Define the term 'sample rate'.
A. Snapshots of sound are taken as the wave cannot be represented as a series  of continuous changes.
B. The number of samples taken each second
C. The number of bits used per second of audio
D. The number of bits available for each clip

1 Answer

Answer :

B. The number of samples taken each second

Related questions

Description : Suppose a digitized voice channel is made by digitizing 8 kHz bandwidth analog voice signal. It is required to sample the signal at twice the highest frequency (two samples per hertz). What is the bit rate required, if it ... sample requires 8 bits? (A) 32 kbps (B) 64 kbps (C) 128 kbps (D) 256 kbps

Last Answer : (C) 128 kbps

Description : An Image is represented by 65536 X8 bits, and after compression it reduced to 16384 X8 bits. What will be the compression ratio: a. 55% b. 65% c. 75% d. 85%

Last Answer : c. 75%

Description : The term for small images or icons that can be inserted into a document A. Clip art B. Layout C. DTP D. Posters

Last Answer : C. DTP

Description : In the encoded file, which type of changes are made in sysmbols ? a. They are compressed b. They are changed to a letter or symbol c. They are represented in the graphical form d. No changes are made

Last Answer : d. No changes are made

Description : A Huffman code: A = 1, B = 000, C = 001, D = 01 ,P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The average number of bits per letter is A. 8.0 bit B. 2.0 bit C. 1.9 bit D. 2.1 bit

Last Answer : C. 1.9 bit

Description : A Huffman code: A = 1, B = 000, C = 001, D = 01 ,P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The average number of bits per letter is a. 8.0 bit b. 2.0 bit c. 1.9 bit d. 2.1 bit

Last Answer : c. 1.9 bit

Description : A bitmap image is made up of A. Pixels B. Colours C. Sounds D. Samples

Last Answer : A. Pixels

Description : An artist makes an RGB raster image in which each pixel color is encoded with 12-bits --- 4 bits each for red, green and blue.Which of the following correctly shows the hexadecimal value for Red as a 12-bit representation A. F00 B. 00F C. FF00 D. FF0000

Last Answer : D. FF0000

Description : .............. means that a printed document will appear exactly as it does on-screen A. Layout B. Publish C. Clip art D. WYSIWYG

Last Answer : C. Clip art

Description : In data compression technique, each word is represented by what ? a) Digit b) Letter c) a or b d) Picture

Last Answer : c) a or b

Description : How do you calculate the number of bits of a body of text in ASCII? A. Number of characters * 7 B. Number of characters (including spaces) *7 C. bits in Huffman * 7 D. bits in Huffman / 7

Last Answer : B. Number of characters (including spaces) *7

Description : Entropy of a source is a. Self information of the source b. Average self information c. Average number of bits d. Both (a) and (b)

Last Answer : b. Average self information

Description : A rate of something that repeats over and over. A. Pulse B. Wave C. Velocity D. Frequency

Last Answer : C. Velocity

Description : Which formula shows how to work out the percentage a file has been compressed by? A. bits in (Huffman *7) /100 B. bits in ASCii - bits in Huffman C. difference in bits / bits in ASCII * 100

Last Answer : C. difference in bits / bits in ASCII * 100

Description : The basic idea behind Huffman coding is to A. compress data by using fewer bits to encode fewer frequently occuring characters B. compress data by using fewer bits to encode more ... frequently occuring characters D. expand data by using fewer bits to encode more frequently occuring characters

Last Answer : B. compress data by using fewer bits to encode more frequently occuring characters

Description : The basic idea behind Huffman coding is to a. compress data by using fewer bits to encode fewer frequently occuring characters b. compress data by using fewer bits to encode more ... frequently occuring characters d. expand data by using fewer bits to encode more frequently occuring characters

Last Answer : b. compress data by using fewer bits to encode more frequently occuring characters

Description : From the following, which option shows an issue faced with multimedia contents ? a) Converting multimedia information coming from hardware devices into computer data b) converting the computer data back into audio/ ... for playing on the hardware device c) a and b both d) None of these

Last Answer : c) a and b both

Description : Speed in a given direction A. Wavelength B. Frequency C. Velocity D. Waves per second

Last Answer : A. Wavelength

Description : A point where a wave crosses its resting line A. Node B. Frequency C. Transversal D. Trough

Last Answer : B. Frequency

Description : A wave in which the wave’s medium is compressed in the same direction as the movement of the wave A. Transversal wave B. Transverse wave C. Frequency wave D. compression wave

Last Answer : C. Frequency wave

Description : A wave in which the movement of the wave’s medium is perpendicular to the movement of the wave traveling through the medium A. Transverse waves B. Compression waves C. Nodular Waves D. Ocean Waves

Last Answer : A. Transverse waves

Description : A back-and-forth pattern of motion that transfers energy A. Wave B. Pulse C. Reflection D. Frequency

Last Answer : D. Frequency

Description : What is compression? A. To convert one file to another B. To reduce the size of data to save space C. To minimize the time taken for a file to be downloaded D. To compress something by pressing it very hard

Last Answer : B. To reduce the size of data to save space

Description : What is compression? a. To convert one file to another b. To reduce the size of data to save space c. To minimize the time taken for a file to be downloaded d. To compress something by pressing it very hard

Last Answer : b. To reduce the size of data to save space

Description : What type of compression actually deletes data and cannot be decompressed? A. File Compression B. Lossless Compression C. Lossy Compression D. Archive Compression

Last Answer : D. Archive Compression

Description : Which of the following is a true statement about data compression? A. Data compression techniques can be used to reduce the size of a file for storage or transmission. B. Data compression techniques can ... used if there may be a need to recover all of the original data from the compressed file.

