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Technology Quiz - 2, General Knowledge - SSC CHSL MCQ


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25 Questions MCQ Test General Knowledge - Technology Quiz - 2, General Knowledge

Technology Quiz - 2, General Knowledge for SSC CHSL 2024 is part of General Knowledge preparation. The Technology Quiz - 2, General Knowledge questions and answers have been prepared according to the SSC CHSL exam syllabus.The Technology Quiz - 2, General Knowledge MCQs are made for SSC CHSL 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Technology Quiz - 2, General Knowledge below.
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Technology Quiz - 2, General Knowledge - Question 1

The sampling rate, (how many samples per second are stored) for a CD is...?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 1
CDs reproduce 44,100 samples per second. Which has a maximum frequency reproduction of 22,050 Hz, or just a hair past the upper limit of human hearing. In this way CDs can theoretically reproduce any frequency in the human hearing range.
Technology Quiz - 2, General Knowledge - Question 2

Who created Pretty Good Privacy (PGP)?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 2
Phil Zimmermann created the first version of PGP encryption in 1991. Pretty Good Privacy (PGP) is a data encryption and decryption computer program that provides cryptographic privacy and authentication for data communication. PGP is often used for signing, encrypting and decrypting texts, E-mails, files, directories and whole disk partitions to increase the security of e-mail communications.
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Technology Quiz - 2, General Knowledge - Question 3

What do we call a network whose elements may be separated by some distance? It usually involves two or more small networks and dedicated high-speed telephone lines.

Technology Quiz - 2, General Knowledge - Question 4

After the first photons of light are produced, which process is responsible for amplification of the light?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 4
The word "laser" is actually an acronym for light amplification by stimulated emission of radiation. Atoms or molecules of the active medium that have been excited to a higher energy level are stimulated by a passing photon to relax to a lower energy level and emit a photon that is indistinguishable from the passing photon, thereby increasing the number of photons like the incident one.
Technology Quiz - 2, General Knowledge - Question 5

Which is NOT an acceptable method of distributing small power outlets throughout an open plan office area?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 5
Extension cords can be a tripping hazard, and can be easily damaged, causing an unsafe situation. There are many ways of safely getting power to each work place, where wiring is protected and concealed.
Technology Quiz - 2, General Knowledge - Question 6

Sometimes computers and cache registers in a foodmart are connected to a UPS system. What does UPS mean?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 6
An uninterruptable power supply (UPS) is a backup power supply, such as a battery, that provides emergency power in the event that power is lost from the main supply.
Technology Quiz - 2, General Knowledge - Question 7

Who co-founded Hotmail in 1996 and then sold the company to Microsoft?

Technology Quiz - 2, General Knowledge - Question 8

'.TMP' extension refers usually to what kind of file?

Technology Quiz - 2, General Knowledge - Question 9

In the UK, what type of installation requires a fireman's switch?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 9
Neon lighting runs at a high voltage, typically above 1000 Volts. A fireman's switch protects a fireman from receiving a shock when a water jet is sprayed onto the installation. The switches are red, and mounted in a conspicuous position. (This is specified by IEE Regulations (Europe), SANS (South Africa), UK Electricity regulations and many Asian countries. I am unable to confirm other countries' requirements, so feel free to let me know.)
Technology Quiz - 2, General Knowledge - Question 10

The electromagnetic coils on the neck of the picture tube or tubes which pull the electron beam from side to side and up and down are called a...?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 10
Twisting the yoke will tilt the picture. A projection color television uses three picture tubes and yokes for red, green and blue light.
Technology Quiz - 2, General Knowledge - Question 11

In the United States the television broadcast standard is...?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 11
PAL and SECAM are standards used in other countries. RGB stands for red, green, and blue - the colors of light used to create an image in a color tv set and is often used as a format name for computer monitors.
Technology Quiz - 2, General Knowledge - Question 12

In a color television set using a picture tube a high voltage is used to accelerate electron beams to light the screen. That voltage is about...?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 12
This voltage often remains in storage even if the set is unplugged. Although the voltage is very high it has very low power but it can be dangerous because your body jumps if brought in contact.
Technology Quiz - 2, General Knowledge - Question 13

The transformer that develops the high voltage in a home television is commonly called a...?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 13
The flyback is usually connected to the system that pulls the electron beam across the screen in one direction to 'paint' a line of the image and then returns in the other direction much faster.
Technology Quiz - 2, General Knowledge - Question 14

Which consists of two plates separated by a dielectric and can store a charge?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 14
Useful in tuning and filtering circuits, it blocks DC while passing AC. How much charge a capacitor can store is its capacitance, measured in farads.nn
Technology Quiz - 2, General Knowledge - Question 15

What do we call a collection of two or more computers that are located within a limited distance of each other and that are connected to each other directly or indirectly?

Technology Quiz - 2, General Knowledge - Question 16

'.JPG' extension refers usually to what kind of file?

Technology Quiz - 2, General Knowledge - Question 17

What does AM mean?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 17
Amplitude modulation was the first type to be used in radio. It works well with HF and morse code.
Technology Quiz - 2, General Knowledge - Question 18

In what year was the "@" chosen for its use in e-mail addresses?

Technology Quiz - 2, General Knowledge - Question 19

'.TXT' extension refers usually to what kind of file?

Technology Quiz - 2, General Knowledge - Question 20

What was the first ARPANET message?

Technology Quiz - 2, General Knowledge - Question 21

The NTSC (National Television Standards Committee) is also used in the country of...?

Technology Quiz - 2, General Knowledge - Question 22

"FET" is a type of transistor, Its full name is ________ Effect Transistor...?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 22
The terminals of FETs are called gate, drain and source. You might be more familiar with bipolar junction transistors (BJTs), which have terminals called base, collector and emitter. FETs were conceptualized first, but BJTs were easier to produce and so developed sooner.
Technology Quiz - 2, General Knowledge - Question 23

What are three types of lasers?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 23
The first laser was a solid state laser. Solid state refers to any solid material like a glass rod. Diode lasers are very common because they are used to read compact disks and digital video disks in computers, CD players, and DVD players. Before diode lasers, the most common type of laser may have been the helium-neon laser, in which the active medium is a combination of the two gasses helium and neon.
Technology Quiz - 2, General Knowledge - Question 24

What will a UPS be used for in a building?

Detailed Solution for Technology Quiz - 2, General Knowledge - Question 24
UPS stands for Uninterruptible Power Supply. Examples of equipment that may require a UPS supply are computers, fire detection systems, hospital operating theatre equipment and escape route lighting.
Technology Quiz - 2, General Knowledge - Question 25

Who built the world's first binary digit computer: Z1...?

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