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Techno Quiz 10

Total questions: 150

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

The first spreadsheet program (VisiCalc, 1979) was created by:

a)

Dan Bricklin & Bob Frankston

b)

Bill Gates & Paul Allen

c)

Steve Jobs & Steve Wozniak

d)

Larry Ellison & Ed Oates

2.

The microprocessor (Intel 4004, 1971) was designed by:

a)

Ted Hoff (with Faggin & Mazor)

b)

Bob Noyce (solo)

c)

Gordon Moore (solo)

d)

Jack Kilby (solo)

3.

The graphical user interface popularization is associated with:

a)

Xerox PARC (Alto) influences on Apple Lisa/Mac

b)

Microsoft Windows 1.0 development only

c)

IBM mainframes

d)

Pure command-line UNIX

4.

The first mass-market personal computer "Apple II" (1977) was engineered by:

a)

Steve Jobs

b)

Steve Wozniak

c)

Andy Hertzfeld

d)

John Sculley

5.

TCP/IP, the core internet protocol suite, was specified by:

a)

Metcalfe & Boggs

b)

Cerf & Kahn

c)

Berners-Lee & Cailliau

d)

Postel & Mockapetris

6.

DNS, the naming system for the internet, was proposed by:

a)

Jon Postel & Paul Mockapetris

b)

Vint Cerf & Tim Berners-Lee

c)

Ray Tomlinson & Robert Kahn

d)

Linus Torvalds & Guido van Rossum

7.

Relational databases were formalized by:

a)

Michael Stonebraker

b)

Edgar F. Codd

c)

Jim Gray

d)

Donald Chamberlin

8.

SQL was developed initially at:

a)

IBM (Chamberlin & Boyce)

b)

Oracle (Ellison & Miner)

c)

UC Berkeley (Stonebraker)

d)

Microsoft (Gates & Allen)

9.

Public key cryptography was introduced by:

a)

Diffie & Hellman (and later RSA)

b)

Rivest & Adleman only

c)

Shannon & Turing

d)

Knuth & Koblitz

10.

The RSA algorithm was invented by:

a)

Rivest, Shamir, Adleman

b)

Diffie, Hellman, Merkle

c)

Cocks, Ellis, Williamson

d)

ElGamal, Schnorr, DSA

11.

The first web browser/editor (WorldWideWeb/NeXT) was built by:

a)

Marc Andreessen

b)

Tim Berners-Lee

c)

Brendan Eich

d)

Larry Page

12.

Mosaic (1993) and later Netscape were led by:

a)

Linus Torvalds

b)

Marc Andreessen

c)

Guido van Rossum

d)

Rasmus Lerdorf

13.

Java (1995) was created by:

a)

James Gosling (with Sun Microsystems team)

b)

Bjarne Stroustrup

c)

Anders Hejlsberg

d)

Dennis Ritchie

14.

Python was created by:

a)

John McCarthy

b)

Guido van Rossum

c)

Ken Thompson

d)

Grace Hopper

15.

The Linux kernel was created by:

a)

Linus Torvalds

b)

Richard Stallman

c)

Andrew Tanenbaum

d)

Brian Kernighan

16.

The concept of hypertext predates the web and was coined by:

a)

Vannevar Bush

b)

Ted Nelson

c)

Douglas Engelbart

d)

Tim Berners-Lee

17.

The computer mouse prototype was demonstrated by:

a)

Douglas Engelbart

b)

Alan Kay

c)

Adele Goldberg

d)

Jef Raskin

18.

The first successful graphical spreadsheet (Lotus 1-2-3 competitor) pioneering company was:

a)

Borland

b)

Lotus Development

c)

Ashton-Tate

d)

Corel

19.

The PageRank algorithm (search ranking) was created by:

a)

Tim Berners-Lee

b)

Larry Page & Sergey Brin

c)

Jeff Dean & Sanjay Ghemawat

d)

John Giannandrea & Peter Norvig

20.

The JPEG compression standard was shaped by work from:

a)

ISO/IEC JTC 1/SC 29 (Joint Photographic Experts Group)

b)

W3C

c)

IETF

d)

ITU-T V-Series

21.

The MP3 (audio coding) format was developed at:

a)

Fraunhofer IIS

b)

Bell Labs

c)

Dolby Laboratories

d)

MIT Media Lab

22.

