Description : What is done firstly, to create a compressed and archive file into uncompressed ? a) Left clicking a file -> Open with archive manager b) Right clicking a file -> open with archive manager c) Left clicking a file -> open with Winzip d) Right clicking a file -> open with winzip
Last Answer : b) Right clicking a file -> open with archive manager
Description : Which of the following is a benefit of lossy compression over lossless? A. File sizes will always be reduced, even when compressed multiple times. B. File quality is not harmed, e.g. ... can be decompressed back to their original uncompressed form. D. File sizes are usually significantly smaller.
Last Answer : C. Files can be decompressed back to their original uncompressed form.
Description : Using gzip program an uncompressed file in the tar format is compressed in the zip format, by providing which extension ? a) tar b) tar.gz c) tar.gz d) zip
Last Answer : c) tar.gz
Description : From the following for which process ‘Archive Manager tool ‘ is used ? a) For transferring the data of file and directory b) For place compression on the file and directory c) For altering the form of file and directory d) For data compression on file and directory
Last Answer : d) For data compression on file and directory
Description : What is the reason that in the beginning of encoded file there is data telling which digit/letter represents which word ? a) It is needed to convert the file in compression form b) it is ... convert the file in its original uncompressed form d) it is needed to convert the file in graphical form
Last Answer : c) it is needed to convert the file in its original uncompressed form
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 : In the encoded file, by using which process it can be transformed into original file at any time ? a) Straight b) Reverse c) Transfer d) Compressed
Last Answer : b) Reverse
Description : Hamzah needs to email a large file to a classmate. Why might he need to use file compression to do so? A. Email services often only let you send compressed data files. B. Compressed files are ... . D. Email services often have maximum file sizes that prevent you sending files that are too large.
Last Answer : D. Email services often have maximum file sizes that prevent you sending files that are too large.
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 : 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 : 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 : 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 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 : The Assistant is -. 1) an application that allows you to take notes and save them in a file 2) an animated character that provides help and suggestions 3) a button on the standard Toolbar that executes the Print command 4) a collection of frequently misspelled words in a dictionary file
Last Answer : 2) an animated character that provides help and suggestions
Description : Pitch of coil is defined as axial distance in compressed state of the coil. a) Yes b) It is measured in uncompressed state c) It is same in uncompressed or compressed state d) None of the listed
Last Answer : b) It is measured in uncompressed state
Description : In which condition the axial distance between two adjacent coils is called as pitch? a. Compressed condition b. Uncompressed condition c. Both a. and b. d. None of the above
Last Answer : b. Uncompressed condition
Description : A particular way of coding information for storage in a computer file A. Raster graphic B. Vector graphic C. File format D. Layer
Last Answer : A. Raster graphic
Description : Data compression which guarantees that all original data can be restored exactly A. Lossless compression B. Lossy compression C. File compression D. Raster compression
Last Answer : B. Lossy compression
Description : Which of these is NOT a way to decrease image blurriness? A. Use compatible file formats B. Increase the size of thumbails C. Save images using loseless compression D. Check if raster or vector graphics work better
Last Answer : A. Use compatible file formats
Description : To save file space lossy compression... A. Temporarily removes data B. Permanently removes data
Last Answer : A. Temporarily removes data
Description : Ms. Matthews is printing posters of her students' artwork. Since the images will be printed, they will need: A. a higher resolution for better print quality. B. a lower resolution for smaller ... a higher resolution to display on a monitor. D. a lower resolution in order to download faster.
Last Answer : A. a higher resolution for better print quality.
Description : A song is digitally recorded by an artist and saved to a file. Then, the artist runs a program that takes the file as input and produces a new file. The new file does not include any sound ... a smaller file size. D. This is a lossless transformation of data that results in a larger file size.
Last Answer : A. This is a lossy transformation of data that results in a smaller file size.
Description : Which best describes Lossless Compression? A. No information is lost but file size is increased B. There is no loss in information at all after compression C. Files which have the exact same data after compression D. Compression that involves an algorithm
Last Answer : B. There is no loss in information at all after compression
Description : Lossy or lossless? This type of compression makes the file smaller A. Lossy B. Lossless
Last Answer : A. Lossy
Description : The purpose of data compression is to decrease file sizes . A. True B. False
Last Answer : A. True
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 : Down sampling is to make a digital image file smaller by A. removing pixels B. adding noise C. adding pixels D. removing noise
Last Answer : A. removing pixels
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 : The list of playing media file is known as ________. a) medialist b) playlist c) masterlist d) filelist
Last Answer : b) playlist
Description : Which file in java uses zip compression? a) JAR b) JER c) ZAR
Last Answer : a) JAR
Description : From the following, which file format stores multiple files in a single Zip file ? a) zap b) zip c) zop d) zep
Last Answer : b) zip
Description : In the encoded file, which symbol is marked in the ending ? a) ^ b) & c) $ d) %
Last Answer : c) $
Description : In the encoded file, which symbol is marked in the beginning ? a) ^ b) & c) $ d) %
Last Answer : a) ^
Description : In the encoded file, how many time lengthy words appear ? a) Not a single time b) One c) Infinite d) As specified
Last Answer : b) One
Description : Where in the encoded file, one can have the data that tells which digit/letter represents which word ? a) Beginning b) Middle c) Ending d) None of these
Last Answer : a) Beginning
Description : Which file format stores multiple files in a single Zip file ? a. zap b. zip c. zop d. zep
Last Answer : b. zip
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 : Is there a way to make files in a compressed archive writeable after extraction?
Last Answer : answer:Unless I’m misunderstanding, you could use chmod() in PHP to modify the file permissions after extracting them. http://uk.php.net/chmod
Description : The jdb is used to A) Create a jar archive B) Debug a java program C) Create C header file D) Generate java documentation
Last Answer : B) Debug a java program
Description : Which of these is a quick way to copy formatting from a selected cell to two other cells on the same worksheet? 1) Use CTRL to select all three cells, then click the Paste Button image button ... ) Use Alt to select all three cells, then click the Paste Button image button on the Standard toolbar
Last Answer : 3) Click Format Painter Button image on the Formatting toolbar twice, then click in each cell you want to
Description : What is the last item a project manager must do to finalize project close-out? 1. Reassign the team 2. Contract completion 3. Archive the project records 4. Complete lessons learned 5. None of the above.
Last Answer : 2. Contract completion
Description : Is it possible to extract a few pages from a large PDF file in order to create a new file?
Last Answer : jordym84 That’s because you’re probably using the free Adobe reader, and not Acrobat Pro. Reader won’t do it.
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 : How does lossy compression reduce the size of files? A. Through removing redundancies by grouping repeated data together. B. By removing some precision in data that humans would have difficulty to ... the amount of storage needed. D. By replacing blocks of data with more compact representations.
Last Answer : D. By replacing blocks of data with more compact representations.
Description : Convert 1001 into decimal? A. 8 B. 11 C. 12 D. 9
Last Answer : D. 9
Description : To convert multimedia information coming from hardware devices into computer data can be compared with which process ? a) Coding b) Decoding c) (a) and (b) both d) None of these
Last Answer : a) Coding
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 : In facsimile transmission, a page is scanned and converted into a sequence of a. Binary sequence b. Ternary sequence c. black or white pixels d. alphanumeric sequence
Last Answer : c. black or white pixels
Description : Represents one dot that is illuminated on a computer screen, many of which make up images A. Graphics B. Lossless C. Lossy D. Pixels
Last Answer : D. Pixels
Description : A bitmap image is made up of A. Pixels B. Colours C. Sounds D. Samples
Last Answer : A. Pixels