Computer Operator Paper 2015 (HPSSSB) Part-2

101. What is the command to create a new directory in MS-DOS?
(A) CD
(B) MC
(C) MCD
(D) MD

102. What is the command to erase a file from the disk?
(A) Erase
(B) Del
(C) delete
(D) rd

103. Which of the following is not an internal MS-DOS command?
(A) type
(B) edit
(C) dir
(D) copy

104. Which is not displayed by “CHKDSK” command?
(A) Storage capacity of the disk
(B) Number of hidden files
(C) Free space in the disk
(D) Number of executable files

105. Which external command file is required to use “format” command?
(A) format.exe
(B) format.com
(C) format.sys
(D) format.hlp

106. What is the full form of DOS?
(A) Digital Office Systems
(B) Disk Operating System
(C) Data Organization Software
(D) None of the above

107. Which command do you use to display the contents of a file?
(A) dir
(B) type
(C) edit
(D) copy

108. Which command do you use to  list all the files and folders whose name contains EST from second character?
(A) dir*est
(B) dir?est
(C) dir?est*
(D) direst

109. In MS-Word function of ‘Ctrl+X’ is
(A) Delete selected text
(B) Copy selected text
(C) Undelete deleted file
(D) Save file

110. Which of the following command is used to display the list of files and directories starting with ‘C’?
(A) dir ?c
(B) dir c*
(C) dir c?
(D) dir c

111.  Which of the following command is used to copy al the files stored in floppy disk into the DATA directory of hard disk(c drive)?
(A) copy A:\*.* C:
(B) copy A:\*.* c:\data
(C) copy A:C:
(D) copy A:\data C:

112.What is the function of “Ctrl+C” in DOS?
(A) Breaks execution of command
(B) Copies the selected text
(C) Saves a file
(D) Undelete the deleted file

113. What happens when you type “CD\” and press “Enter” key?
(A) Returns to the parent directory
(B) Enters into a subdirectory
(C) Returns to the root directory
(D) Displays current directory

114. What type of OS is MS-DOS?
(A) Single User, GUI
(B) Multi User, GUI
(C) Single User, CUI
(D) Multi User, CUI

115. In which of the two network layers, the sliding window protocol is uded for flow control?
(A) Physical and Network
(B) Network and Transport
(C) Physical and Data-Link
(D) Data-Link and Transport

116. Which of the following protocols provides the highest throughout?
(A) ALOHA
(B) Slotted ALOHA
(C) CSMA
(D) CSMA/CD

117. Which of the following IEEE standards regulates the Bluetooth communication?
(A) 802.11
(B) 802.15.1
(C) 802.3
(D) 802.14.1

118. The unlicensed bands of radio spectrum are generally referred to as…………band.
(A) ISM
(B) CSMA
(C) SIFS
(D) Wi-Fi

119. Which of the following is an connectionless unreliable transport-layer protocol in TCP/IP?
(A) TCP
(B) IP
(C) UDP
(D) ICMP

120. Which of the following is the well-known port for telnet?
(A) 23
(B) 24
(C) 26
(D) 74

121. Which of the following protocols is used to shape bursty traffic into fixed-rate traffic?
(A) Go-Back-N ARQ
(B) Sliding Window
(C) Manchester
(D) Leaky Bucket

122. Which of the following table keys allow duplicate values in a relation?
(A) Primary
(B) Foreign
(C) Candidate
(D) Alternate

123. What is animation?
(A) A special visual or effect to text or an object
(B) A cartoon
(C) Moving from one slide to another
(D) None of the above

124. What does “apply design template” do?
(A) Changes the content of the slide
(B) Adds functionality to the slide
(C) Changes the look of the slide without changing the content
(D) None of the above

125.What is timing used for
(A) Tracking changes
(B) Keep track of the time you spent on designing the slide
(C) To adjust the time a slide will be displayed before another takes its place
(D) All of the above

126. How can you stop a slide show?
(A) Pres the right arrow
(B) Press Escape
(C) Press the left arrow
(D) Press the down arrow

