Computer Numerical Control

implies the management of the I/O devices such asa keyboard, magnetic tape, disk, printer,microphone, USB ports, scanner, camcorder etc.aswell as the supporting units like control channels.

• DEVICEMANAGEMENT

Advantage of CNC Milling machine

It is a big problem in Client/Server networks. When a large number of clients send requests to the same server may cause the problem.

• Traffic Congestion

It is an advantages of Client-server networks as we can increase the number of clients and servers separately, i.e., the new element can be added, or we can add a new node in a network at any time.

• Centralized
• Security
• Performance
• Scalability

It is an advantages of Client-server networks as the use of the dedicated server increases the speed of sharing resources

• Centralized
• Security
• Performance
• Scalability

QR code is made up of a matrix of filled in dark squares on a light background. What is QR stands for?

• Quick Role
• Quick Response
• Quick Runtime
• Quick Registry

It is an advantages of Client-server networks as these networks are more secure as all the shared resources are centrally administered.

• Centralized
• Security
• Performance
• Scalability

How do you think this project could be improved?

The UDP stands for?

• User Datagram Protocol

It is an advantages of Client-server networks as back-up is possible in client-server networks, i.e., all the data is stored in a server.

• Centralized
• Security
• Performance
• Scalability

program that runs on the remote machine providing services to the clients.

• Server

The invention that replaced the Vacuum tubes. This invention was faster and more efficient to use than the Vacuum Tubes.

• Integrated Circuit
• Transistors
• CPU
• Sillicon Chips

According to the layered model, the transport layer interacts with the functions of the session layer.

• End-to-end delivery
• Addressing
• Reliable delivery
• Multiplexing

CNC stands for: Computer Numerical ______

• Control

Which one of these images is NOT an example of CAM?

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consists of measures taken by business or some organizations to monitor and prevent unauthorized access from the outside attackers.

• Computer Network Security

Essay: What is the importance of computer in our daily life?What do you think are the pros and cons of the development of computers?

The Very First Portable Computer

• UNIVAC 1
• ENIAC
• Osborn 1
• Havard Mark 1

What does ENIAC stand for?

• Electronic Numerical Integrator and Calculation
• Electronic Numerical Integral Computer
• Electrical Number Integrator and Computer
• Electronic Numerical Integrator and Computer

An OS is a program that acts as an ______________between computer system users and the computerhardware.

• Gui
• Design
• Interface
• None of the Above

File is made of

• HCS
• HSS
• HFS
• NONE

An operating system is a program that acts as an interface between the user and the computer hardware and controls the execution of all kinds ofprograms.

• True
• False

..... are devices that read data from a source that's provided and transferred it directly to the computer system

• DDE

It is to provide the communication services directly to the application processes running on different hosts.

• Transport Layer

In general, a computer system has some resourceswhich may be utilized to solve a problem. Which is NOT belong.

• Memory
• Processors
• I/O
• File System
• Disk Scheduling

What DDE device that has key feature that able to track livestocks?

• Barcode reader
• RFID
• MICR
• OCR

CAM stands for Computer Aided ___________

• manufacture

A ... is an output device that is used to display an image of what your computer is doing.

• monitor

Which is the 2D Design tool which lets you draw lines?

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Havard Mark 1 was invented by Howard H. Aiken in the year ____.

• 1936
• 1953
• 1943
• 1940

For high volume printing inkjet printer are considerably cheaper to run

• TRUE
• FALSE

Tree Popular Operating Systems

The First Generation Computer uses ______ for circuitry and magnetic drums for memory and were often enormous, taking up entire rooms.

• vacuum tubes

Which one of these images is NOT an example of CAD?

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With the advantage of easier programmingprovided by the OS, the hardware, its machinelanguage and the OS constitutes a new combinationcalled as a _____________________

• virtual (extended) box.
• virtual (peripheral) machine.
• virtual (extended) machine.
• virtual (extended) ware

The father of all machine is

• Lathe
• Drilling
• Milling
• Grinding

CAD stands for:

• Computer and Design
• Computer Aided Design
• Computer Added Design
• Computing and Designs

Which tool in 2D Design allows you to delete parts of your drawing?

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Aspects of Network Security: means that the receiver must be able to prove that the received message has come from a specific sender.

• Privacy
• Message Integrity
• End-point authentication
• Non-Repudiation

_________________ is the functionality of anthe operating system which handles or managesprimary memory and moves process back andforth between main memory and disk duringexecution.

• Memory management

It is a connection-oriented protocol, which means that the connection needs to be established before the data is transmitted over the network.

• TCP
• UDP
• HTTP
• HTML

What does CNC stand for?

