Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Knowledge > Tech > Flashcards

Tech Flashcards

1
Q

वह कौनसा search engine जो सिर्फ text से संबंधित चीजों को दिखाते है?

A

Lynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Aperture

A

the less the better photo, f1.2 better than f5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Bokeh

A

Subject is in focus and background is blurred

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

ISO

A

light sensitivity, 100 means less sensitive 1400 sensitive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

raw file

A

lots of info about colors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

EIS & OIS

A

OIS is hardware based, EIS is software based

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Optical, digital & hybrid zoom

A

Optical(hardware based) - lossless, digital zoom zooms the photo with quality loss, hybrid is optical + digital zoom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

HDR

A

makes the photo equally bright in exposures by taking over and underexposed photos and combining them

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

TOF

A

time of flight measures the depth of sub with the backgound with infrared

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Ultrawide lens

A

Ultrawide lens is more wide so we get wider picture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Raster VS vector format

A

Raster format is pixel based, uncompressed, big file
Vector format is stored mathematical calculations, lossless

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

JPEG

A

Joint Photographic Experts Group

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

PNG

A

Portable Network Graphics, lossless, transparent bg possible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

GIF

A

Graphics Interchange Format, only 256 colors, patent free

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

TIFF

A

Tagged image file format, big file size, large color gamut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

BMP

A

Bitmap BMP by windows, used for printing, big file

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

IP Rating

A

Ingress protection rating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

CPU cores

A

CPU cores- prime, efficiency, performance
Prime core heavy tasks
Efficiency core battery saving tasks
Performance cores mid level tasks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Use of 1.1.1.1

A

1.1.1.1 dns service by cloud flare, who can put our website in a content delivery network which can absorb ddos attacks, it doesn’t keep logs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

ISP

A

Image signal processor - auto focus, Inst capture, stabilization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Steps for photography

A

Clean lens, exposure, focus, take big photo then crop, use pro mode, edit with editor, keep hdr at auto

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

DDR 4 VS DDR 5

A

ddr 4: max bandwidth 3.2Gbps, 1600-3200MHz frequency, power management on motherboard, 1 channel, , burst length of 8, max capacity 32Gb per stick

ddr 5: max bandwidth 6.4Gbps, 3200-6400MHz, on RAM stick, power efficient, 2 channels, burst length of 16, 128GB per stick

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

shutter speed=

A

Shutter speed = 2×frame rate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

VSNL

A

विदेश संचार निगम लिमिटेड

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

digital cryptographic key is used to

A

authenticate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Passkey Authentication support by chrome

A

login without otp or password

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

click farms

A

automatically downloading apps and softwares and auto reviewing it to increase the rating of it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

call forwarding code

A

403phonenumber#

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

all files can still be accessed through your browser by

A

file:///sdcard/

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

generate 32 words in docs

A

=rand()

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

get related results

A

related:searchterm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

clear traces of browsing in incognito

A

after incognito browsing, enter brave://net-internals/#dns and clear host resolver cache

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

get computer info

A

run msinfo32

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

features of Premiere Pro

A

Lumetry scopes where we read the waves from left to right with a graph of Y axis 0-100, we can modify the exposures and make the waves approach 100. then RGB parade, equilizing the 3 channels(RGB) and Vectroscope to adjust skin tone (RGB waves)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Core functions of Mobile device management

A

Enable, Secure & Manage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

remove traces of metadata from pictures by?

