Computer Fundamental

Question 1

What is the difference between n-channel mosfet and p-channel mosfet?

Answer 1

N channel: when high input switched closed, low closed
P channel when high input switch open, low closed

Question 2

How is the difference between n Channel and p channel mosfet shown?

Answer 2

A circle in front of junction in n channel

Question 3

What is a relay?

Answer 3

A coil that when current is passed generates a magnetic field which move 1 or more switches

Question 4

How is a or gate represented?

Answer 4

> = 1 (Box shape 2 inputs)

Question 5

How is and gate represented?

Answer 5

& symbol (2 input)

Question 6

How is a not gate represented?

Answer 6

1 (box with 1 input)

Question 7

How is an xor gate represented?

Answer 7

=1 (2 inputs)

Question 8

What is Boolean algebra for or gate?

Answer 8

A + B

Question 9

What is Boolean algebra for and gate?

Answer 9

A.B

Question 10

What is de Morgan’s theorem?

Answer 10

Not(A) + Not B = Not (A.B)
Not A . Not B = Not(A+B)

Question 11

What is the disruptive law?

Answer 11

Operator outside bracket operates on both variables inside bracket
A + (B.C) = A+B . A+C
A . (B+C) = A.B + A.C

Question 12

What is the canonical form in Boolean algebra and what is a mini term?

Answer 12

Canonical form is an expression in which each input appears in each term
Minister is a term in a canonical equation

Question 13

How does binary represent decimal numbers?

Answer 13

Any number past decimal point is 2^-n

Question 14

What is a flag?

Answer 14

1 but binary number

Question 15

What’s a nibble?

Answer 15

Binary number with 4 bits

Question 16

What’s a byte?

Answer 16

8 bit number