External Hardware Flashcards
Name parts of a barcode reader
Laser, lens, photodiodes, mirror
Which parts of a laser printer heat the paper, fixing
the toner to the page?
Fusers
Which technology is used for transferring
information wirelessly between a tag and a reader?
Radio frequency identification (RFID)
What type of diagrams, consisting of light and dark
portions, contain information that can be read by a
computer?
Barcodes
Which type of RFID tag can be read from many
meters away: active or passive?
Active
In a hard-disk drive, what is mounted at the end of
an actuating arm?
The read/write head
For what do the letters CMOS stand?
Complementary metal oxide
semiconductor
Which form of secondary storage is best suited for
use in phones and tablets?
Solid-state drives (SSDs)
Name one way of increasing the capacity of a
hard-disk drive without altering its overall size
- Adding more platters
- Decreasing the width of tracks
Which part of a digital camera regulates the path of
light between the lens and the sensor?
The shutter
Which form of secondary storage has very high read
and write speeds?
Solid-state drives (SSDs)
What type of memory cells are used in solid-state
drives?
NAND flash memory cells
Name the two parts of a passive RFID tag
- Chip
- Antenna
Name two characteristics that makes SSDs suitable
for use in portable devices
- No moving parts
- Low power consumption
- Lightweight
Which type of secondary storage has just one
continuous track?
Optical disks