CDMA cellular technology was advanced by:

a)

Nokia engineers

b)

Qualcomm researchers

c)

Apple designers

d)

IBM researchers

23.

The first practical GPS system was developed by:

a)

U.S. Department of Defense (NAVSTAR)

b)

ESA

c)

Roscosmos

d)

ISRO

24.

The modern drone quadcopter control relies on:

a)

Mechanical gyros only

b)

MEMS sensors + control algorithms

c)

Vacuum tubes

d)

Analog potentiometers

25.

The LED (visible-spectrum blue LED breakthroughs) were awarded to:

a)

Holonyak alone

b)

Nakamura, Akasaki, Amano

c)

Shockley, Bardeen, Brattain

d)

Goodenough, Whittingham, Yoshino

26.

The concept of “information theory” was formalized by:

a)

Norbert Wiener

b)

Claude Shannon

c)

John McCarthy

d)

Warren Weaver

27.

Cybernetics, a theory of control and communication, was named by:

a)

Claude Shannon

b)

Norbert Wiener

c)

Vannevar Bush

d)

Herbert Simon

28.

The first successful mechanical computation of orbits used:

a)

Antikythera mechanism (ancient analog)

b)

Pascaline

c)

Difference Engine

d)

Napier’s Bones

29.

The modern bicycle’s pneumatic tire was popularized by:

a)

John Boyd Dunlop

b)

Karl Drais

c)

Pierre Michaux

d)

James Starley

30.

The jet engine development is primarily attributed to:

a)

Robert Goddard

b)

Frank Whittle & Hans von Ohain (independently)

c)

Sergei Korolev

d)

Wernher von Braun

31.

The first practical rocket achieving high-altitude liquid fuel flight:

a)

Konstantin Tsiolkovsky

b)

Robert Goddard

c)

Hermann Oberth

d)

Wernher von Braun

32.

The modern stainless steel (18/8) formulation innovations are associated with:

a)

Harry Brearley

b)

Henry Bessemer

c)

Benjamin Huntsman

d)

Alfred Krupp

33.

The Bessemer converter revolutionized:

a)

Aluminum smelting

b)

Steel production

c)

Copper refining

d)

Glass making

34.

The Haber-Bosch process produces:

a)

Synthetic ammonia

b)

Ethanol

c)

Methane

d)

Polyethylene

35.

The first successful synthetic dye (mauveine) was discovered by:

a)

Perkin

b)

Kekulé

c)

Hofmann

d)

Baeyer

36.

The zipper (separable fastener) innovation is credited to:

a)

Whitcomb Judson & Gideon Sundback

b)

Elias Howe only

37.

The first programmable industrial robot “Unimate” was built by:

a)

George Devol & Joseph Engelberger

b)

Masahiro Mori

c)

Rodney Brooks

d)

Hiroshi Ishiguro

38.

The microwave oven was invented after research on:

a)

Radar magnetrons (Percy Spencer)

b)

X-ray tubes

c)

Vacuum triodes

d)

Laser diodes

39.

The discovery of the structure of DNA (double helix) was made by:

a)

Crick & Watson (with Franklin’s data)

b)

Pauling & Corey

c)

Chargaff & Avery

d)

Mullis & Smith

40.

PCR (polymerase chain reaction) was invented by:

a)

Kary Mullis

b)

Francis Collins

c)

Frederick Sanger

d)

Rosalind Franklin

41.

CRISPR-Cas9 genome editing was co-developed by:

a)

Jennifer Doudna & Emmanuelle Charpentier

b)

James Watson & Francis Crick

c)

Paul Berg & Walter Gilbert

d)

Sydney Brenner & John Sulston

42.

The first successful heart transplant (1967) was performed by:

a)

Christiaan Barnard

b)

Denton Cooley

c)

Michael DeBakey

d)

Norman Shumway

43.

The first successful oral contraceptive pill research was led by:

a)

Carl Djerassi

b)

Alexander Fleming

c)

Selman Waksman

d)

Gertrude Elion

44.

The modern polymer Teflon (PTFE) was discovered by:

a)

Roy Plunkett

b)

Wallace Carothers

c)

Giulio Natta

d)

Hermann Staudinger

45.

The fiberglass-reinforced plastic boats pioneer is associated with:

a)

Owens-Corning

b)

DuPont Kevlar

c)

Bayer AG

d)

BASF

46.

