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Worksheets

Gates

Total questions: 14

Worksheet time: 28mins

Name
Class
Date
1.

The basic building blocks in a logic device are called digital logic (a)  

2.

The formula to determine the number of possible inputs combinations

a)

2n2^n  

b)

3n3^n  

c)

n2n^2  

d)

4n4^n  

3.

The N in the formula 2n2^n  represents the number of (a)  

4.

AND Gate produces a logic level ___ when all inputs are satisfied

a)

High

b)

Low

c)

Medium

d)

NAND

5.

Negated AND (NAND) Gates produce a logic level (a)   when all inputs are satisfied

6.

Which Gates only have one combination that will produce the desired output

a)

AND Gate

b)

NAND Gate

c)

OR Gate

d)

NOR Gate

7.

OR Gates produce a logic level (a)   when any input is satisfied (High)

8.

Negated OR (NOR) Gate produces a logic level ___ when any input is satisfied (High)

a)

Low

b)

High

c)

Medium

d)

Gnome

9.

Exclusive OR (XOR) Gate can only have ____ inputs and produces the desired logic level ____ output when the two inputs levels are different, but NOT when both input levels are the same

a)

2; High

b)

2; Low

c)

3; High

d)

3; Low

10.

Exclusive NOR (XNOR) Gate has only ___ inputs that produces the desired level ___ output when the two input logic levels are different, but NOT when both input logic levels are the same

a)

two; low

b)

two; high

c)

three; low

d)

three; high

11.

A type of logic circuit which is used to isolate (buffer) conventional gates from other circuits

a)

Buffer

b)

Inverter

c)

Gate

d)

Logic symbol

12.

The symbol shown is a(n)

(a)  

13.

The output state of an inverter is

a)

180 degrees out of phase

b)

90 degrees out of phase

c)

120 degrees out of phase

d)

in phase

14.

which of the following can a buffer NOT do

a)

Isolate conventional gates from other circuits

b)

Alter the signal

c)

match impedance of input and output devices

d)

imbue you with Gnome magic