Technology Questions and Answers

Q: Which of the following is an example of Augmented Reality (AR) ?

An example of augmented reality is Google Glass.Google Glass is a head-mounted display that overlays information, such as directions and messages, on the wearer's view of the real world, which is what augmented reality means.Virtual reality games replace the real world rather than augmenting it, blockchain ledgers are a data technology, and autonomous robots are machines that act on their own.

Q: Which of the following cloud concept/s is/are related to pooling and sharing of resources ?(i) Virtual Memory(ii) Service(iii) VirtualizationChoose the correct answer from the options given below :

The concept related to pooling and sharing of resources is (iii) only, virtualization.Virtualization lets one physical server, store or network be divided into many virtual machines and resources that can be pooled and allotted to different users on demand. That is the basis of the resource pooling that cloud computing provides.Virtual memory is an operating system technique that gives each process the illusion of a large private memory on one machine, and 'service' is a delivery model, so neither is the concept of pooling and sharing.

Q: Which of the following is not provided as a service in cloud computing ?

The one not provided as a cloud service is Architecture as a service.The three standard cloud service models are Infrastructure as a Service (virtual machines, storage, networks), Platform as a Service (runtime and development platforms) and Software as a Service (complete applications over the internet).'Architecture as a service' is not one of the recognised service models.

Q: Temporarily renting the capacity to handle spikes in load is called

It is called Cloud bursting.In cloud bursting an application normally runs in a private data centre and, when demand spikes beyond its capacity, 'bursts' into a public cloud, renting extra capacity only for as long as it is needed.Cloud computing is the general model, not this particular practice, and 'cloud sharing' and 'cloud loading' are not the term used for renting spare capacity during load spikes.

Q: Out of the following, which one is the most restrictive and refined service model ?

The keyed answer is PaaS.The wording 'most refined and restrictive service model' is taken from a standard cloud computing quiz, where it is attached to Platform as a Service. A PaaS customer must work inside a fixed platform (the operating system, runtime and tools are chosen by the provider) and can deploy only applications that fit it.IaaS gives the customer the virtual hardware and the most freedom, so it is the least restrictive. CaaS gives containers on a managed engine, which is looser than a full platform. SaaS is the one that leaves the customer with least control if 'restrictive' means how little the user can change, so a reader could defend it; but SaaS is a finished application rather than a model for building one, which is the sense the key follows.

Q: Bluetooth is a type of radio wave information transmission system that is good for about _____.

Bluetooth is good for about 30 feet.Most Bluetooth devices, such as phones and headsets, are Class 2 radios with a range of about 10 metres, which is roughly 33 feet. It is a short-range personal-area network operating at 2.4 GHz.30 yards is about 27 metres, three times the usual range, and 30 or 300 miles are distances for cellular or broadcast systems, not for Bluetooth.

Q: When was Edusat launched ?

EDUSAT was launched in September, 2004.EDUSAT (GSAT-3), India's first satellite built exclusively for education, was launched on 20 September 2004 by the GSLV from Sriharikota. It provided satellite links for distance education across the country.The other dates do not match the launch.The launch was also the first operational flight of the GSLV, after two developmental flights.

Q: Which rocket is also known as the "Workhorse of ISRO' ?

The 'Workhorse of ISRO' is the PSLV.The Polar Satellite Launch Vehicle has flown dozens of successful missions since the 1990s, carrying Chandrayaan-1, the Mars Orbiter Mission and a record 104 satellites in one launch in 2017. Its reliability earned it the name ISRO's workhorse.GSLV is used for heavier geosynchronous satellites, while ASLV and the early SLV series were older experimental vehicles.

Q: Between Start and Finish in AutoContent Wizard, how many steps are there ?

The AutoContent Wizard has three steps between Start and Finish.It asked for the type of presentation, the output medium and the title and footer, then generated an outline with suggested content. It was removed after PowerPoint 2003.

51.

Which of the following is an example of Augmented Reality (AR) ?

A.Google Glass
B.Virtual Reality games
C.Blockchain ledger systems
D.Autonomous robots.

Exam Year(s)

Tripura Public Service Commission - 2025,

Answer: A

An example of augmented reality is Google Glass.

Google Glass is a head-mounted display that overlays information, such as directions and messages, on the wearer's view of the real world, which is what augmented reality means.

Virtual reality games replace the real world rather than augmenting it, blockchain ledgers are a data technology, and autonomous robots are machines that act on their own.

Discuss in Forum

52.

Which of the following cloud concept/s is/are related to pooling and sharing of resources ?

(i) Virtual Memory
(ii) Service
(iii) Virtualization

Choose the correct answer from the options given below :

A.(iii) only
B.(i) and (ii) only
C.(i) only
D.(ii) only

Exam Year(s)

Tripura Public Service Commission - 2025,

Answer: A

The concept related to pooling and sharing of resources is (iii) only, virtualization.

