The document discusses various topics related to electrical and electronic engineering including types of circuit control components, methods of producing voltage, parts of a cell, types of circuit protection, frequency meters, speeds of light, types of filters, printer technologies, atomic weights, rectifier efficiencies, CPU sections, cable bending radii, IEEE standards, types of batteries, light wavelengths, wireless networking standards, resistivity ranges based on material type, and battery charging methods.

1. Types of circuit control
Switches
Solenoid
Relays
Antenna
Hertz Above 2MHz
Marconi Below 2MHz
Baseband Frequency (MHz)
Group 60-108
Super group 312-552
L600 60-2788
U600 564-3084
Methods of producing voltage
Pressure Friction
Heat Heat
Chemical action Magnetism
Parts of a cell
Electrolyte
Container
Electrodes
Circuit protection
Fuse
Circuit Breaker
Type of Ω-meter
Series
Shunt
Type of Frequency meter
Vibrating Reed
Moving Disk
Speed of Light
186,000 miles/sec
300,000,000 m/s
Pentavalent Trivalent
Bismuth Boron
Arsenic Indium
Phosphorous Gallium
Antimony Aluminum
- low freq high freq
Capacitor open short
Inductor short open
General type of filters
Low-pass Band-pass
High-pass Band-reject
Signal Period
Half-Wave 16.7 ms
Full-Wave 8.3 ms
Printer used for PC
Daisy-wheel Ink jet
Dot-matrix Laser
Atomic Weight
Germanium 72.6
Silicon 28.09
Rectifier Ave DC value
Max Rectification
efficiency
Half wave 0.318 Vp 40.60%
Full wave 0.636 Vp 81.20%
Pulse Edge
Left Side Leading
Right Side Trailing
CPU Sections
Control section
Internal Storage
Arithmetic Logic section
Instructions in control section
Control Arithmetic
Logic Transfer
Cables Max Bending
Non-Metallic 5 x diameter
Metallic 7 x diameter
IEEE standard
Cell type Anode Cathode Electrolyte
Lead-Acid Lead Peroxide Sponge Lead Sulfuric acid and Water
Nickle Cadium Hydroxide Cadmium Hydroxide Potassium Hydroxide and water
Silver-Zinc Silver-Oxide Zinc Potassium Hydroxide and water
Silver Cadium Silver-Oxide Cadmium Hydroxide Potassium Hydroxide
Ultraviolet light 10 nm - 390 nm too short to be seen
Visible Light 390nm- 770 nm human eye will respond
Infrared Light 770 nm -106
nm too long to be seen
802.1 Higher layer LAN protocols
802.2 Logical link control
802.3 Ethernet
802.4 Token bus
802.5 Token Ring
802.6 Metropolitan Area Networks
802.7 Broadband LAN using Coaxial Cable
802.8 Fiber Optic TAG
802.9 Integrated Services LAN
802.10 Interoperable LAN Security
802.11 Wi-Fi
802.12 demand priority
802.13 (not used)
802.14 Cable modems
802.15 Wireless PAN
802.15.1 Bluetooth
802.15.4 ZigBee
802.16 WiMAX
802.16e (Mobile) Broadband Wireless Access
802.17 Resilient packet ring
802.18 Radio Regulatory TAG
802.19 Coexistence TAG
802.20 Mobile Broadband Wireless Access
802.21 Media Independent Handoff
802.22 Wireless Regional Area Network
- Resistivity
Valence
electrons
Conductor 10-8
to 10-4
Ω-cm 1
Semiconductor 10 - 109
Ω-cm 4
Insulator 109
- 1045
Ω-cm 8
Initial Charge Long low-rate charge
Normal Charge Restore the battery to its charged condition
Equalizing Charge Special extended normal charge
Floating Charge Keep battery at full charge while battery is idle
Trickle Charge Accomplished with low current
Fast Charge Recharge in short time
Under Damped Overshoot
Over Damped No-overshoot
Critically Damped Exact value