Last Answer : A. Data compression techniques can be used to reduce the size of a file for storage or transmission.

Description : Why do computers use binary? A. Because It's all the understand.... B. Because a computer is a series of switches, 1 being on and 0 being off C. Because they can't understand ASCII D. Because UNICODE doesn't work

Last Answer : A. Because It's all the understand....

Description : Energy of movement A. Potential energy B. Kinetic energy C. Sound energy D. spring energy

Last Answer : D. spring energy

Description : What is the full form of M3U ? a) MPEG user sound reference file b) MPEG Universal Sound reference file c) MPEG unified sound reference file d) MPEG URL sound reference file

Last Answer : d) MPEG URL sound reference file

Description : What are the main reasons to compress data? A. To reduce secondary storage space B. To maximise the available RAM memory C. To speed up network transmission times D. To optimise the data

Last Answer : A. To reduce secondary storage space

Description : The number of dots of ink or toner per inch on a printed image. A. DPI B. RGB C. CMYK

Last Answer : B. RGB

Description : Information per source is called a. A. sampling b. B. quantization c. C. entropy d. D. normalization

Last Answer : c. C. entropy

Description : What are the options available to refresh snapshots ?

Last Answer : COMPLETE - Tables are completely regenerated using the snapshots query and the master tables every time the snapshot referenced. FAST - If simple snapshot used then a snapshot log can be used to ... Default value. If possible it performs a FAST refresh; Otherwise it will perform a complete refresh.

Description : Huffman trees use the _______________ of each character to work out their encoding. A. Frequency B. Order in ASCII C. Number value

Last Answer : A. Frequency

Description : Huffman trees use the _______________ of each character to work out their encoding. A. Frequency B. Order in ASCII C. Number value

Last Answer : A. Frequency

Description : Huffman trees use the _______________ of each character to work out their encoding. a. Frequency b. Order in ASCII c. Number value d. Both (a) and (b)

Last Answer : a. Frequency

Description : SNR is: A. Signal to Noise Ratio B. Signal to Net Ratio C. Signal to Noise Rate D. None of above

Last Answer : A. Signal to Noise Ratio

Description : Performance measure for Lossless Compression is __________: A. Distortion B. Fidelity C. Quality D. Rate

Last Answer : D. Rate

Description : The rate for a discrete source is simply the______. a. Entropy b. Loss c. Noise d. Distortion

Last Answer : a. Entropy

Description : An Image is Square array of 256X256 pixel requires 65536 bytes, and after compression it reduced to 16384 X8 bytes. What will be the compression rate: a. 2 b. 3 c. 4 d. 5

Last Answer : a. 2

Description : The binary code for each pixel is used to determine A. Which colour will be displayed B. How big the image is C. What shape the image is D. How many pixels will be in the image

Last Answer : A. Which colour will be displayed

Description : How many colours can be used for each pixel if the colour depth is 4 bit? A. 4 colours B. 5 colours C. 15 colours D. 16 colours

Last Answer : D. 16 colours

Description : A simple quantization scheme would be to represent each output of the source with the ____value closest to it. a. Codeword b. Integer c. Binary sequence d. Coordinates

Last Answer : b. Integer

Description : If link transmits 4000 frames per second and each slot has 8 bits, the transmission rate of circuit of this TDM is ______. a. 64 Kbps b. 32 Mbps c. 32 Kbps d. 64 MbpS

Last Answer : c. 32 Kbps

Description : An analog signal carries 4 bits in each signal unit. If 1000 signal units are sent per second, then baud rate and bit rate of the signal are ............... and .............. (A) 4000 bauds \ sec & ... (B) 2000 bauds \ sec & 1000 bps (C) 1000 bauds \ sec & 500 bps (D) 1000 bauds \ sec & 4000 bps

Last Answer : (D) 1000 bauds \ sec & 4000 bps Explanation: Bit rate is the number of bits per second. Baud rate is the number of signal units per second. Baud rate is less than or equal to the bit rate. Baud rate = 1000 bauds per second (baud/s) Bit rate = 1000 x 4 = 4000 bps

Description : If link transmits 4000 frames per second and each slot has 8 bits, the transmission rate of circuit of this TDM is ............... (A) 64 Kbps (B) 32 Mbps (C) 32 Kbps (D) 64 Mbps

Last Answer : (C) 32 Kbps

Description : Digital transmission provides a higher level of signal quality than analog transmission because A. repeaters regenerate digital pulses and remove distorstion B. digital signals are easier to sample than ... and cannot easily be distorted D. analog signals are continuous and not easily distorted.

Last Answer : A. repeaters regenerate digital pulses and remove distorstion