Книга: Introduction to Microprocessors and Microcontrollers

Quiz time 2

Quiz time 2

In each case, choose the best option.

1 Typical operating voltages of microprocessors are:

(a) 0 V and 1 V.

(b) 3.3 V and 5 V.

(c) 220 V

(d) 1024 V.

2 The most mobile electrical charge is called:

(a) a proton and has a positive charge.

(b) a voltage and is always at one end of a conductor.

(c) an electron and has a negative charge.

(d) an electron and has a positive charge.

3 The denary number 600 is equivalent to the binary number:

(a) 1001011000.

(b) 011000000000.

(c) 1101001.

(d) 1010110000.

4 When converted to a denary number, the binary number 110101110:

(a) will end with a 0.

(b) must be greater than 256 but less than 512.

(c) will have a base of 2.

(d) will equal 656.

5 A byte:

(a) is either 1024 or 1000 bits.

(b) is simply a collection of 16 bits.

(c) can vary in length according to the microprocessor used.

(d) can have the same number of bits as a word.

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