Questions and Answers 100% Correct
(verified)
• What are the two main types of software -✓✓System software and application
software
• What is system software -✓✓Software that manages hardware and provides a
platform for application software
• What is the most essential type of system software -✓✓Operating system OS
• Examples of operating systems -✓✓Windows macOS Linux Android
• What does an operating system do -✓✓Provides user interface manages memory
manages processes manages devices manages files provides security supports
networking
• What is memory management -✓✓Allocating memory space to programs and
preventing interference
• What is process management -✓✓Managing execution of programs and multitasking
• What is device management -✓✓Controlling hardware using device drivers
• What is file system management -✓✓Organizing and controlling access to stored files
• What is application software -✓✓Software designed to help users perform specific
tasks
• Examples of general purpose software -✓✓Excel Word Google Docs PowerPoint
• Examples of specific purpose software -✓✓Payroll system accounting software
inventory system
• What is machine language -✓✓Binary language 0s and 1s understood by the CPU
• What is assembly language -✓✓Low level language using symbolic instructions
• What is high level language -✓✓Programmer friendly language like Python and Java
, • Why do we need a compiler or interpreter -✓✓Because the CPU only understands
machine binary language
• What is open source software -✓✓Software whose source code is publicly available to
study and modify
• Example of open source operating system -✓✓Linux
• What is proprietary software -✓✓Software owned by a company with restricted access
to source code
• What is software piracy -✓✓Illegal copying of proprietary software
• What does ERP stand for -✓✓Enterprise Resource Planning
• What does ERP software do -✓✓Integrates business functions like finance HR supply
chain and sales
• What is hardware -✓✓Physical components used for input processing output and
storage
• What does the CPU do -✓✓Manipulates data and controls tasks of other components
• What is primary storage -✓✓Temporary memory used during processing
• Four types of primary storage -✓✓Registers Cache RAM ROM
• What are registers -✓✓Small memory inside CPU storing data immediately before and
after processing
• What is cache memory -✓✓High speed memory close to CPU storing frequently used
data
• What is RAM -✓✓Volatile memory holding programs and data during processing
• What is ROM -✓✓Nonvolatile memory storing critical instructions
• What is secondary storage -✓✓Long term storage for data and programs
• Examples of secondary storage -✓✓HDD SSD magnetic tape optical storage flash
memory
• SSD vs HDD -✓✓SSD is faster and more reliable with no moving parts HDD is
cheaper slower and has moving parts