A microcontroller is

a) a single chip

b) follows instructions

c) reads information

d) communicates

e) all of the above

f) none of the above

For engine control, a microcontroller can

a) use a sensor to measure oxygen level of exhaust

b) directly move a piston

c) indirectly move a piston by sending signals to other engine components

d) monitor coolant temperature

e) all of the above

f) a, c,d only

Microcontrollers store information in the form of

a) binary numbers

b) binary and hexadecimal numbers

c) binary, hexadecimal, and decimal numbering systems

d) ASCII codes

e) all of the above

f) none of the above

Charles Babbage's Analytical Engine included

a) symbolic logic

b) program control by means of looping and branching

c) arithmetic and storage units

d) astronomical calculator

e) b and c

f) all of the above

When a processor is fabricated using high-density complementary metal-oxide semiconductor (HCMOS) technology, it

a) uses less power

b) has a high tolerance for noisy signals

c) is smaller

d) is faster

e) all of the above

f) c and d

If a microcontroller needs more memory or I/O than are available in the chip, it will need

a) programming port

b) I/O port

c) external memory

d) external data and address lines

e) reset line

f) reset line and power pin

The following is an example of one byte stored in memory

a) 01101

b) 0110100 01110000

c) 10100011

d) 111011101

e) 1234

f) abcd

Normally a byte is

a) are bits that can be represented by 2 hexadecimal digits

b) the contents of a 16-bit register

c) the smallest addressable unit

d) signal sent on the address bus

e) a and c

f) a, b, and c

The main types of semiconductor memory are

a) ROM, RAM and EPROM

b) OPTPROM, Flash, RAM

c) EEPROM, EPROM, ROM, RAM

d) ROM, EPROM, EEPROM

e) RAM, ROM

f) RAM

The ASCII codes for ETX, FF, 9, and v are

a) $04, $0C, $39, $73

b) $03, $0C, $39, $76

c) $03, $1C, $49, $76

d) $04, $1C, $49, $73

e) $03, $1C, $49, $73

f) none of the above

If we say $5C is stored in address $3B07, then we can say

a) $3B is the high address byte and $07 is the low address byte

b) $5C is the data

c) $3B is the low address byte and $07 is the high address byte

d) a and b

e) b and c

f) none of the above

The microcontroller may contain blocks of memory for

a) RAM

b) EEPROM, ROM

c) register block

d) a and b

e) a and c

f) all of the above