127. How can you move a slide in slide sorter view?
(A) You can’t
(B) Rename
(C) Click and drag
(D) None of the above

128. What do you do to start the slide show?
(A) Click on Go
(B) Turn on transition
(C) Click on the slide show icon
(D) All of the above

129. Which key on the keyboard can be used to view Slide Show?
(A) F1
(B) F2
(C) F5
(D) F10

130. Which view in Power Point can be used to enter Speaker Comments?
(A) Normal
(B) Slide Show
(C) Slide Sorter
(D) Notes Page view

131. The boxes that are displayed to indicate that the text, pictures or objects are placed in it is called………..
(A) Place-holder
(B) Auto Text
(C) Text box
(D) Word Art

132. Which of the following is an example for Automatic Text formatting?
(A) Underlining Hyperlink
(B) Adjusting extra space
(C) Replacing two-s with a hyphen
(D) All of the above

133. The spelling dialog box can be involved by choosing spelling from………..menu.
(A) insert
(B) file
(C) tools
(D) view

134. Which key do you press to check spelling?
(A) F3
(B) F5
(C) F7
(D) F9

135.Which pane would be used to enter a speakers’s information about what can be said about each slide?
(A) Outline pane
(B) Speaker’s pane
(C) Notes pane
(D) Slide pane

136. Power Point presentation is a collection of ………………….
(A) Slides and Handouts
(B) Speaker’s notes
(C) Outlines
(D) All of the above

137. The arrangement of elements such ad Title and subtitle text, pictures, tables etc. is called……..
(A) Layout
(B) Presentation
(C) Design
(D) Scheme

138. A File which contains readymade styles that can be used for a presentation is called……..
(A) Auto Style
(B) Template
(C) Wizard
(D) Pre-formatting

139. The maximum Zoom percentage in Mircosoft Power Point is………
(A) 100%
(B) 200%
(C) 400%
(D) 500%

140. After choosing a predefined template, which option has to be chosen to change the background colour?
(A) Design Template
(B) Colour Scheme
(C) Animation Scheme
(D) Colour Effects

141. To insert new slide in the current Presentation, we can choose
(A) Ctrl+M
(B) Crtl+N
(C) Ctrl+O
(D) Ctrl+F

142. To open the existing presentation, press
(A) Crtl+M
(B) Ctrl+N
(C) Ctrl+A
(D) Ctrl+O

143. Slides can have
(A) title, text, graphs
(B) drawn, objects, shapes
(C) clipart, drawn art, visual
(D) Any of the above

144. Which of the following bit patterns represents (-26)10 in 2’s complement notation?
(A) 10011010
(B) 00011010
(C) 11100110
(D) 11100101

145. In which of the following encoding methods for integers, only one bit in the code group changes for any two consecutive numbers?
(A) Excess-3
(B) Gray
(C) BCD
(D) ASCII

146.Which of the following Boolean algebra expressions reprsents the De’Morgan theorem?
(A) (a+b)’ = a’+b’
(B) (a+b)’ = a’.b’
(C) (a+b)’ = (a.b)’
(D) (a=b)’= a+b

147. What logic function is realized by the following logic diagram?
 (A)             o = (x+y) (y+z)
(B)              o = (x’ y) + (y’z)
(C)              o = ((x.y) + (y.z))’
(D)             o = ((x+y).(y+z))’

148. Which of the following logic gates is considered as universal gate?
(A) XOR
(B) NOR
(C) AND
(D) NOT

149. Which of the following CPU  components is responsible to generate timing and control signals for executing and instruction?
(A) Arithmetic Unit
(B) Logic Unit
(C) Control Unit
(D) Instruction Unit

150. Which of the following is a standard for representing floating-point numbers in computer’s memory?
(A) 2’s complement
(B) IEEE-754
(C) Unicode
(D) Gray code

151. What will be the seepup factor of a pipeline organization with k segments for executing n jobs if n>>k?
(A) ~k
(B) ~n
(C) ~nk
(D) ~n/k

