Midterm (1) Flashcards
What is binary 1101 expressed as a decimal?
13
What is an operating system?
Software which allows the computer to interact with the user.
What is a computer program?
A program is a list of commands to a computer.
What is a computer programming language?
A set of rules and conventions for making computer instructions.
What makes a programming language “higher” than another?
A programming language is “higher” than another if the language allows you to be more human-like and allows you to do more in one step/command.
What is an IDE?
Integrated Development Environment – a tool to create and run programs.
True or False: Computer languages are unambiguous.
True
What is a path variable?
Lists of folders/locations which the computer uses to search for things.
What was the first computer, the eniac, developed to do?
Calculate artillery firing tables for the U.S. Army research lab.
What is volatile/random access/RAM memory?
Places in the computer to hold information likely to get reset/lost when the program that uses it stops, and certainly will when the computer is turned off, e.g. temporary memory space.
What is a drive?
A secondary storage device which can be inside/outside the computer, holds data in a non-volatile (“permanent”) way.
A molecule of water is to water what a ______ of memory is to memory.
bit
If there are 12 months in a year, how many bits of memory would be required to represent a month?
At least 4 in order to express the number 12, which is 1100 in binary (4 digits = 4 bits)
What is 12 decimal written as binary?
1100
What is binary 101 in decimal?
5
What is 7 decimal written as binary?
111
