GAS CHROMATOGRAPHY QUIZ

Names, numbers, and other information needed to solve a problem are called _____

program

instruction

controls

data

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

The digits used in a binary number system are _ and _

0 and 1

9 and 0

1 and 2

3 and 4

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

For what logic gate the outputs in complement of the input?

AND

OR

None of these

XOR

NOT

TRUE ANSWER : ?
YOUR ANSWER : ?

The Gray code for decimal 7 is

100

None of these

111

1011

101

TRUE ANSWER : ?
YOUR ANSWER : ?

A p- channel enhancement type MOSFET performs much the same function as a PNP transistor, except that

it is considerably larger

it is controlled by voltage rather than by current, so that it requires very little current at the control terminal

it is controlled by current rather than by voltage like a bipolar transistor.

None of these

it operates much faster

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following boolean algebra statements represent commutative law

(B+C)(A.B)+(A.C)

(A+B)+CA+(B+C)

None of these

A+BB+A

A+AA

TRUE ANSWER : ?
YOUR ANSWER : ?

The reduced form of the Boolean expression (A+B)(A+C) is:

A+BC

None of these

AB+AC

AC+B

A+B+C

TRUE ANSWER : ?
YOUR ANSWER : ?

How many bits are required to encode all twenty six letters ten symbols, and ten numerals?

5

6

2

3

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which logic family dissipates the minimum power?

TTL

None of these

ECL

CMOS

DTL

TRUE ANSWER : ?
YOUR ANSWER : ?

The number of two-input NAND gates required to produce the two-input OR function is

2

4

3

1

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?