Kevlar (aramid fiber) was invented by:

a)

Stephanie Kwolek

b)

Frances Arnold

c)

Dorothy Hodgkin

d)

Chien-Shiung Wu

47.

The compact disc (CD) digital audio standard was developed by:

a)

Sony & Philips

b)

IBM & Microsoft

c)

Apple & Xerox

d)

Intel & AMD

48.

The touchscreen multi-touch interface popularization in smartphones is associated with:

a)

Nokia Symbian

b)

Apple iPhone

c)

BlackBerry OS

d)

Palm OS

49.

The “mother of the modern computer compiler” is:

a)

Grace Hopper

b)

Ada Lovelace

c)

Jean Sammet

d)

Frances Allen

50.

The first computer programmer (analytical engine notes) is considered to be:

a)

Ada Lovelace

b)

Grace Hopper

c)

Margaret Hamilton

d)

Katherine Johnson

51.

The father of information theory is:

a)

Claude Shannon

b)

Alan Turing

c)

John McCarthy

d)

Donald Knuth

52.

The term “Artificial Intelligence” (1956) was coined by:

a)

Marvin Minsky

b)

John McCarthy

c)

Herbert Simon

d)

Allen Newell

53.

The “Turing Test” concept was proposed by:

a)

Alan Turing

b)

Alonzo Church

54.

The father of the modern algorithmic analysis and TeX creator is:

a)

Edsger Dijkstra

b)

Donald Knuth

c)

Tony Hoare

d)

Niklaus Wirth

55.

The quicksort algorithm was invented by:

a)

Robert Sedgewick

b)

Tony Hoare

c)

Edsger Dijkstra

d)

Donald Knuth

56.

UNIX pipes and grep innovations are associated with:

a)

Brian Kernighan & Ken Thompson

b)

Dennis Ritchie & Rob Pike

c)

Eric Schmidt & Bill Joy

d)

Steve Bourne & Tom Duff

57.

The creator of the World Wide Web Consortium (W3C) is:

a)

Vint Cerf

b)

Tim Berners-Lee

c)

Larry Page

d)

Linus Torvalds

58.

The co-designer of the ARPANET’s TCP/IP alongside Cerf is:

a)

Robert Kahn

b)

Paul Baran

c)

Jon Postel

d)

J.C.R. Licklider

59.

The visionary who promoted “Man-Computer Symbiosis” was:

a)

Douglas Engelbart

b)

J.C.R. Licklider

c)

Alan Kay

d)

Ivan Sutherland

60.

Sketchpad, a pioneering computer graphics system, was built by:

a)

Ivan Sutherland

b)

John Warnock

c)

Jim Blinn

d)

Edwin Catmull

61.

PostScript & Adobe Systems were co-founded by:

a)

John Warnock & Charles Geschke

b)

Bill Atkinson & Andy Hertzfeld

c)

Mitch Kapor & John Walker

d)

Marc Benioff & Parker Harris

62.

The founder of Free Software movement and GNU is:

a)

Linus Torvalds

b)

Richard Stallman

c)

Eric Raymond

d)

Bruce Perens

63.

The person behind the first web browser Mosaic and Netscape is:

a)

Brendan Eich

b)

Marc Andreessen

c)

John Resig

d)

Tim O’Reilly

64.

The inventor of JavaScript (1995) is:

a)

Marc Andreessen

b)

Brendan Eich

c)

Guido van Rossum

d)

James Gosling

65.

The co-founder of Microsoft known for BASIC for Altair and later Windows is:

a)

Steve Jobs

b)

Bill Gates

c)

Paul Allen

d)

Steve Ballmer

66.

Apple’s co-founder and Apple I/II hardware engineer is:

a)

Steve Wozniak

b)

Steve Jobs

c)

Ron Wayne

d)

Tim Cook

67.

Oracle Corporation was co-founded by:

a)

Larry Page

b)

Larry Ellison

c)

Jeff Bezos

d)

Michael Dell

68.

The Linux distribution Debian was started by:

a)

Mark Shuttleworth

b)

Ian Murdock

c)

Linus Torvalds

d)

Richard Stallman

69.

The first woman to win the Turing Award (2006) for optimizing compilers:

a)

Barbara Liskov

b)

Frances E. Allen

c)

Shafi Goldwasser

d)

Karen Spärck Jones

70.

The Liskov Substitution Principle in OOP was proposed by:

a)

Adele Goldberg

b)

Barbara Liskov

c)

Mary Shaw

d)

Margaret Hamilton

71.