• Computers and Control
• Computers and Carpentry
• Computer Numerical Control
• Controlled Numerically Computers

a program that runs on the local machine requesting service from the server.

• Client

This device was invented back in 2400 B.C in Babylonia.

• Napier's Bone
• Abacus
• Ishango Bone
• Stepped Reckoner

A types of connections in FTP: uses very complex rules as data types may vary.

• Data Connection

Which of the 7 Characteristics of computer can perform millions of tasks or calculations with the same consistency and accuracy.

• Speed
• Versatility
• Diligence
• Accuracy

Manages all types of data and files in an operatingsystem (OS), or a database management system(DBMS), which has a relational databasecapabilities and includes a programming languagefor further data manipulation.

• FILEMANAGEMENT

_____ are used for everything that requires a text or numerical input, from writing an email to writing a book.

• Keyboard

Gottfried WIlhelm invented the ________ in 1672

• Stepping Calculator
• Abacus
• Stepped Reckoner
• Atanasoff-Berry Computer

is an interface that defines how data and commands are sent across the network.

• network virtual terminal
• TELNET
• Remote login
• Local Login

This output device can be totally portable , but has a disadvantage of relying on a powerful and expensive bulb to provide the pictures on a big screen

• Laser Printer
• Multimedia projector
• 3D printers
• Plotter

Choose two advantages of video camera compared to digital camera

The computer which uses FTP to transfer data is called the.......

• FTP server

Blaise Pascal invented the _______ in 1642.

• Pascaline

The distance between tip to the heel of file

• File length
• heel
• Tip
• Ferrule

What device is in this Photo?

• Abacus
• Tally Stick
• Scheutzian Calculation Engine
• Napier's Bones

The Jacquard Loom was invented by _______ in the year 1881.

• Josie-Mary Jacquard
• Joseph-Marie Jacquard
• John-Marie Jacquard
• Josey-Marie Jacquard

__________ invented the very first programmable computer in Germany from 1936 to 1938.

• Konrad Zuse

It is used to prevent the sender from overwhelming the receiver. If the receiver is overloaded with too much data, then the receiver discards the packets and asking for the retransmission of packets.

• End-to-end delivery
• Addressing
• Reliable delivery
• Flow control

It is a connectionless protocol, which means that it sends the data without checking whether the system is ready to receive or not.

• TCP
• UDP
• HTTP
• HTML

Involve the execution of various tasks such ascreation of processes, scheduling of processes,management of deadlock, and termination ofprocesses.

• PROCESSMANAGEMENT

Invented by Gottfried Wilhelm Leibniz in 1672

• Jacquard Loom
• Aritmometer
• Stepped Reckoner
• Pascaline

Aspects of Network Security: means that the data must arrive at the receiver exactly as it was sent.

• Privacy
• Message Integrity
• End-point authentication
• Non-Repudiation

Radius gauge is made of

• High quality steel sheet
• HSS
• HCS
• LEAD

Aspects of Network Security: means both the sender and the receiver expects confidentiality. The transmitted message should be sent only to the intended receiver while the message should be opaque for other users.

• Privacy
• Message Integrity
• End-point authentication
• Non-Repudiation

The transport layer provides reliability services by retransmitting the lost and damaged packets.

• End-to-end delivery
• Addressing
• Reliable delivery
• Multiplexing

Your jigsaw was made from MDF, what does MDF stand for?

• Medium Density Fibreboard
• Middle Density Fibreboard
• Low Density Fibreboard
• Medium Depth Fibreboard

Identify this picture what type of log in is this.

• Local Login
• Remote login

Input device that is used to input their PIN numbers when they pay for something by card, called?

• Mouse
• Keyboard
• Numeric keypads
• Touch screen

What is Numerical Data (NC) in CNC Milling machine?

• G Code M Code

Axis for depth cut

• Y
• Z
• X
• W

Out of these input devices, which one has the disadvantages of the display may get dirty, then become less-visible and cause malfunction.

• Joystick
• Touch screen
• Keyboard
• Pointing device

The least count of vernier calliper

• 0.2mm
• 0.02mm
• 0.01mm
• 0.002mm

Types of sensor that is used in washing machine, central heating systems, and ovens

• Moisture
• Pressure
• Light
• Temperature

List FOUR (4) CNC Milling Tools

Which tool in 2D Design allows you to convert an image to laser cut?

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The very first computer programmer which helps program the Analytical Engine

• Ada Wong
• Ada Byron Ace
• Ada Bryon Lovace
• Ada Lovelace

The important angle for chipping

• Clearance angle
• Rake angle
• Point angle

Define Milling machine revolution era

CAD stands for Computer _____ Design

• aided

Match the following

DDE device that function as security device to allow entry to buildings, hotel rooms. called?

