1.1 laptop hardware Flashcards
- The power source when unplugged
– May be easily replaced or require a tear down
– Five minutes vs. one hour - Lithium-Ion (Li-ion) and
– Lithium-Ion polymer (LiPo) are common
– No “memory effect”
– Charging the battery diminishes capacity - Different form factor for each laptop
– Battery types and styles can vary
– Battery technology is changing constantly
Battery
The most-used component of the laptop
– Can be easy to replace
– A few screws and a single ribbon cable
– May not always be this simple
* Or connect an external USB keyboard
– Not very portable, but works in a pinch
Labtop Keyboard.
Memory used in laptops and mobile devices
– Often easy to install and replace
* Some laptop memory is soldered to the system board
– No upgrade available
– Requires a full system board replacemen
Small Outline Dual In-line Memory Module (SO-DIMM)
Traditional spinning drive platters
– 2.5 form factors (3.5 inch for desktops)
Magnetic Disk (HDD).
All memory, no moving parts
– Silent, fast access time, less latency
– 2.5 inch form factors
SSD (Solid-state drive)
Smaller form factor
– No SATA data or power cables
– Easy to install and replace
M.2
– Local area network (LAN)
– High speed, Internet access
802.11
– Personal area network (PAN) - Short range
– Connect peripherals and other nearby devices
Bluetooth
- Sign in or unlock your laptop with a
fingerprint reader or face recognition
– Something you are - Requires additional configuration in the OS
– Hardware required for most options - Relatively secure
– Faces and fingerprints are quite unique
Biometrics
- Short-distance networking
– 4 centimeters or less
– Data transfers or authentication - Common on mobile phones and smart watches
– Payment method on your wrist - Use it for authentication without typing a password
– Hospital workstations, warehouses, manufacturing
Near-field communication (NFC)
