variables that next change in your code - written as:
final int thisNumber = 4;
or