Explore topic-wise MCQs in Operating System.

This section includes 99 Mcqs, each offering curated multiple-choice questions to sharpen your Operating System knowledge and support exam preparation. Choose a topic below to get started.

1.

Type of computer data transmission which uses a clock to control the timing of bit being sent is

A. synchronous
B. parallel
C. asynchronous
D. serial
Answer» B. parallel
2.

The media texts may throw up discourses and are called ____________

A. Binary oppositions
B. Violations
C. Oppositions
D. Media Illiteracy
Answer» B. Violations
3.

Capability of translating voice into text is known as

A. speech recognition
B. voice recognition
C. Both a and b
D. image recognition
Answer» D. image recognition
4.

__________ describes the effect of involving the reader with the story, of constructing it as truth .

A. Narration
B. Identification
C. Plot
D. Characters
Answer» C. Plot
5.

Process of translating analog audio signals into digital codes is called

A. modulation
B. digitizing
C. compiling
D. converting
Answer» C. compiling
6.

Transmission type which transmits data one character at a time, with the sender and receiver not synchronized with each other is termed as

A. synchronous
B. ethernet
C. asynchronous
D. internet
Answer» D. internet
7.

In Real Time Interactive Audio Video, to prevent jitter, we can time-stamp the packets and separate the arrival time from the

A. Frame Time
B. Playback Time
C. Pixels Time
D. Packet Time
Answer» C. Pixels Time
8.

A compressed audio/video file can be downloaded as a

A. Image
B. Video
C. Frame
D. Text file
Answer» E.
9.

In Session Initiation Protocol (SIP), the session can be terminated with a

A. OK Message
B. Bye Message
C. Terminate Message
D. Quit Message
Answer» C. Terminate Message
10.

When a caller needs to communicate with the callee, the caller can use the e-mail address instead of the IP address in the

A. OK Message
B. Bye Message
C. INVITE Message
D. Great Message
Answer» D. Great Message
11.

What do you call a single point on a computer screen?

A. Cell
B. Element
C. Bit
D. Pixel
Answer» E.
12.

A Pixel is __________

A. A computer program that draws picture
B. A picture stored in secondary memory
C. The smallest resolvable part of a picture
D. None of these
Answer» D. None of these
13.

In Real-Time Transport Protocol (RTP), A source sends a bye message to shut down a

A. System
B. Frames
C. Protocol
D. Stream
Answer» E.
14.

In Voice Over IP, Term SIP stands for

A. Session Initiation Protocol
B. Session Initiation Port
C. Session Initiation Path
D. Session Initiation Packet
Answer» B. Session Initiation Port
15.

The Real-time traffic needs the support of

A. multicasting
B. Translation
C. integration
D. security
Answer» B. Translation
16.

While sending an e-mail, the line describes the contents of the message:

A. subject
B. to
C. contents
D. cc
Answer» B. to
17.

Session Initiation Protocol (SIP), is designed to be independent of the underlying

A. Linear Layer
B. Data Link Layer
C. Transport Layer
D. Presentation Layer
Answer» D. Presentation Layer
18.

In Real Time Interactive Audio Video, Jitter is introduced in real-time data by the delay between

A. Frames
B. Layers
C. Pixels
D. Packets
Answer» E.
19.

The media player uses the URL in the metafile to access the media server to

A. download the file
B. Upload the file
C. Stored The File
D. Stream the file
Answer» B. Upload the file
20.

What is the storage area for email messages called?

A. folder
B. directory
C. mailbox
D. hard disk
Answer» D. hard disk
21.

Unsolicited commercial email is commonly known as …………….

A. junk
B. draft
C. hypertext
D. spam
Answer» E.
22.

In Real-Time Transport Protocol (RTP), the source periodically sends a source description message to give additional infonnation about

A. Message
B. Itself
C. Protocols
D. Packets
Answer» C. Protocols
23.

MP3 produces three data rates from 96 Kbps to

A. 128 Kbps
B. 164 Kbps
C. 256 Kbps
D. 320 Kbps
Answer» C. 256 Kbps
24.

Moving Picture Experts Group (MPEG-2), was designed for high-quality DVD with a data rate of

A. 3 to 6 Mbps
B. 4 to 6 Mbps
C. 5 to 6 Mbps
D. 6 to 6 Mbps
Answer» B. 4 to 6 Mbps
25.

In Audio and Video Compression, each frame is divided into small grids, called picture elements or

A. Frame
B. Packets
C. Pixels
D. Mega Pixels
Answer» D. Mega Pixels
26.

In Video Compression, an independent frame that is not related to any other frame is called

A. B-Frame
B. C-Frame
C. I-Frame
D. P-Frame
Answer» D. P-Frame
27.

A video consists of a sequence of

A. Frames
B. Signals
C. Packets
D. Slots
Answer» B. Signals
28.

Which among the following is an example of computer simulated environment?

