Binary Decimal Hexadecimal Octal

Numbers Binary: Base 2 | 0 & 1 | 101012 Decimal: Base 10 | 0 to 9 | 2910 Octal: Base 8 | 0 to 7 | 125708 Hexadecimal: Base 16 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F | 19FDE16 Binary To Decimal Decimal To...

Hardware & Software

Hardware Physical components of a computer, which can be touched & seen. Input Device: Keyboard and mouse Output Device: Monitor and printer Secondary Storage Device: Hard disk, CD and DVD Internal Storage Device: CPU, motherboard and RAM Hardware & Software...

Network Layers

OSI stands for Open System Interconnection Layer 1: Physical connection [fiber, wireless, hubs] Layer 2: Frames [ethernet, PPP (Point-to-Point Protocol), switch, bridge] Layer 3: Packets [IP (Internet Protocol), ICMP (Internet Control Message Protocol), IPSec...