1.2.2 Applications Generation

Question 1

application software

Answer 1

they help boost productivity

Question 2

types of software

Answer 2

-application
-system (OS and utility)

Question 3

types of applications

Answer 3

-generic: word processor, spreadsheet, web browsing, email
-specific: database

Question 4

utility software examples

Answer 4

-defragmentation
-file management
-file repair
-compression
-anti malware
-device driver
-backup

Question 5

open source

Answer 5

anyone without a license can access it

Question 6

closed source

Answer 6

requires an appropriate license to use

Question 7

translator

Answer 7

-interpreter
-compiler
-assembler

Question 8

interpreters

Answer 8

translate and execute code line by line

Question 9

compilers

Answer 9

translate all the code at once

Question 10

assemblers

Answer 10

convert object code to machine code
(low-level)

Question 11

stages of compilation

Answer 11

1. Lexical analysis
2. Syntax analysis
3. code generation
4. code optimisation

Question 12

linkers

Answer 12

Software that links external modules and libraries included within the code

putting address in external call so that external libraries are linked
the code can be separately compiled

-static
-dynamic

Question 13

loaders

Answer 13

part of the os that loads the machine code into memory(RAM) to be run

Question 14

libraries

Answer 14

pre-built and pre-tested programs that can be run when needed