• Contactless card reader
• Chip & PIN reader
• Magnetic stripe reader
• OMR

simple protocol and it provides nonsequenced transport functionality.

• User Datagram Protocol

Describe the image operation

• Programming
• Tool selection
• Datum point
• Tool length offset

An OS provides services for (SELECT ALL POSSIBLE ANSWERS)

____ is a device that moves or controls some mechanism

• Sensor
• Actuator
• Dynamo
• Buzzer

This computer characteristic "refers to the capability of a computer to perform different kind of work in the same accuracy and efficiency."

• versatility

Match the advantage of below input device

Which is not CNC Milling machined part or product

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Lathe bed is made of

• Grey Cat Iron
• Steel
• Plastic
• Carbide Material

What is CNC word stands for?

• Computer Numerical Control

The point angle of drill bit

• 1180
• 900
• 450
• 600

A programmable machine that manipulates data according to instructions.

• Calculator
• Computer
• Mobile Phone
• Laptop

who invented the Atanasoff-Berry Computer?

• Prof John Atanasoff

The technique which is used to validate the authenticity and integrity of the message.

• Digital Signature

Resources that a process required forits execution

• PROCESSCOMPONENTS

Who is in this Photo?Hint: His creation was inspired by Charles Babbage's difference engine.

• Herman Hollerith
• John Presper Eckert
• Per Georg Scheutz
• Von Neumman

What is MICR stands for?

• Magnetic Ink Character Recognition
• Mark Ink Character Recognition
• Magnetic Infuser Character Recognition
• Magnetic Ink Compiler Recognition

The closest layer to the end user which means that the application layer and end user can interact directly with the software application. The application layer programs are based on client and servers.

• Application Layer
• Network Virtual terminal
• Addressing
• Mail Services

List THREE (3) CNC Milling machine components

Which of these is a disadvantage of using CAD over hand drawing designs?

• You can easily share the file to anyone in the world via email.
• You can make multiple changes to the design without having to re-draw it.
• CAD programs are expensive and hard to learn.
• You can manufacture multiple copies of your design very easily.

State the basic axis in CNC Milling machine.

• V,W,X
• U,Y,Z
• X,Y,Z
• U,V,W

Input device that only works with CRT monitors called?

• Graphics tablet
• Stylus
• Light pens
• Touch screen

in what year did Thomas de Colmar invented the Arithmometer ?

• 1920
• 1832
• 1820
• 1822

Hardware devices that allow data to be transmitted to a computer is called?

• Output Devices
• Input Devices
• Direct Data Entry
• Storage Devices

What did you enjoy about this project?

The transport layer transmits the entire message to the destination.

• End-to-end delivery
• Addressing
• Reliable delivery
• Flow control

A device that inputs data to a computer. The data is a measurement of some physical quantity that is continuously changing.

• Microphones
• Digital Camera
• Sensors
• Graphic tablet

A set of instruction to be executed

• PROCESSCODE

A types of connections in FTP: uses very simple rules for communication

• Control Connection

The TCP stands for?

• Transmission Control Protocol

CAM stands for:

• Computer Aided Manufacture
• Computers and Making
• Computer Aided Making
• Computers and Manufacturing

ENIAC stands for

• Electronic Numerical Integrator andComputer

The transport layer uses the multiplexing to improve transmission efficiency.

• End-to-end delivery
• Addressing
• Reliable delivery
• Multiplexing

Another aspect for theusage of OS is that; it isused as a _________________for hardware-softwareinteraction.

• predefined application
• predefined interface
• predefined library
• predefined software

Full form of CNC

• Computer numerical Control

Who invented the Tabulating Machine?

• Howard Aiken
• Professor John Atanasoff
• John Mauchly
• Herman Hollerith

is a physical or virtual internetworking device that is designed to receive, analyze, and forward data packets between computer networks

• Router

Fixed and provides a set of services to applications.

• Network architecture
• Architecture
• Client-server
• P2P (peer-to-peer) architecture:

A standard internet protocol provided by TCP/IP used for transmitting the files from one host to another.

• File transfer protocol

This DDE device has a disadvantage of special designed forms in order for the reader to read it accurately

• OMR
• OCR
• MICR

Identify this picture what type of log in is this.

• Local Login
• Remote login

OS uses the _____________ of the microprocessor,whereas other programs use the____________.

Hacksaw blade is made of

• HCS
• HSS
• CARBIDE
• NONE

Aspects of Network Security: means that the receiver is sure of the sender?s identity, i.e., no imposter has sent the message.

• Privacy
• Message Integrity
• End-point authentication
• Non-Repudiation

is a directory service that provides a mapping between the name of a host on the network and its numerical address.

• Domain Name System