A

Don’t give camera & location permission to whatsapp as it could be found out through site called exif.regex.info through which anyone can know your location

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

things for file sharing

A

web hosting, domain name and file sharing software

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

While receiving an international call, if an Indian number or no number is displayed on your phone, contact

A

DoT toll free number 1800 110 420 / 1963

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

malvertising

A

Infections delivered through malvertising does not require any user action (like clicking) to compromise the system and it does not exploit any vulnerabilities on the website or server it is hosted from

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

play video at a timestamp

A

At the end of URL type &t=1m45s skip intro of video by url &start=120s only sec allowed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

search for an image of a particular quality

A

searchterm imagesize: 1980x1080

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

what is B-roll

A

supplemental or alternativefootage intercut with the main shot.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

ATX power connector

A

Connects power supply to motherboard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Start Safe Mode

A
  1. pressing F8 at startup or
  2. troubleshoot >advanced settings > startup settings > 4 or
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Incase of fraudulent SMS, calls or URLs

A

Immediately dial 1930 or register complaint on cybercrime.gov.in

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

ms powertoys used to:

A

remap keyboard shortcut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

client is also known as

A

end-user

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Uptime VS Runtime

A

Uptime is time since reboot and runtime is time for program execution in a pc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Complaint not responded to by your bank/NBFC/e-wallet for 30 days/not satisfied with the reply received?

A

Approach RBI Ombudsman athttps://cms.rbi.org.in. -RBI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

How to set icon for drive?

A

Get a picture with bmp format and make a file with [autorun] enter icon = filename.bmp and save as autorun.inf then move the pic and file to the drive and hide it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Make the menu appear

A

Alt + F - Makes the menu bar appear (if hidden)

52
Q

list of users who have access to the PC

A

Run netplwiz

53
Q

view password of any internet connection

A

ctrl panel>Net & Internet>Net sharing centre>click on that connection>wireless prop>security

54
Q

Inspect tab

A

F12

55
Q

to read blogs without signing up

A

archive.is/website_name

56
Q

RJ

A

Registered Jack

57
Q

BRD

A

blue ray disk

58
Q

Plotter used for

A

mass printing

59
Q

what is block transfer

A

transfer btw CPU & cache

60
Q

Seek Time VS Latency time VS Access time

A

Amount of time it takes a hard drive’s read/write head to find the physical location of a piece of data on the disk.
Time required to move the disk arm to the required track
Latency is average time for the sector being accessed to rotate into position under a head, after a completed seek.Define latency, transfer and seek time with respect to disk I/O
time it takes for the beginning of the required sector to reach the head
Access time = Seek + Latency

61
Q

Display the password of wifi using cmd

A

Run as admin
netsh wlan show profile
When it shows all profiles,
… profile name=”that_name” key=clear

62
Q

Hub

A

all messages are broadcasted to all, cheap, simple, used in LAN, half duplex, robust. If hub failed the network will fail, no security

63
Q

Switch

A

Send privately, identifies devices with MAC address, smarter than hub, unicast, secure, full duplex,transmission is possible via mac address, expense, if it fails the net will fail

64
Q

Router

A

Chooses free path for data transmission, receives data packets, analyses, forwards to sender, high speed, both wire + wireless, expensive, complex, less security

65
Q

Repeater

A

Boosts weak signal, regenerates signal, wire + wireless, cheap, extends signal length, many of them are needed

66
Q

Bridge

A

Connects diff networks, data transmission, uses all layers of OSI, we can’t access internet w/o it, secure, expensive, slow speed

67
Q

NIC

A

NIC - Network interface card, types: internal + external, internal card is inserted wih motherboard + RJ45, external card types: wire + wireless, not secure, not portable

68
Q

Modem

A

Modulator demodulator, btw computer & telephone line, modulator converts digital to analog signal

69
Q

IMAP

A

Internet mail access protocol

70
Q

FTP Port

A

21

71
Q

SMTP port

A

25

72
Q

PPP port

A

110

73
Q

IMAP port

A

143

74
Q

HTTP port

A

80

75
Q

HTTPS port

A

443

76
Q

TCP

A

Connection oriented protocol, reliable, slower than UDP, header size is 20 bytes

77
Q

UDP

A

Connectionless protocol, not reliable, faster than TCP, header byte size is 8 bytes

78
Q

Simplex

A

Uni- directional like loudspeaker, keyboard

79
Q

Half duplex

A

Bi-directional but not at the same time like walkie talkie

80
Q

Full Duplex

A

bidirectional at the same time like telephone

81
Q

Parallel data transmission

A

Transmission of multiple data bits via multiple channels

82
Q

Serial data transmission

A

Transmission of data bits 1 at a time over 1 channel, types: synchronous, asynchronous

