{"id":223,"date":"2020-04-05T08:47:45","date_gmt":"2020-04-05T08:47:45","guid":{"rendered":"https:\/\/temp.ashkerala.com\/?p=223"},"modified":"2020-04-05T08:47:45","modified_gmt":"2020-04-05T08:47:45","slug":"computer-science-mcq-0001","status":"publish","type":"post","link":"https:\/\/temp.ashkerala.com\/?p=223","title":{"rendered":"Computer Science MCQ-0001"},"content":{"rendered":"

1.A document preparation software
\u00a0(A) FOXPRO\u00a0 (B) ORACLE (C) LATEX (ANS)<\/strong> (D) MATLAB<\/p>\n

2.A technique in which system resources are shared among multiple users:
\u00a0(A) Multiplexing(ANS)<\/strong> (B) Demultiplexing (C) Modulation\u00a0 (D) Demodulation<\/p>\n

3. Interaction modelling cannot be done using:
\u00a0(A) State Diagrams (ANS)<\/strong> (B) Use – Cases
\u00a0(C) Sequence Diagrams\u00a0 (D) Activity Diagrams<\/p>\n

4.The number of bits that can be transmitted over a network in a certain period of time.
\u00a0(A) Latency\u00a0 (B) Delay\u00a0 (C) Bandwidth\u00a0 (D) Baud (ANS)<\/strong>
Note : baud is right (bits \/ sec => bits\/unit time,
bandwidth = range frequencies in a band<\/em><\/strong><\/p>\n

5. Which of these is not a mark up language?
\u00a0(A) HTML\u00a0 (B) XML\u00a0 (C) SGML (D) XGML (ANS)<\/strong>
Note:XGML. => no such language<\/strong><\/em><\/p>\n

6. A network topology that combines features of linear- bus and star topology :
\u00a0(A) Mesh\u00a0 (B) Ring\u00a0 (C)Tree (ANS) <\/strong>(D) Cube<\/p>\n

7.If language L={O,l}*, then the reversed language L^ R\u00a0 =
\u00a0(A) {O, 1}* (ANS)<\/strong> (B) {}\u00a0 (C) {O}*\u00a0 (D) {1}*
{0,1}*\u00a0 as it can give 01011 and also 11010<\/p>\n

8.In Linux, the subdirectory that contains system configuration files including user
passwords:
\u00a0(A) \/boot\u00a0 (B) \/usr\u00a0 (C) \/etc (ANS)<\/strong> (D) \/proc<\/p>\n

9.SQL command to delete a column from an existing table:
\u00a0(A) Alter-table (ANS)<\/strong> (B) Drop-table\u00a0 (C) Delete-table (D) Delete-column<\/p>\n

10.A technique not associated with data mining:
\u00a0(A) Predictive Modeling\u00a0 (B) Link Analysis
\u00a0(C) Database Segmentation (ANS)<\/strong> (D) Dimensionality Modeling
Note : Database segmentation. IT cannot be dimensioanlity modelling as it is connected with data mining and data warehousing. Dimensional Modeling refers to the technique used to design logical models for database which can support OLAP and Data Warehousing<\/strong><\/em><\/p>\n

11. Memory bank experiencing too much contention from processor:
\u00a0(A) Fan -in\u00a0 (B) Hot-spot\u00a0 (C) Thrash (ANS)<\/strong> (D) Fan-out
thrashing => excessive hitting with no progress<\/strong><\/em><\/p>\n

12.The number of nodes in a complete binary tree of height n :
\u00a0(A) 2^(n-1)_1\u00a0 (B) 2^(n-1)+1\u00a0 (C) 2^(n+1)-1 (ANS)<\/strong> (D) 2^(n+1) +1<\/p>\n

13.The science and art of breaking ciphers.
(A) Cryptography\u00a0 (B) Steganography (C) Cryptanalysis (ANS)<\/strong> (D) Steganalyis<\/p>\n

14. A raster scan display system with 24 bits per pixel and a screen resolution of 1024xl024 requires a frame buffer of size.
\u00a0(A) 1 Mega Bytes\u00a0 (B) 3 Mega Bytes\u00a0 (C) 8 Mega Bytes\u00a0 (D) 24 Mega Bytes (ANS)<\/strong>
Note : 24 megabyes => 1024×1024 => that much number of pixels and each pixel takes 24 bits => 1024x1024x24 = total number of bits => divided by 1024 = kbs again divided by 1024 = mbs => answer is 24. its not 3 .<\/strong><\/em><\/p>\n

15.Not a parallel programming language.
\u00a0(A) C\u0393\u00c7\u00f3\u00a0 (B) SEQUENT C (ANS) <\/strong>(C) nCube C (D) C+ +<\/p>\n

16. Process of mapping a network interface IP address to its hardware address:
\u00a0(A) ARP (ANS)<\/strong> (B) RARP\u00a0 (C) ICMP\u00a0 (D)IGMP
ARP => IP to MAC<\/strong><\/em><\/p>\n