NASA Apollo on-board flight software was led by:

a)

Margaret Hamilton

b)

Katherine Johnson

c)

Grace Hopper

d)

Hedy Lamarr

72.

The mother of Wi‑Fi security spread‑spectrum idea (patented in WWII era) is linked to:

a)

Hedy Lamarr (with George Antheil)

b)

Radia Perlman

c)

Susan Landau

d)

Mary Lou Je inline

73.

Spanning Tree Protocol (Ethernet switching) was invented by:

a)

Radia Perlman

b)

Whitfield Diffie

c)

Paul Mockapetris

d)

Van Jacobson

74.

The creator of the BitTorrent protocol is:

a)

Bram Cohen

b)

Linus Torvalds

c)

Phil Zimmerman

d)

Kevin Mitnick

75.

The creator of PGP (Pretty Good Privacy) is:

a)

Phil Zimmermann

b)

Whitfield Diffie

c)

Ronald Rivest

d)

Bruce Schneier

76.

The inventor of the modern graphical interface concept Dynabook vision is:

a)

Alan Kay

b)

Ivan Sutherland

c)

Doug Engelbart

d)

Nicholas Negroponte

77.

The founders of HP (Hewlett‑Packard) were:

a)

David Packard & William Hewlett

b)

Thomas Watson Sr. & Jr.

c)

Michael Dell & Kevin Rollins

d)

Gordon Moore & Robert Noyce

78.

Intel was co‑founded by:

a)

Gordon Moore & Robert Noyce

b)

Andrew Grove & Jerry Sanders

c)

Jack Kilby & Ted Hoff

d)

John Sculley & Scott McNealy

79.

The Moore’s Law observation was proposed by:

a)

Gordon Moore

b)

Robert Noyce

c)

Andy Grove

d)

Jack Kilby

80.

The first practical relational database implementation at IBM System R involved:

a)

Jim Gray & Michael Stonebraker

b)

Donald Chamberlin & Raymond Boyce

c)

Edgar Codd & Niklaus Wirth

d)

Jon Postel & Paul Mockapetris

81.

The inventor of LaTeX typesetting system is:

a)

Donald Knuth

b)

Leslie Lamport

c)

Brian Kernighan

d)

John Hobby

82.

The BASIC language was co‑created at Dartmouth by:

a)

Kemeny & Kurtz

b)

Ritchie & Thompson

c)

Backus & Naur

d)

Hoare & Wirth

83.

The Fast Fourier Transform (popular modern algorithm) is credited to:

a)

Cooley & Tukey (rediscovered/popularized)

b)

Gauss exclusively

c)

Newton & Leibniz

d)

Nyquist & Shannon

84.

Page description language PostScript co‑creator John Warnock later co‑founded:

a)

Adobe Systems

b)

Sun Microsystems

c)

Netscape

d)

Silicon Graphics

85.

Sun Microsystems was co‑founded by:

a)

Bill Joy, Vinod Khosla, Scott McNealy, Andy Bechtolsheim

b)

Larry Ellison, Bob Miner, Ed Oates

c)

Steve Jobs, Steve Wozniak, Ron Wayne

d)

Michael Dell & Kevin Rollins

86.

The RISC architecture popularization (MIPS/SPARC) involved:

a)

John Hennessy & David Patterson

b)

Ken Thompson & Dennis Ritchie

c)

Linus Torvalds & Andrew Tanenbaum

d)

John Carmack & John Romero

87.

The concept of public‑key cryptography had earlier classified work by:

a)

Cocks, Ellis, Williamson (GCHQ)

b)

Shannon & Turing

c)

Rivest & Adleman

d)

Kahn & Cerf

88.

The C Programming Language classic book was authored by:

a)

Kernighan & Ritchie

b)

Hoare & Wirth

c)

Brooks & Parnas

d)

Tanenbaum & Torvalds

89.

The author of “The Mythical Man-Month” (software engineering classic) is:

a)

Fred Brooks

b)

Tom DeMarco

c)

Barry Boehm

d)

Watts Humphrey

90.

The Ethernet company 3Com was co-founded by Ethernet’s:

a)

Bob Metcalfe

b)

Vint Cerf

c)

Tim Berners-Lee

d)

Paul Baran

91.

