E-3 To Et3 Reserve Advancement Exam Study Guide 2017 Part 12

Front 1

What was one of the earliest known calculators that was developed by theChinese?

Back 1

Abacus

Front 2

Which year did Blaise Pascal invent the first adding machine?

Back 2

1642

Front 3

Which part of a number system tells you the number of symbols that are usedin that system?

Back 3

Base

Front 4

Which system is the value of a number defined not only by the symbol but by the symbol’s position?

Back 4

Positional notation

Front 5

What is the number of times a base is multiplied by itself referred to as?

Back 5

Power

Front 6

What is the power called when it is written above and to the right of thebase?

Back 6

Exponent

Front 7

Which symbol represents one, or more, complete objects?

Back 7

Whole number

Front 8

Which type of number is a symbol representing a portion of an object?

Back 8

Fractional

Front 9

Which type of number represents one, or more, complete objects, and some portion of an object?

Back 9

Mixed

Front 10

What is the division between whole numbers and fractional numbers referred to as when you use any base other than thedecimal system?

Back 10

Radix point

Front 11

Which digit in a number has the greatest effect on that number?

Back 11

Most significant digit

Front 12

Which form of counting is where one quantity is added to another?

Back 12

Addition

Front 13

What is the quantity called to which an addend is added?

Back 13

Augend

Front 14

What is produced when the sum of two or more digits in a vertical column equals or exceeds the base of the number systemin use?

Back 14

Carry

Front 15

What is the number called from which another number is to be subtracted?

Back 15

Minuend

Front 16

What is the simplest possible number system?

Back 16

Binary

Front 17

What is something used to complete something else called?

Back 17

Complement

Front 18

How many binary digits is one octal digit the equivalent value of?

Back 18

Three

Front 19

Which system uses 16 symbols?

Back 19

Hex

Front 20

What do computer systems use to convert decimal numbers to binary numbers?

Back 20

Additional circuitry

Front 21

Which number is a dividend divided by called?

Back 21

Divisor

Front 22

What is the number called resulting from the division of one number by another?

Back 22

Quotient

Front 23

Which method is the conversion of a decimal number to its base 8 equivalentdone?

Back 23

Repeated division

Front 24

What is the best method for the conversion of octal numbers to decimal?

Back 24

Positional notation

Front 25

Which two purposes was the microprocessor designed for?

Back 25

Data processing and control

Front 26

What are the series of electrical pulses called that computers and microprocessors both operate on?

Back 26

Words

Front 27

What is defined as the science of reasoning?

Back 27

Logic

Front 28

Which type of voltage is used to represent the logic 1 state of a statement?

Back 28

Logic polarity

Front 29

What will be used to illustrate all possible input and corresponding outputcombinations?

Back 29

Truth table

Front 30

What are the "decision-making" circuits of computers and othertypes of digital equipment?

Back 30

Logic gates

Front 31

Which type of logic gate is a logic circuit that requires all inputs to be TRUE at the same time in order for the output to beTRUE?

Back 31

And

Front 32

Which type of logic device has an output opposite of the input?

Back 32

Inverter

Front 33

Which gate is simply an AND gate with an inverter (NOT gate) at the output?

Back 33

NAND

Front 34

Who developed Boolean Algebra?

Back 34

George Boole

Front 35

What is a description of the input conditions necessary to get the desiredoutput?

Back 35

Boolean expression

Front 36

What is a term that is TRUE in one part of an expression will be TRUE in all parts of the expression?

Back 36

Law of identity

Front 37

Which law is defined as the order in which terms are written does not affect their value (AB =BA, A+B = B+A)?

Back 37

Commutative law

Front 38

What is an example of Associative law?

Back 38

A(BC) = ABC or A+(B+C) = A+B+C

Front 39

What is an example of idempotent law?

Back 39

AA = A, A+A = A

Front 40

What is an example of the law of intersection?

Back 40

0 (A·1 = A, A·0 = 0)

Front 41

What is an example of the law of union?

Back 41

(A+1 = 1, A+0 = A)

Front 42

What is an example of distributive law?

Back 42

A+(BC) = (A+B) · (A+C)

Front 43

What is an example of the law of absorption?

Back 43

A·(A+B) = A or A+(AB) = A

Front 44

Which gate is a modified OR gate that produces a HIGH output when only one of the inputs is HIGH?

Back 44

Exclusive OR

Front 45

What are combinations of logic gates that combine binary values to obtaina sum?

Back 45

Adders

Front 46

Which circuit can add two binary digits but will not produce a carry?

Back 46

Quarter adder

Front 47

What is designed to combine two binary digits and produce a carry?

Back 47

Half adder

Front 48

Subtraction is accomplished in computers by the R’s complement and what othermethod?

Back 48

ADD

Front 49

What may be used to store data temporarily, to multiply or divide, to count operations, or to receive and transfer information?

Back 49

Flip-flops

Front 50

Which type of bistable device changes state on command from a common inputterminal?

Back 50

Toggle

Front 51

What is the most widely used FF because of its versatility?

Back 51

J-K FF

Front 52

What is a timing signal generated by the equipment to control operations?

Back 52

Clock

Front 53

The frequency stability of the astable multivibrator can be increased by applying what to the circuit?

Back 53

Trigger pulse

Front 54

What allow functions involving more than one operation to be completed during a single clock cycle?

Back 54

Multiphase clocks

Front 55

What do most modern high-speed equipment use as the basis for their timingnetworks?

Back 55

Crystal-controlled oscillators

Front 56

What is the total number of counts or stable states a counter can indicatecalled?

Back 56

Modulus

Front 57

Which term is used to describe the count capability of counters?

Back 57

Modulo

Front 58

Which term means that the events (setting and resetting of FFs) occur one after the other rather than all at once?

Back 58

Asynchronous

Front 59

High-frequency operations require that all the FFs of a counter be triggered at the same time to prevent errors. Which typeof counter is used for this type of operation?

Back 59

Synchronous

Front 60

What is defined as a loop of bistable devices (flip-flops) interconnected in such a manner that only one of the devices maybe in a specified state at one time?

Back 60

Ring counter

Front 61

Which type of temporary storage device is used to store data, memory addresses, and operation codes?

Back 61

Register

Front 62

Which type of register can the contents be shifted one or more places tothe left or right?

Back 62

Shift register

Front 63

Which term means that the data is moved along a single line one bit at atime?

Back 63

Serial transfer

Front 64

Which term means that each bit of data is moved on its own line and that all bits transfer simultaneously?

Back 64

Parallel transfer

Front 65

Which term means to change the magnitude of a number?

Back 65

Scaling

Front 66

What are groups of logic circuits that are based on particular types of elements (resistors, transistors, and so forth)?

Back 66

Logic families

Front 67

What is the feature known as when the output of one logic circuit can be used as the input to another logic circuit?

Back 67

Compatibility