17. For the following sample database table staff :
Staff no\u00a0 Name\u00a0 Designa tion\u00a0 Branch\u00a0 Salary\u00a0\u00a0 \u00a0
SL21\u00a0 John\u00a0\u00a0\u00a0 Assistant\u00a0\u00a0\u00a0\u00a0 B003\u00a0\u00a0\u00a0 30000\u00a0\u00a0 \u00a0
SG37\u00a0 Ann\u00a0\u00a0\u00a0\u00a0 Supervisor\u00a0 B007\u00a0\u00a0 42000\u00a0\u00a0 \u00a0
SL25\u00a0 Julie\u00a0\u00a0\u00a0 Assistant\u00a0\u00a0\u00a0\u00a0\u00a0 B007\u00a0\u00a0 32000\u00a0\u00a0 \u00a0
SL52\u00a0 Susan\u00a0 Manager\u00a0\u00a0\u00a0\u00a0\u00a0 BQ03\u00a0 51000\u00a0\u00a0 \u00a0
SG10\u00a0 David\u00a0 Manager\u00a0\u00a0\u00a0\u00a0 B004\u00a0\u00a0\u00a0 47000\u00a0 \u00a0
<\/em>the SQL query : SELECT COUNT (Staff no) AS mycount, SUM (Salary) AS mysum
FROM Staff\u00a0 WHERE Designation = ‘Manager’\u00a0\u00a0\u00a0\u00a0\u00a0 returns the result<\/p>\n

(A) mycount = 2, mysal = 47000
(B) mycouht = 2, mysal = 98000\u00a0 (correction :\u00a0 its not mysal its mysum)(ANS)<\/strong>
(C) mycount = 5, mysal = 47000
(D) mycount = 5, mysal = 98000<\/p>\n

18.Linux partitions are created using the file system:
\u00a0(A) FAT\u00a0 (B) FAT32\u00a0 (C) EXT3 (ANS)<\/strong> (D) NTFS<\/p>\n

19. The local area network technology used in Ethernet
\u00a0(A) CSMA\u00a0 (B) CSMA\/CD (ANS)<\/strong> (C) CSMA\/CA\u00a0 (D) ALOHA
\u00a0
20. Data abstraction means :
(A) Objects of one class acquire properties of object of another class
(B) Insulation of data from direct access by programs
(C) Code associated with a procedure call is not known until run time
(D)Putting together essential features without including background details (ANS)<\/strong><\/p>\n

21.A hardware interface that allows for the connection of several peripheral devices to a single
PCI board.
(A) SCSI
(B)SATA
(C) ATA
(D) PCI (ANS)<\/strong>
PCI => Peripheral computer interface= onboard ports to connect multiple devices<\/strong><\/em><\/p>\n

22.If n represents the dimension of cube and k, the radix (no. of nodes along each dimensions)
then the number of nodes N of a k-ary n-cube network is :
(A) N=n^k\u00a0 (B) N=logkn\u00a0 (C) N=lognk (ANS)<\/strong> (D) N=k^n<\/p>\n

23. The output generated by the following C program:
# include < stdio.h>
main 0
int v=3;
int * pv;
pv = & v;
* pv = 0;
printf (” * pv = %d v= %d “, * pv, v);
}<\/em>
(A) *pv = 0 v= 0 (ANS)<\/strong>
(C) *pv = 3 v= 3
(B) *pv = 0 v= 3
(D) *pv = 3 v= a<\/p>\n

24.A famous technique used in data warehousing:
(A) OODM (B) OLTP (C) OLAP(ANS)<\/strong> (D) ODBC<\/p>\n

25. The environment variable in Linux, that contain a list of directories the shell automatically recognizes.
(A) $ PATH (ANS)<\/strong>
(B) $ ENV
(C) $ USER
(D) $ GREP<\/p>\n

26. Not an Anti-virus software:
(A) McAfee\u00a0 (B) Norton (C) AVG\u00a0 (D) TROJAN (ANS)<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

1.A document preparation software \u00a0(A) FOXPRO\u00a0 (B) ORACLE (C) LATEX (ANS) (D) MATLAB 2.A technique in which system resources are shared among multiple users: \u00a0(A) Multiplexing(ANS) (B) Demultiplexing (C) Modulation\u00a0 (D) Demodulation 3. Interaction modelling cannot be done using: \u00a0(A) State Diagrams (ANS) (B) Use – Cases \u00a0(C) Sequence Diagrams\u00a0 (D) Activity Diagrams 4.The number…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[22],"tags":[],"class_list":["post-223","post","type-post","status-publish","format-standard","hentry","category-computer-science-combined"],"_links":{"self":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/posts\/223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=223"}],"version-history":[{"count":0,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/posts\/223\/revisions"}],"wp:attachment":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}