"Step index" refers to which of the following?
A) The abrupt change in the refractive index for the core
B) The abrupt change in the graded index from core to cladding
C) The abrupt change in the graded index for the core
D) The abrupt change in the refractive index from core to cladding
D
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_____ is a unique number stored on a phone's SIM card
Fill in the blank(s) with correct word
Match each item with a statement below.
A. a file used to manage random access devices that handle blocks of data B. an I/O management file in UNIX/Linux used to handle byte-by-byte streams of data C. a file used in UNIX and Linux for managing I/O devices D. a high-quality visual standard for connecting flat-panel LCD displays E. a digital interface standard that is projected to replace HDMI and other interfaces for computers F. used to measure the resolution of a printer G. a digital signature that Microsoft incorporates into driver and system files H. a channel within the computer that is used for communications with the CPU I. a range of memory addresses used to temporarily store data that is transferred between a computer device or component and the CPU J. a unit used to measure the resolution of a display screen