The creator of SQL’s commercial champion, Oracle, was led by:

a)

Larry Ellison

b)

Bill Gates

c)

Michael Bloomberg

d)

Eric Schmidt

92.

The co-founder of Google and search pioneer is:

a)

Sundar Pichai

b)

Larry Page

c)

Satya Nadella

d)

Tim Cook

93.

The pioneer of hypermedia “As We May Think” essay author is:

a)

Vannevar Bush

b)

Ted Nelson

c)

Douglas Engelbart

d)

J.C.R. Licklider

94.

The computer graphics pioneers who founded Pixar technology roots (RenderMan research) include:

a)

Edwin Catmull & Alvy Ray Smith

b)

John Warnock & Jim Blinn

c)

Ivan Sutherland & John Whitney

d)

Nick Foster & Pat Hanrahan

95.

The father of computational complexity classes P vs NP framing foundations includes:

a)

Stephen Cook

b)

Alan Turing

c)

Leonid Levin

d)

Richard Karp

96.

The creator of the first antivirus company (McAfee Associates) is:

a)

Eugene Kaspersky

b)

John McAfee

c)

Mikko Hyppönen

d)

Peter Norton

97.

The creator of the World Wide Web’s URL/HTTP/HTML trio is:

a)

Tim Berners-Lee

b)

Marc Andreessen

c)

Håkon Wium Lie

d)

Brendan Eich

98.

The pioneer of spreadsheet entrepreneurship and Lotus 1-2-3 was:

a)

Mitch Kapor

b)

Dan Bricklin

c)

Bob Frankston

d)

Bill Gates

99.

Digital communication primarily uses:

a)

Smoke signals

b)

Electronic transmission of information

c)

Handwritten messages

100.

A platform mainly used for instant messaging is:

a)

Excel

b)

Messenger

c)

Photoshop

d)

VLC Player

101.

Which best describes “social media”?

a)

Radio-only broadcasts

b)

Online platforms for sharing and interaction

c)

Printed newsletters

d)

TV advertisements

102.

A digital footprint refers to:

a)

Marks on a screen

b)

Online traces left by user activity

c)

Hardware damage

d)

App crashes

103.

Which is a synchronous communication method?

a)

Email

b)

Live video call

c)

Postcards

d)

Printed notes

104.

Asynchronous communication means:

a)

Real-time only

b)

Participants respond at different times

c)

Only phone calls allowed

d)

Text disappears automatically

105.

One common disadvantage of social media is:

a)

Increased manual labor

b)

Spread of misinformation

c)

Limited content options

d)

Lack of users

106.

Digital etiquette is also called:

a)

Digicode

b)

Netiquette

c)

Cybertalk

d)

Info-courtesy

107.

A private direct message (DM) is sent:

a)

Publicly

b)

Privately to individuals

c)

Via radio antenna

d)

Through USB sharing

108.

A common way to reduce online conflict is to:

a)

Respond angrily

b)

Think before posting

c)

Post anonymously

d)

Delete all apps

109.

Which digital behavior can be legally punishable?

a)

Sharing memes

b)

Cyberbullying

c)

Posting selfies

d)

Reading comments

110.

A “viral post” means:

a)

Has a computer virus

b)

Spreads rapidly online

c)

Encrypted data

d)

Removed by moderators

111.

A common sign of a fake profile is:

a)

Many verified posts

b)

No real photos or inconsistent info

c)

Regular updates

d)

Known friends

112.

Digital collaboration tools include:

a)

Notepad

b)

Google Workspace

c)

Scissors

d)

Whiteboard only

113.

Which is an example of responsible online sharing?

a)

Posting personal passwords

b)

Verifying facts before posting

c)

Sharing copyrighted files

d)

Posting private info of others

114.

A potential danger of oversharing is:

a)

Faster internet

b)

Identity theft

c)

Increased privacy

d)

Better screen time

115.

In digital communication, “tone” is often misunderstood because:

a)

Text lacks facial and vocal cues

b)

The internet is too slow

c)

Phones block emotion

d)

Emojis are outdated

116.

Social media algorithms usually show:

a)

Random content

b)

Personalized content based on user behavior

c)

Government-only posts

d)

Newly deleted messages

117.

Editing a photo to mislead others is called:

a)

Creative use

b)

Digital manipulation

c)

Secure compression

d)

Optical filtering

118.

Cyberbullying often happens through:

a)

Telepathy

b)

Digital communication tools

c)

Radio shows

d)

Physical letters

119.