Virtualization lets one physical server, store or network be divided into many virtual machines and resources that can be pooled and allotted to different users on demand. That is the basis of the resource pooling that cloud computing provides.

Virtual memory is an operating system technique that gives each process the illusion of a large private memory on one machine, and 'service' is a delivery model, so neither is the concept of pooling and sharing.

Discuss in Forum

53.

Which of the following is not provided as a service in cloud computing ?

A.Infrastructure as a service
B.Architecture as a service
C.Software as a service
D.Platform as a service

Exam Year(s)

Tripura Public Service Commission - 2025,

Answer: B

The one not provided as a cloud service is Architecture as a service.

The three standard cloud service models are Infrastructure as a Service (virtual machines, storage, networks), Platform as a Service (runtime and development platforms) and Software as a Service (complete applications over the internet).

'Architecture as a service' is not one of the recognised service models.

Discuss in Forum

54.

Temporarily renting the capacity to handle spikes in load is called

A.Cloud sharing
B.Cloud computing
C.Cloud bursting
D.Cloud loading

Exam Year(s)

Tripura Public Service Commission - 2025,

Answer: C

It is called Cloud bursting.

In cloud bursting an application normally runs in a private data centre and, when demand spikes beyond its capacity, 'bursts' into a public cloud, renting extra capacity only for as long as it is needed.

Cloud computing is the general model, not this particular practice, and 'cloud sharing' and 'cloud loading' are not the term used for renting spare capacity during load spikes.

Discuss in Forum

55.

Out of the following, which one is the most restrictive and refined service model ?

A.SaaS
B.IaaS
C.CaaS
D.PaaS

Exam Year(s)

Tripura Public Service Commission - 2025,

Answer: D

The keyed answer is PaaS.

The wording 'most refined and restrictive service model' is taken from a standard cloud computing quiz, where it is attached to Platform as a Service. A PaaS customer must work inside a fixed platform (the operating system, runtime and tools are chosen by the provider) and can deploy only applications that fit it.

IaaS gives the customer the virtual hardware and the most freedom, so it is the least restrictive. CaaS gives containers on a managed engine, which is looser than a full platform. SaaS is the one that leaves the customer with least control if 'restrictive' means how little the user can change, so a reader could defend it; but SaaS is a finished application rather than a model for building one, which is the sense the key follows.

Discuss in Forum

56.

The most non-polluting and efficient lighting device is

A.CFL
B.LED
C.Fluorescent light
D.None of these

Exam Year(s)

Tripura Public Service Commission - 2021,

Answer: B

The most non-polluting and efficient lighting device is the LED.

A light-emitting diode converts a much larger share of electrical energy into light than older lamps, uses less power than a CFL for the same light, lasts far longer, and contains no mercury.

CFLs and other fluorescent lights work by exciting mercury vapour, so they contain mercury, which pollutes when lamps are broken or discarded, and they are less efficient than LEDs.

Discuss in Forum

57.

Bluetooth is a type of radio wave information transmission system that is good for about _____.

A.30 feet
B.30 yards
C.30 miles
D.300 miles

Exam Year(s)

Tripura Public Service Commission - 2019,

Answer: A

Bluetooth is good for about 30 feet.

Most Bluetooth devices, such as phones and headsets, are Class 2 radios with a range of about 10 metres, which is roughly 33 feet. It is a short-range personal-area network operating at 2.4 GHz.

30 yards is about 27 metres, three times the usual range, and 30 or 300 miles are distances for cellular or broadcast systems, not for Bluetooth.

Discuss in Forum

58.

When was Edusat launched ?

A.October, 1988
B.June, 2001
C.September, 2004
D.March 2008

Exam Year(s)

Tripura Public Service Commission - 2019,

Answer: C

EDUSAT was launched in September, 2004.

EDUSAT (GSAT-3), India's first satellite built exclusively for education, was launched on 20 September 2004 by the GSLV from Sriharikota. It provided satellite links for distance education across the country.

The other dates do not match the launch.

The launch was also the first operational flight of the GSLV, after two developmental flights.

Discuss in Forum

59.

Which rocket is also known as the "Workhorse of ISRO' ?

A.GSLV
B.PSLV
C.ASLV
D.RSLV

Exam Year(s)

Tripura Public Service Commission - 2021,

Answer: B

The 'Workhorse of ISRO' is the PSLV.

The Polar Satellite Launch Vehicle has flown dozens of successful missions since the 1990s, carrying Chandrayaan-1, the Mars Orbiter Mission and a record 104 satellites in one launch in 2017. Its reliability earned it the name ISRO's workhorse.

GSLV is used for heavier geosynchronous satellites, while ASLV and the early SLV series were older experimental vehicles.

Discuss in Forum

60.

Between Start and Finish in AutoContent Wizard, how many steps are there ?

Answer: B

The AutoContent Wizard has three steps between Start and Finish.

It asked for the type of presentation, the output medium and the title and footer, then generated an outline with suggested content. It was removed after PowerPoint 2003.

Discuss in Forum

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