152. Consider the following statements about RISC architecture:
S1: Relatively fewer instructions
S2: Single cycle instruction execution
S3: A large variety of instruction modes
(A)             S1 and S2 are correct
(B)              S1 and S3 are correct
(C)              S2 and S3 are correct
(D)             All statements are correct

153.  What is a strobe that is used in asynchronous transfer of data between any two independent devices?
     (A) An intermediate agent
     (B) A temporary memory
     (C) A pulse signal
     (D) A communication path

   154. Which of the following memories used in a    computer system, is content addressable?
   (A) Random Access Memory(RAM)
   (B) Cache Memory
   (C) Associative Memory
   (D) Auxiliary Memory

   155. With which of the following storage media would you associate the terms “land” and “pit”?
   (A) Hard Disk
   (B) CD-ROM
   (C) Magnetic Tape
   (D) Solid-state Disk

156. Which of the following is not a printer specification?
(A) DPI
(B) PPM
(C) Tray capacity
(D) RPM

157. What control structure is represented by the following flow chart section?
      (A)             Simple if statement
(B)              For loop
(C)              Switch…..case statement
(D)             Do……while loop

 158. If x is a1-D array of type int having 10 elements and y is a pointer to an it, then which of the following assignment statement is correct in ‘C’?
(A) x=y;
(B) y=x;
(C) y=x[0];
(D) x=y[0];

159. If x= 10 and y=12, then the what will be the value returned by the following ‘C’ expression:
2+x/3-3+y/5
(A)             0
(B)              1
(C)              4
(D)             3

160. Which of the following is not a valid data type in ‘C’?
(A) unsigned int
(B) unsigned char
(C) unsigned long int
(D) unsigned float

161. What will be the output produced by the following statement in ‘C’?
int a= 20;
printf(“Hello%n, &a);
printf(“%d”,a):
(A)             Hello 5
(B)              Hello 20
(C)              Hello 10
(D)             Hello 0

162. Which of the following features is supported by C++ but not by Java?
(A) Unsigned integers
(B) Inheritance
(C) Runtime polymorphism
(D) Static class members

163. Which of the following features is supported by Java  but not by C++?
(A) Operator overloading
(B) Virtual machine
(C) Object-orientation
(D) Abstract classes

164. What will be the prototype of the copy  constructor of a class with name X in C++?
(A) void X(const X&)
(B) X(const X&)
(C) void X(const X*)
(D) X(const X*)

165. Which of the following is not a valid operator in Java?
(A) >>
(B) >>>
(C) <<
(D) <<<

166. If the name of a class is X, then which of the following class methods in Java is equivalent to a destructor function in C++?
(A) ~X( )
(B) X( )
(C) gc (C)
(D) finalize ( )

167. Which of the following data structures allow only sequential access to its elements in one direction?
(A) Array
(B) Linked-list
(C) Doubly –linked list
(D) Hash table

168. What is the length of a complete binary tree with n nodes?
(A) [log2(n/2)]
(B) [log2(n+1)-1]
(C) [log2(n/2)+1]
(D) [log2(n-1)+1]

169.  What will be the in-order traversal trace of the following binary tree?
 (A) B A D E C F
(B) A B D C E F
(C) A B C D E F
(D) B D A E C F

171. What is the time complexity of bubble sort algorithm?
(A) O( n log n)
(B) O (n2)
(C) O(log n)
(D) O (n)

172. Which of the following sorting techniques used divide-and-conquer strategy of problem solving?
(A) Insertion sort
(B) Merge sort
(C) Heap sort
(D) Bubble sort
3
6
9
12
15
18
21
24
27


173. How many comparisons will it take to successfully search the element 9 in the following array using binary search?
(A)             1
(B)              2
(C)              3
(D)             4


174. Who amongst the following is known as the father of the Intel Pentium chip?
(A) Sabeer Bhatia
(B) Vinod khosla
(C) Vinod Dham
(D) Satya Nadella

175.Who amongst the following gave the concept of stored program execution?
(A) Donald knuth
(B) Herman Hollerith
(C) Allan Turing
(D) John von Neumannn

