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What is the binary number for a decimal number 6

01012

When using an ESD wrist strap, a technician should ensure that its ohmic value is

1 meg

The +5v level of a TTL digital signal is also most frequently called a logical

1 or high

Adding binary numbers 1101112 and 0011012 will result in which of the following

10001000 2

Convert 1110012 to Gray code

100101

Convert 7610 to binary

10011002

Convert 164 10 to binary

101001002

what number is the pin designated by the arrow in the figure below

12

Common logic probe cannot operate with collages exceeding approximately

15

What is the modulus of a four-bit binary counter

16

Convert 101112 to decimal

2310

Convert 62210 to hexadecimal

26E16

How many FFS (Flip Flops) are required to count down from 1510

4

Hexadecimal 2E is equivalent to a decimal number of

46

In the number 6178.0, what is the most significant digit (MSD)

6 OR -6

What is the radix or base of the octal number system

8

The boolean equation below describes which of the following circuits

A single inverted

Three common computers bus types are

Address bus, data bus and control bus

what work surfaces presents an opportunity for electrostatic discharge (ESD) damage

All of the above.

The "ASCII" acronym stands fir

American standard Code for information interchange.

Which component of a computer microprocessor performs simple logic functions such as AND. OR and exclusive or

Arithmetic logic unit

A programmable logic controller (PLC), or programmable controller, is a digital computer used primarily for.

Automation of industrial processes

Which of the gates in the figure below is a NOT logic gate

B

____Diagrams are the most convenient from which to learn the basic functions of a circuit.

Block or single line

A blocking oscillator uses ___ renege rative feedback

Capacitive

ASCLL is a process of

Char cater encoding based on the English alphabet.

The number of ____determines the numbers of pulses required to cycle a counter from 0-

Count to 0- count- Stages

What other name is a Gray Code known as

Cyclic Code

When replacing a DIP chip, use an

ESD static grounded soldering pencil and work station.

The first recognized electronic computer was built in 1948,and was known as the

FNIAC

Block diagrams show the components in symbolic form .

False

Higher relative humidity will lower the danger of ESD

False

What are the three basic requirements for a timing pulse.

Flat rise time, flat top, and fast fall time.

The asynchronous communications interface adapter used in computer converts

In out serial data into parallel format for use by the microprocessor

What CPU function interfaces the computer with the peripheral.

Input/output

An advantage is using an EAROM memory chip instead of an EPROM is that the EAROM

Needs a strong ultraviolet light to erase the memory

What is the unique characteristics of Gray code

Only one digit changes value when proceeding from one number to the next successive number

A logic pulse can be used as a

Pulse re generator

What are the 3 important features of any number system

Radix, MSD, and LSD

What is the basic type of (replaceable) memory you will find in standard desktop computers

Ram

When counters are referred to according to circuit design, they are called

Ripple or synchronous

The circuit in the figure below is a/an

S-C flip flop

When discussing ESD control, the resistance in the benchtop ground cable should be located at or near the point of contact with the benchtop

TOP

A three input NAND has two low inputs and a high input

The output will be-high

What happens to the net value of the power when the exponent increases by 1 in the Base two system.

The weight of the number doubles A

What happens to the power when the negative exponent decreases by 1 (from 2^-2 to 2^-3)

The weight of the numbers is halved

Why are differentiation used as part of digital input circuitry

To produce a square wave

why are differentiators used as part of digital input circuitry

To produce a square wave.

Data buses are used for

Transferring digital information.

The main component in an inverted circuit is the

Transistor

A precautionary step to take when using a logic probe, is to never apply the leads of the probe to an AC source

True

A serial peripheral interface enables intercommunications between two or more micro controllers

True

Test points provide a means for conveniently and safely determining the operations status of equipment and for isolating malfunctions.

True

Extended binary coded decimal interchange code (EBCDIC) IS A/ An

bit character encoding 8

What type of diagram is the most useful in learning the detailed component operation of a system

block

A logic pulse creates a timed pulse to

check the operation of digital circuit

The logic NOT symbol is also called a/an

inversion

The Arithmetic logic unit is the element of the entire

microprocessor

What is another name for a serial in/ serial-out register

shift register


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