Podcast
Questions and Answers
Which number system uses base 16?
Which number system uses base 16?
- Binary
- Hexadecimal (correct)
- Decimal
- Octal
What is the main purpose of an Operating System?
What is the main purpose of an Operating System?
- To manage hardware resources only
- To perform mathematical calculations
- To provide a platform for running applications (correct)
- To act as a firewall against network attacks
Which of the following topologies connects all devices to a central hub?
Which of the following topologies connects all devices to a central hub?
- Ring Topology
- Bus Topology
- Star Topology (correct)
- Mesh Topology
What does ASCII stand for?
What does ASCII stand for?
Which component of a computer is primarily responsible for executing instructions?
Which component of a computer is primarily responsible for executing instructions?
Which of the following represents a type of IP address?
Which of the following represents a type of IP address?
What is the primary function of a router?
What is the primary function of a router?
Which mobile technology mainly relates to data transmission over cellular networks?
Which mobile technology mainly relates to data transmission over cellular networks?
What is the function of the International Mobile Equipment Identity (IMEI)?
What is the function of the International Mobile Equipment Identity (IMEI)?
What does the acronym OSI stand for in networking?
What does the acronym OSI stand for in networking?
Flashcards
Binary Number System
Binary Number System
A system that uses only two digits, 0 and 1, to represent all numbers. Think of it like a light switch, either on (1) or off (0).
Hexadecimal Number System
Hexadecimal Number System
A system that uses base-16, with digits 0-9 and letters A-F to represent numbers. Useful for representing large numbers more compactly.
Binary to Decimal Conversion
Binary to Decimal Conversion
The process of converting a binary number to its decimal equivalent, using powers of 2.
Motherboard
Motherboard
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Processor (CPU)
Processor (CPU)
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RAM (Random Access Memory)
RAM (Random Access Memory)
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Software
Software
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LAN (Local Area Network)
LAN (Local Area Network)
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WAN (Wide Area Network)
WAN (Wide Area Network)
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Router
Router
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Study Notes
Unit 1
- Introduction to binary, octal, decimal, and hexadecimal number systems
- Conversion between binary, decimal, and hexadecimal
- Representation of signed and unsigned binary numbers
- ASCII and UTF definitions
- Computer history and evolution
- Key computer terms
- Computer architecture
- Hardware and software
- Programming languages
- Compiler and interpreter
Unit 2
- Introduction to computer hardware components
- Motherboard, processor, memory, and storage devices
- Hardware and software
- Primary and secondary storage devices
- Networking components
- Understanding computer operating systems (OS)
- Booting process of computers
- Types of operating systems (Windows and Linux)
- OS architectures
- Introduction to file systems
Unit 3
- Definition of computer networks
- Digital and analog signaling methods
- Components of a computer network
- Network topology
- Types of networks (LAN, MAN, WAN)
- Routers and routing protocols
- Introduction to OSI and TCP/IP protocol suites
- Communication devices
- Different types of IP addresses and classes
- Subnet masks
- MAC addresses
- Introduction to websites and webpages
- Understanding firewalls, IDS, and IPS
- Introduction to network and internet-related crimes
Unit 4
- Introduction to mobile technologies
- Components of cellular networks (CDMA/GSM)
- Introduction to different mobile devices
- Hardware characteristics of mobile devices
- Software characteristics of mobile devices
- Mobile operating system components
- Components of mobile phones
- International Mobile Equipment Identity (IMEI)
- Subscriber Identity Module (SIM)
- SIM files
- Introduction to smart phones
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