Lesson+1

Lesson 1

1) Linux is an operating system based on the Linux Kernel. 2) Unix is an open source operating system founded by a group of AT&T employees. 3) Open source software is defined as computer software that alows you to modify the program as you see it. 4) The movemt started in 1983 5) Proprietary software is any computer software that the source code and other rights are reserved for copyright holders. 6) The kernal is the central component for most operating system. 7) A distro is a similar operating system built on top of the linux kernal. 8) Distribution 9) Ubunto, Fedora, Mint, open SUSE, Mandriva 10) Puppy is a live linux distribution focused on easy of use. [|Convert the following numbers and characters to binary:] and //RECORD THE CONVERSION for each://
 * 1) When was the first computer created and for what purpose? The first computer was made in 1936 for a basic calculator for adding and subtracting.
 * 2) When were large mainframe computers introduced? The first large mainframe computer was introduced in 1951.
 * 3) When did Tandy introduce the first home personal computer (PC)? The first home personal computer was made in 1970.
 * 4) When did IBM introduce the first home personal computer (PC)? IBM introduce the first home computer in 1984
 * 1) a=01100001
 * 2) A= 01000001
 * 3) b =01100010
 * 4) B =01000010
 * 5) 1 =00110001
 * 6) 10 =00110000
 * 7) 100 =001100010011000000110000
 * 8) 1.5 =001100010010111000110101
 * 9) $ =00100100
 * 10) @=01000000

> 1.4 1GL- Machine language 2GL- Assembler language 3GL- "High Level" programming language 4GL- Closer to natural language 5GL- Source language List the 5 stages of software development. 1. Analysis 2. Design 3. Implementation 4. Testing 5. Maintenace Around the 1970s. Name 3 object-oriented languages. Smalltalk, Eiffle, Ruby
 * 1) Define non-volitile memory and give an example. Non-volitile memory is memory that can be retain information even when not powered. An example would be a flashdrive.
 * 2) Define volitile memory and give and example. Volitile memory is memory that cannot be accesed when not powered.
 * 3) How is data stored in computer memory? The computer uses magnets to store information in binary onto the hard drive
 * 1) Object-oriented languages started to be developed in what decade?