Definitions [2]
Define Security
The term security is defined as “Secure systems will control, through use of specific security features, access to information that only authorized individuals or processes operating on their behalf will have access to read, write, create or delete.”
With reference to process management, explain the term:
External Priority
The user specifies the priority externally at the time of initiating the process. If the user does not specify any priority, operating system assumes a default priority for that. If the job is too urgent, system manager permits the process at a higher priority.
Concepts [33]
- Classification of Computers
- Basics of Computer and Its Operation
- Functional Components and Their Interconnections
- Concept of Booting
- Types of Software - System Software, Utility Software and Application Software
- Basics of Operating System (OS)
- Compiler
- Interpreter and Assembler
- Need for Operating System
- Functions of Operating System
- Ubuntu is One of the Most Popular GNU/Linux Distributions
- Commonly Used Operating System - UNIX, LINUX, Windows, Solaris, BOSS (Bharat Operating System Solutions)
- Mobile OS - Android, Symbian, IOS
- Anti Virus
- File Management Tools
- Compression Tools
- Disk Management Tools - Disk Cleanup, Disk Defragmenter, Backup
- Open Source Software
- Freeware
- Shareware
- Proprietary Software
- Office Tools - Word Processor, Presentation Tool, Spreadsheet Package, Database Management System
- Domain Specific Tools - School Management System, Inventory Management System, Payroll System, Financial Accounting, Hotel Management, Reservation System and Weather Forecasting System
- Number System - Binary, Octal, Decimal, Hexadecimal and Conversion Between Different Number Systems
- Internal Storage Encoding of Characters - ASCII, ISCII (Indian Scripts Standard Code for Information Interchange), and UNICODE (For Multilingual Computing)
- Microprocessor - Basic Concepts, Clock Speed (MHz, GHz), 16 Bit, 32 Bit, 64 Bit, 128 Bit Processors
- Types of Microprocessors - CISC Processors (Complex Instruction Set Computing)
- Types of Microprocessors - RISC Processors (Reduced Instruction Set Computing)
- Types of Microprocessors - EPIC (Explicitly Parallel Instruction Computing)
- Memory Concepts - Units (Byte, Kilo Byte, Mega Byte, Giga Byte, Tera Byte, Peta Byte, Exa Byte, Zetta Byte, Yotta Byte)
- Primary Memory
- Secondary Memory Unit (Secondary Storage Devices)
- Input Output Ports/ Connections - Serial, Parallel and Universal Serial Bus, PS-2 Port, Infrared Port, Bluetooth, Firewire
