Книга: Introduction to Microprocessors and Microcontrollers

Quiz time 18

In each case, choose the best option.

1 Damage due to static electricity:

(a) can only occur in the winter.

(b) is best prevented by wearing wet clothing.

(c) is only possible in carpeted areas.

(d) can be reduced by wearing a grounded wrist strap.

2 If the two power supplies were connected as in Figure 18.10, the result would be:

(a) smoke pouring from both power supplies.

(b) an output of +5 V but twice as much current.

(c) an output of +10 V.

(d) no output but no smoke either.

Figure 18.10

3 The arrow in Figure 18.11 indicates pin:

(a) 2.

(b) 8.

(c) 11.

(d) 16.

Figure 18.11

4 A logic probe:

(a) indicates whether your fault-finding technique is based on sound reasoning.

(b) can detect the difference between a disconnection and a grounded connection.

(c) can store a stream of data.

(d) detects the presence of static electricity.

5 A logic analyser quoted as 20 channels ? 1024 bits:

(a) will show a four digit hex number in its window.

(b) can monitor any 1024 points at the same time.

(c) would store a total of 1044 bits of data.

(d) can monitor any 20 points at the same time.

Оглавление книги