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Worksheets

Race Against Time

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What is the name of this component?

a)

555 chip

b)

555 timer

c)

555 component

d)

555 circuit

2.

What does DIL stand for?

a)

Dual In Line

b)

Direct In Line

c)

Data In Line

d)

Draft In Line

3.

What is the correct name given to the metal legs that stick out of a DIL?

a)

Pegs

b)

Points

c)

Parts

d)

Pins

4.

IC stands for what?

a)

Integrated Circuit

b)

Inbuilt Circuit

c)

In-line Circuit

d)

Indirect Circuit

5.

What does PCB stand for?

a)

Printed Complete Board

b)

Printed Circuit Board

c)

Partial Circuit Board

d)

Populated Circuit Board

6.

This component is called what?

a)

Socket

b)

Holder

c)

Casing

d)

Container

7.

What does the dot or notch on this component mean?

a)

It shows which way to solder the component to the board

b)

It can only be used for monostable circuits

c)

It can only be used for astable circuits

d)

It shows where the first pin is

8.

An LDR is an example of what type of device?

a)

Input

b)

Process

c)

Output

9.

A thyristor is an example of what type of device?

a)

Input

b)

Process

c)

Output

10.

A buzzer is an example of what type of device?

a)

Input

b)

Process

c)

Output

11.

How many pins does a 555 timer have?

a)

4

b)

6

c)

8

d)

10

12.

A monostable circuit is one that will act (pulse) more than once:

a)

True

b)

False

13.

An astable circuit is one in which the circuit will pulse repeatedly

a)

True

b)

False

14.

This is the circuit symbol for which component?

a)

Transistor

b)

Diode

c)

Thyristor

d)

Capacitor

15.

The three component legs of a thyristor are what?

a)

Anode, Collector, Gate

b)

Anode, Cathode, Gate

c)

Anode, Collector, Gather

d)

Accept, Collect, Gather

16.

When writing a specification what does the E stand for in the ACCESS FM headings.

a)

Environment

b)

Ergonomics

c)

Enterprise

d)

Extremes

17.

The tracks on PCBs are generally made from which material?

a)

Tin

b)

Aluminium

c)

Copper

d)

Steel

18.

What is the name of the drawing technique you have used to produce your design ideas?

a)

1 point perspective

b)

2 point perspective

c)

Orthographic

d)

Isometric

19.

A circuit like the RAT one that contains a thyristor can also be called what?

a)

A grabbing circuit

b)

A catching circuit

c)

A mixing circuit

d)

A latching circuit

20.

This is the circuit symbol for which component?

a)

Resistor

b)

Battery

c)

Capacitor

d)

Diode