Which platform is primarily image-centered?

a)

LinkedIn

b)

Instagram

c)

Wikipedia

d)

Dropbox

120.

A hashtag is used to:

a)

Encrypt messages

b)

Categorize content

c)

Reset passwords

d)

Format text

121.

"Echo chamber" in social media refers to:

a)

Sound recording space

b)

Only seeing posts that match your beliefs

c)

Data backup system

d)

Group chats only

122.

Which digital action can harm reputation?

a)

Sharing correct info

b)

Posting offensive content

c)

Using privacy settings

d)

Logging out

123.

Geotagging adds:

a)

GPS location to posts

b)

Filters

c)

Emojis

d)

Captions

124.

A verified social media account is usually marked by:

a)

Blue checkmark

b)

Hashtag

c)

QR code

d)

Cloud icon

125.

A podcast is a form of:

a)

Digital audio communication

b)

Hard copy printing

c)

Encrypted messaging

d)

VR simulation

126.

Crowdsourcing involves:

a)

One expert only

b)

Contributions from many users

c)

Automated bots

d)

Private collaboration only

127.

Digital harassment may include:

a)

Encouragement messages

b)

Repeated unwanted contact

c)

Compliments

d)

Educational videos

128.

A livestream is:

a)

Pre-recorded only

b)

Real-time broadcast

c)

Offline only

d)

Noninteractive

129.

Responsible digital citizenship means:

a)

Ignoring online safety

b)

Using technology ethically

c)

Posting everything publicly

d)

Disabling privacy settings

130.

One risk of public Wi-Fi during communication is:

a)

Premium speed

b)

Data interception

c)

Longer battery life

d)

Free promotions

131.

Phishing on social media often appears as:

a)

Verified emails

b)

Suspicious messages asking for info

c)

System security updates

d)

Normal notifications

132.

Influencers mainly affect:

a)

Weather

b)

Consumer behavior

c)

Computer hardware

d)

Wi-Fi range

133.

A major advantage of digital communication is:

a)

Zero misinformation

b)

Instant global reach

c)

Guaranteed accuracy

d)

Offline-only access

134.

Which message type is most secure?

a)

Postcard

b)

Encrypted chat

c)

SMS

d)

Open forum post

135.

"Trolling" refers to:

a)

Giving helpful feedback

b)

Provoking others online

c)

Organizing study groups

136.

Posting someone's info without permission is:

a)

Crowdsourcing

b)

Doxxing

c)

Hashing

d)

Threading

137.

"Digital divide" refers to differences in:

a)

Age groups

b)

Access to technology

c)

Screen sizes

d)

Phone colors

138.

Cybersecurity refers to protecting:

a)

Furniture

b)

Digital systems and data

c)

Natural resources

d)

Road networks

139.

A strong password should:

a)

Include only letters

b)

Combine symbols, numbers, and cases

c)

Use your full name

d)

Use "123456"

140.

Malware is:

a)

Helpful software

b)

Harmful software

c)

A programming language

d)

A search engine

141.

A virus spreads by:

a)

Physical contact

b)

Attaching itself to files

c)

Sound waves

d)

Keyboard shortcuts

142.

Phishing aims to:

a)

Repair devices

b)

Steal sensitive information

c)

Speed up internet

d)

Install updates

143.

Ransomware locks:

a)

Keyboard

b)

Files until payment

c)

Wi-Fi router

d)

Camera lens

144.

Encryption converts data into:

a)

Plain text

b)

Unreadable format

c)

Printed paper

d)

Barcodes

145.

Two-factor authentication improves security by:

a)

Adding a second verification step

b)

Changing wallpaper

c)

Resetting device

d)

Auto-replying

146.

A firewall is used to:

a)

Boost brightness

b)

Filter network traffic

c)

Clean keyboards

d)

Enhance audio

147.

Spyware is designed to:

a)

Improve boot speed

b)

Secretly monitor activities

c)

Fix hardware

d)

Update apps

148.

A data breach occurs when:

a)

Files are cleaned

b)

Unauthorized access happens

c)

Devices restart

d)

Antennas break

149.

Public Wi-Fi is risky because:

a)

It is too fast

b)

Attackers may intercept data

c)

It drains battery

d)

It blocks signals

150.

A secure website starts with:

a)

http://

b)

https://

c)

ftp://

d)

mailto://

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