L6 Unit 2

Which of the following secondary storage devices use pits and lands?

• HDD

• SSD

• DVD

• CD

Which of the following disk-based storage devices use concentric circles to store information?

• CD-R

• HDD

• DVD-RAM

• DVD-R

Which device tends to have the largest storage capacity?

• CD-ROM

• DVD-ROM

• Blu-ray

• SSD

Which storage device uses trapped electrons?

• DVD

• CD

• HDD

• SSD

T/F: individual NAND cells can be written to.

• T

• F

Alongside the matrix of floating gates, an SSD needs another component called the ......

Which of the following is made of black and white lines of varying widths?

• QR code

• RFID tag

• 2D barcode

• linear barcode

A 2D barcode might be a QR code. QR stands for ... ...

For digital cameras, which of the following produces higher quality (but consume more power)?

• CDC

• CCD

• CMOS

• MOSFET

Which are the primary colours when capturing or displaying colour on a monitor?

• red

• green

• cyan

• magenta

• blue