【单选题】Which of the following is a function of the control unit?
A.
It provides pathways that support communication among the various electronic components.
B.
It directs the movement of electronic signals between memory and the arithmetic-logic unit.
C.
It performs fundamental math operations like addition, subtraction, and so on.
D.
It uses the logic to compare two pieces of data.
【单选题】A unit of CPU that decodes each instruction and turns it into a series of control signals is called ( ).
【单选题】The unit of measure for FET transconductance ( ) is ___C____.
【单选题】A complete computer system contains(74)。
A.
arithmetic unit, control unit and memory
B.
input/output devices and mainframe
C.
mainframe. and programs of utility
D.
hardware system and software system
【单选题】The unit of measure for FET transconductance is ( ).
【单选题】[单选题]国标规定螺纹的牙顶用_____。