83
Q

Synchronous

A

Lot of data sent in a block, each block has many characters

84
Q

Asynchronous

A

Only 1 character is sent at a time, uses start(0) or stop(1) to transfer data

85
Q

MIME

A

Multipurpose internet mail extension

86
Q

MAC Address length

A

48 bits

87
Q

IPv4 VS IPv6

A

IPv4 - 32 bits, 4 octet, 0-255, 4Billion
IPv6 - 128 bits, 8 octet, 0-65535, 340 trillion

88
Q

Server

A

Provides backup, secure, storage, typesv file server, app server, web server, database server

89
Q

Unguided Media VS guided media

A

Guided media - wired, uses conductor to transmit signal, provjdes direction to signal, fast, coacial, optical fibre

90
Q

Encrypt directory

A

cipher /e or /d F:/Filepath/

91
Q

Removes traces of deleted files

A

cipher /w:F:/Filepath/

92
Q

Filter paper test

A

Pure petrol evaporates but unpure petrol shows a mark on the filter paper indicating the presence of some ‘मिलावट’

93
Q

Density test:

A

Using thermometer & hydrometer, pure petrol has 710kg/m³ to 770kg/m³

94
Q

Focal length:

A

Distance btw optical center & sensor plane

95
Q

50mm field of view lens is called:

A

normal lens

96
Q

Wide angle lens have ________mm field of view

A

> 50mm

97
Q

Fisheye lenses

A

Lenses that have an FOV of 180°

98
Q

Telephoto lens

A

If FOV are > 50mm

99
Q

Prime vs zoom lenses:

A

prime: 1 focal length, also called fixed lenses, sharp, large aperture.
Zoom has variable focal length, convinient, flexible, save space & weight

100
Q

Types of zoom lenses:

A

Variable & constant aperture

101
Q

Minimum focus distance:

A

Minimum dist btw camera & subject only to which the lense can focus

102
Q

SPF

A

Sender policy framework

103
Q

DKIM

A

Domain keys identified mail

104
Q

DMARC

A

Domain-based message authentication reporting & conformance

105
Q

ADSL

A

assymetric digital subscriber line

106
Q

UDF

A

Universal disk format

107
Q

i3 vs i5 vs i7

A

i3 - dualcore + hyperthreading
i5 - quadcore + no hyperthreading + turboboost
i7 - hyperthreading + quadcore + turboboost + kernel

108
Q

what is carding

A

stealing info from magnetic strip

109
Q

codec

A

compression tech for converting analog to digital

110
Q

SD vs SDHC vs SDXC vs UHS 1

A

SD - 4GB
SDHC - 64GB
SDXC - 2TB
UHS - 4k recording

111
Q

Shen PC shows black screen with just mouse pointer, reset graphics card by

A

Win + Ctrl + Shift + B

112
Q

types of mail delivery

A

local - gmail to gmail
outbound - gmail to yahoo

113
Q

Using HTTPS data is encrypted using

A

SSL or TLS

114
Q

pop3 requires

A

authenticaiton

115
Q

AVOD

A

Advertising Video On Demand

116
Q

SVOD

A

Subscription Video On Demand

117
Q

TVOD

A

Transaction Video On Demand

118
Q

VPS hosting has _______ no. of sites on the server than a shared hosting

A

Less

119
Q

First village of india

A

Uttarakhand

120
Q

A.P capital

A

Vishakhapatnam

121
Q

China capital

A

Beijing

122
Q

0 discrimination day

A

1st march

123
Q

world book and copyright day

A

23 apr

124
Q

world wildlife day

A

3rd march

125
Q

RCS

A

Rich communication system

126
Q

RFR

A

Rapid security response

127
Q

WWDC

A

World wide Developer Conference

Knowledge (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions