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Digital Electronics Unit 1a

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

What are the symbols used to represent digits in the binary number system?

a)

0,1

b)

0 through 8

c)

0,1,2

d)

1,2

2.

The circuit schematic image above represents an:

a)

Resistor

b)

LED

c)

Transistor

d)

Diode

3.
Write in standard form: 
8 x 104
a)
8,000
b)
80,000
c)
.00008
4.
Which number is correctly written in scientific notation?
a)
5.67 x 105
b)
56.7 x 103
c)
0.567 x 106
5.
How would you write 4.3756 x 10in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
6.

A transistor is most closely related to which of the following

a)

Resistor

b)

ransistor

c)

switch

d)

current

7.

I / Current is the speed/direction of electric flow measured in which of the following?

a)

Watts

b)

Volts

c)

Amps

d)

Ohms

8.

A carbon resistor's level is measured in which of the following units?

a)

Resistance

b)

Ohms

c)

greek omega

d)

voltage

9.

The symbol above best represents which of the following?

a)

Voltage

b)

Power

c)

Ground

d)

LED

10.

The breadboard above has electrical connections in series of:

a)

5

b)

4

c)

20

d)

all are connected

11.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
12.
Convert 00010001 to decimal
a)
17
b)
27
c)
37
d)
47
13.

The water tank in the water - electricity analogy is best compared to which of the following?

a)

volts

b)

current

c)

amps

d)

resistance

14.

Express 0.021 amps in SI notation

a)

21 A

b)

21 mA

c)

2.1 mA

d)

21 kA

15.

Express 4782000 Ohms in SI notation

a)

4.782 MΩM\Omega

b)

4.782 mΩm\Omega

c)

4782 kΩk\Omega

d)

4782 Ω\Omega