Introduction to Computing

Question 1

A programmable computing device that can process, store, and retrieve data. The computer data is processed according to the software’s instructions or commands.

Answer 1

Computer

Question 2

Originates as a word referring to someone who manually carried out calculations instead of an actual machine.

Answer 2

Computer

Question 3

Digital computers and analog computers

Answer 3

The 1940s and 1950s

Question 4

A sequential device that operates data one at a time.

Answer 4

Digital Computers

Question 5

The representation of data reflects the properties of the data being modeled in an analog computer.

Answer 5

Analog Computers

Question 6

A wheel and a disc integrator

Answer 6

James Thomson

Question 7

Differential Analyzer

Answer 7

Vannevar Bush

Question 8

First Generation

Answer 8

Vacuum Tubes

Question 9

Second Generation

Answer 9

Transistors

Question 10

Third Generator

Answer 10

Integrated Circuits

Question 11

Fourth Generation

Answer 11

Microprocessors

Question 12

A computer system responds to the instructions it receives from the users and uses an input unit to acquire those instructions.

Answer 12

Input Unit

Question 13

The data from the input unit proceeds to the processing unit before it s executed.

Answer 13

Central Processing Unit (CPU)

Question 14

When the input and central processing unit processes are accomplished, the data is fed to this unit where the result is shown.

Answer 14

Output Unit

Question 15

When data reaches the processor from input devices, the memory unit saves it immediately.

Answer 15

Memory Unit

Question 16

This manages the computer device functions and is the central component of the CPU.

Answer 16

Control Unit

Question 17

This processor is responsible for mathematical calculations and issues the computer system deals with while functioning.

Answer 17

Arithmetic-Logical Unit (ALU)

Question 18

A collection of software programs and commands that control computer hardware to make it usable.

Answer 18

Operating Systems (OS)

Question 19

It is a network of web pages that are found using a link address.

Answer 19

Web (World Wide Web)

Question 20

CERN

Answer 20

Time Burners-Lee

Question 21

A massive interconnection of networks connecting millions of computers globally.

Answer 21

The Internet

Question 22

ARPANET

Answer 22

Advanced Research Projects Agency Network

Question 23

HTML

Answer 23

Hypertext Markup Language

Question 24

URL

Answer 24

Uniform Resource Locator

Question 25

Links computers for shared resources through the internet.

Answer 25

Computer Networking

Question 26

PAN

Answer 26

Personal Area Network

Question 27

LAN

Answer 27

Local Area Network

Question 28

CAN

Answer 28

Campus Area Network

Question 29

MAN

Answer 29

Metropolitan Area Network

Question 30

WAN

Answer 30

Wide Area Network

Question 31

OSI

Answer 31

Open Systems Interconnection

Question 32

Gives electrical and mechanical connections to the network.

Answer 32

Physical layer

Question 33

Handles error recovery.

Answer 33

Data link layer

Question 34

Acts as the network controller that receives outgoing messages and combines messages and segments into packets with a header detailing the routing information.

Answer 34

Network layer

Question 35

Liable for end-to-end delivery between devices.

Answer 35

Transport layer

Question 36

Provides the control functions required to start, manage, and end connections to satisfy user requests.

Answer 36

Session layer

Question 37

Accepts and structures the messages for an application by converting the message from one code to another.

Answer 37

Presentation layer

Question 38

It interacts with application programs with communication components such as a web browser and email.

Answer 38

Application layer

Question 39

Connects devices within a local area network.

Answer 39

LAN Ethernet Cable

Question 40

Interconnects networking devices, but risks the broadcast of data it receives to all devices connected to it.

Answer 40

Hub

Question 41

Initiates a direct connection from the sender to the destination bypassing the data traffic to ensure data privacy.

Answer 41

Switch

Question 42

Uses a cable connection to create a broadband network connection from a home network to the internet service provider (ISP).

Answer 42

Cable Modem

Question 43

Provide resources, data, services, and programs to other computers or clients over a network.

Answer 43

Servers

Question 44

A security device that monitors and secures incoming and outgoing network traffic based on established security policies.

Answer 44

Firewall

Question 45

Connects wireless devices and provides a connection to wired LANs.

Answer 45

Wireless Access Point

Question 46

Consists of a router, switch, and wireless access point that uses radio frequency to link networking devices.

Answer 46

Wireless Router

Question 47

Combines the functionality of a modem and a router, thus making it a convenient source of internet connectivity.

Answer 47

Wi-Fi Modem

Question 48

The simplest network topology where two devices, like a computer or router, are connected directly.

Answer 48

Point-to-point

Question 49

Its deterministic nature ensures access to message transmissions at regular or fixed time intervals for each connected station.

Answer 49

Token Ring

Question 50

Occurs when computers share the media for data transmissions using a coaxial cable, preventing data transmission from being extremely effecient.

Answer 50

Bus

Question 51

The most common networking topology in LANs today, where all the devices connect to a central switch or hub.

Answer 51

Star

Question 52

It is when the networking devices are directly connected where several paths exist between the end devices.

Answer 52

Mesh