A. Audio visual Aids
B. Video Conference
C. Social Networking groups
D. Virtual Reality
Answer» E.
29.

An e-mail address typically consists of a user ID followed by the .................... sign and the name of the e-mail server that manages the user’s electronic post office box.

A. @
B. &
C. #
D. *
Answer» B. &
30.

Which file format is for Photoshop?

A. JPEG
B. PSD
C. ODT
D. DOC
Answer» C. ODT
31.

The .............. file format is a method of encoding pictures on a computer.

A. HTML
B. URL
C. JPEG
D. DOC
Answer» D. DOC
32.

.............. is a popular technology that allows an electronic device to exchange data using radio waves.

A. Intranet
B. LAN
C. Wi-Fi
D. Internet
Answer» D. Internet
33.

The most common compression technique that is used to create CD-quality audio is based on the perceptual encoding technique is called

A. Predictive Encoding
B. Perceptual Encoding
C. MPEG
D. JPEG
Answer» C. MPEG
34.

Which among the following field is used to send an email to a third party?

A. To
B. Copy to
C. BCC
D. Attach
Answer» D. Attach
35.

With regard to e-mail, what does Bcc mean?

A. Blind Computer Communication : - The users specified in the Bcc : field will get the e-mail and see the addresses in the to : and cc : fields.
B. Blind Carbon Copy : - The users specified in the Bcc : field will get the e-mail and see the addresses in the to : and cc : fields.
C. Blind Computer Communication :- The users specified in the Bcc : field will get the e-mail but it will be an audio file because this is how blind people get e-mail.
D. Blind Carbon Copy : The users specified in the Bcc : field will get the e-mail but will not see the addresses in the to : and cc : fields.
Answer» C. Blind Computer Communication :- The users specified in the Bcc : field will get the e-mail but it will be an audio file because this is how blind people get e-mail.
36.

In Audio and Video Compression, voice is sampled at 8000 samples per second with

A. 5 bits per sample
B. 6 bits per sample
C. 7 bits per sample
D. 8 bits per sample
Answer» E.
37.

The Primary Colors for Color TV are

A. Blue, White, Black
B. Red, Green, Yellow
C. Red, Green, Black
D. Red, Green, Blue
Answer» E.
38.

Many bitmapped images in a sequence is known as

A. JPEG animation
B. tweening
C. TIF animation
D. GIF animation
Answer» E.
39.

The purpose of dividing the picture into blocks is to decrease the number of

A. Channels
B. Pixels
C. Calculations
D. Frames
Answer» D. Frames
40.

.............. is a protocol used by e-mail clients to download e-mails to your computer.

A. TCP
B. FTP
C. SMTP
D. POP
Answer» E.
41.

Multiplane camera was introduced by walt disney.

A. True
B. False
C. May be
D. Can't say
Answer» B. False
42.

According to the Nyquist theorem, if the highest frequency of the signal is f, we need to sample the signal

A. 19 Times/Sed
B. 20 Times/Sed
C. 21 Times/Sed
D. 22 Times/Sed
Answer» D. 22 Times/Sed
43.

RTCP stands for

A. Real-time Transport Control Program
B. Real-time Transport Control Packet
C. Real-time Transport Control Protocol
D. Real-time Transport Control Path
Answer» D. Real-time Transport Control Path
44.

In the lowest resolution a color frame is made of

A. 1024 x 768 pixels
B. 800 X 600 pixels
C. 1152 X 864 Pixels
D. 1280 X 1080 pixels
Answer» B. 800 X 600 pixels
45.

Which of the following is the appropriate format of URL of e-mail?

A. www_mail.com
B. www@mail.com
C. WWW@mail.com
D. www.mail.com
Answer» C. WWW@mail.com
46.

A Pixel is __________

A. The smallest resolvable part of a picture
B. A picture stored in secondary memory
C. A computer program that draws picture
D. None of the above
Answer» B. A picture stored in secondary memory
47.

Moving Picture Experts Group (MPEG) is used to compress

A. Frames
B. Images
C. Audio
D. Video
Answer» E.
48.

JPEG stands for:

A. Joint Photographic Experts Group
B. Joint Picture Exports Group
C. Joint Picture Export Graphics
D. Joint Picture Extra Group
Answer» B. Joint Picture Exports Group
49.

Perceptual encoding is based on the science of

A. Frames
B. Music
C. Rhythm
D. psychoacoustics
Answer» E.
50.

A concentric ring on a disk is referred to as a

A. track
B. sector
C. table
D. segment
Answer» B. sector