176. Which of the following terms is used to describe the service models like Saas, PaaS and IaaS?
(A) Cloud Computing
(B) Distributed Computing
(C) Parallel Computing
(D) Peer-to-Peer Computing

177. A_______ is a website that consists of discrete posts in reverse-chronological order generally used for sharing information or as a discussion platform.
(A) Really Simple Syndication
(B) Phishing site
(C) Portal
(D) Blog

178. Which of the following companies used iOS as an operating platform for its range of mobile phones and tablets?
(A) Google
(B) Apple
(C) BlackBerry
(D) Nokia

179. A_____is a computer program that appears to be useful to a user, but it contains malicious code. It generally does not replicate?
(A) Virus
(B) Worm
(C) Trojan Horse
(D) Key-logger

180. Which of the following CPU scheduling algorithms gives the best response time?
(A) First-Come First-Serve
(B) Sortest-Job-First
(C) Round-Robin
(D) Priority Scheduling

181. Which of the following  CPU scheduling algorithms may cause starvation to occur?
(A) First-come First-Serve
(B) Priority scheduling
(C) Round-Robin
(D) None of the above

182. Which of the following is a solution to the critical section problem?
(A) Banker’s algorithm
(B) Aging
(C) De-fragmentation
(D) Semaphore

183. Which of the following is not a necessary condition leading to a deadlock situation?
(A) Mutual exclusion
(B) Critical section
(C) No preemption
(D) Circular wait

184. What will be the maximum addressable memory limit of a system with 4-byte page table entries and 2KB frame size?
(A) 8 TB
(B) 4 TB
(C) 1 TB
(D) 512 GB

185. In which of the OS functions, the phenomenon of thrashing occurs?
(A) CPU scheduling
(B) Memory management
(C) Virtual memory management
(D) I/O management

186. What is the Linux command to change permissions associated with a file?
(A) chgrp
(B) chmod
(C) chown
(D) 1s

187. Which of the following Linux directories contain the system configuration files?
(A) /proc
(B) /etc
(C) /var
(D)/opt

188. How would you print the name of the current working directory in Linux terminal?
(A) 1s
(B) wd
(C) cd
(D) pwd

189. What does GPL mean in free software world?
(A) GNU Public License
(B) GNU Programming License
(C) GNU Protective License
(D) GNU Private License

190. Which of the following display types used the pixel as the basic unit of drawing an image?
(A) Random-Scam Displays
(B) Vector-Scam Displays
(C) Raster-Scam Displays
(D) Calligraphic Displays

191. How will you set a default accept button on a Windows form in VB.Net?
(A) By setting the Accept Button property of the button.
(B) By setting the Accept Button property of the form.
(C) By setting the Default Button property of the button
(D) By setting the Default Button property  of the form.

192.What is the name of the constructor in a VB.Net class?
(A) New
(B) Init
(C) Same as that of class
(D) Constructor

193. How many different bit patterns can be generated by using 5 bits?
(A) 5
(B) 10
(C) 16
(D) 32

194. The book “Himalayan District of Kullu and Lahaul-Spiti” is written by
(A) Vikram Kayasth
(B) Manmohan Singh
(C) A.P.F. Harcourt
(D)  Norah Richard

195. The Government Ayurvedic college in Himachal is located at:
(A) Jogindernagar
(B) Paprola
(C) Solan
(D) Manali

196. Kamrunag Lake is located in which of the following district?
(A) Mandi
(B) Chamba
(C) Kullu
(D) Kinnaur

197. In which year “Victoria Bridge” was constructed by Bijai Sen of Mandi on river Beas?
(A) 1872
(B) 1869
(C) 1867
(D) 1877

198. Which of the following national highway passes through Solan city?
(A) NH-7
(B) NH-22
(C) NH-11
(D) NH-12

199. The state bird of Himachal Pradesh is
(A) Pigeon
(B) Swan
(C) Nightingale
(D) Jajurana

200. Billing in Kangra district has become known for
(A) River rafting
(B) Mountaineering
(C) Hang-gliding
(D) Tea gardens 

Read : Part-1

Read more: Historical Town in HP with their Old names
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Author: Karun Bharmoria

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