CWEA E/I LEVEL 3 EXAM ACTUAL EXAM 2026 | ALL
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) | UPDATED VERSION
Which element makes a programmable logic controller system flexible?
a. Memory.
b. I/O.
c. Program.
d. Power supply. ---------CORRECT ANSWER-----------------c. Program.
Local I/O expansion involves the addition of:
a. a second processor.
b. a shift register.
c. data-handling capabilities.
d. I/O points within the rack. ---------CORRECT ANSWER-----------------d.
I/O points within the rack.
A major cause of problems in multi-layer printed circuit boards is:
a. age.
b. corrosion.
,c. interlayer separation.
d. overheating. ---------CORRECT ANSWER-----------------c. interlayer
separation.
A software problem that causes incorrect results is called a:
a. bug.
b. crash.
c. glitch.
d. spike ---------CORRECT ANSWER-----------------a. bug.
The CPU of a microcomputer is a(n):
a. ALU.
b. microcontroller.
c. microprocessor.
d. printed circuit assembly. ---------CORRECT ANSWER-----------------c.
microprocessor.
Where is a computer's start-up program usually stored?
a. In RAM
b. In ROM
, c. On disk
d. On magnetic tape ---------CORRECT ANSWER-----------------b. In ROM
How many signal conditions can digital I/O devices have?
a. One
b. Two
c. Eight
d. An infinite number ---------CORRECT ANSWER-----------------b. Two
A CDU (Command and Display Unit) computer screen that senses finger
pressure is:
a. a digitizer.
b. an intelligent terminal.
c. a scanner.
d. a touch screen. ---------CORRECT ANSWER-----------------d. a touch
screen.
The frame, the core, the winding, and the end plates are all parts of
the:
a. rotor.
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) | UPDATED VERSION
Which element makes a programmable logic controller system flexible?
a. Memory.
b. I/O.
c. Program.
d. Power supply. ---------CORRECT ANSWER-----------------c. Program.
Local I/O expansion involves the addition of:
a. a second processor.
b. a shift register.
c. data-handling capabilities.
d. I/O points within the rack. ---------CORRECT ANSWER-----------------d.
I/O points within the rack.
A major cause of problems in multi-layer printed circuit boards is:
a. age.
b. corrosion.
,c. interlayer separation.
d. overheating. ---------CORRECT ANSWER-----------------c. interlayer
separation.
A software problem that causes incorrect results is called a:
a. bug.
b. crash.
c. glitch.
d. spike ---------CORRECT ANSWER-----------------a. bug.
The CPU of a microcomputer is a(n):
a. ALU.
b. microcontroller.
c. microprocessor.
d. printed circuit assembly. ---------CORRECT ANSWER-----------------c.
microprocessor.
Where is a computer's start-up program usually stored?
a. In RAM
b. In ROM
, c. On disk
d. On magnetic tape ---------CORRECT ANSWER-----------------b. In ROM
How many signal conditions can digital I/O devices have?
a. One
b. Two
c. Eight
d. An infinite number ---------CORRECT ANSWER-----------------b. Two
A CDU (Command and Display Unit) computer screen that senses finger
pressure is:
a. a digitizer.
b. an intelligent terminal.
c. a scanner.
d. a touch screen. ---------CORRECT ANSWER-----------------d. a touch
screen.
The frame, the core, the winding, and the end plates are all parts of
the:
a. rotor.
