Friday, 25 January 2013

COMPUTER KNOWLEDGE

161. What is the shortcut key to select all in MS-Excel?
(a) Ctrl + S
(b) Ctrl + A
(c) Alt + A
(d) Alt + S


162. ________ is not a storage medium.
(a) CD
(b) DVD
(c) Hard disk
(d) Monitor


163. Which part of the Computer performs arithmetical calculations?
(a) Monitor
(b) Memory
(c) ALU
(d) CPU


164. OCR stands for:
(a) Optical Character Recognition
(b) Original Coding Recognizer
(c) Original Character Reader
(d) Optional Coding Recognizer


165. What is the first step in the transaction cycle?
(a) Data transfer
(b) Data entry
(c) Audit
(d) None of these



education.com printable workbooks

166. What is Output?
(a) Processor takes from the user
(b) The user gives to the processor
(c) The processor gets from the user
(d) The processor gives to the user


167. Help menu is available at button
(a) Start
(b) Turf off
(c) End
(d) Restart


168. Short cut Key to open a new database is
(a) Ctrl+ N
(b) Ctrl + S
(c) Ctrl + Z
(d) Ctrl + V


169. Short cut Key to open an existing database is
(a) Ctrl+ N
(b) Ctrl + O
(c) Ctrl + Z
(d) Ctrl + V


170. Short Cut Key to quit Microsoft Access
(a) Alt + F5
(b) Alt + F4
(c) Alt + F2
(d) Alt + F1


171. A pixel is a
(a) Picture element or dot on a screen.
(b) Point of ink on a laser printed page.
(c) Point of ink on an ink jet-printed page.
(d) None of these


172. Which is the correct format to save the web pages?
(a) html://
(b) http://
(c) HTML
(d) URL


173. ‘WWW stands for:
(a) World Wide Web
(b) World Work Web
(c) Work Wide Web
(d) Work White Web


 Cancer Defeated Publications                       

174. How we can measure the display size of a monitor
(a) Diagonally
(b) Vertically
(c) Horizontally
(d) None of these


175. LCD stands for:
(a) Liquid Crystal Display
(b) Legal Crystal Display
(c) Liquid Computer Display
(d) Local Crystal Display


176. Which algorithm is used for data integrity?
(a) SED
(b) AES
(c) MD5
(d) None of these


177. Which is not a form of Biometrics?
(a) Fingerprint
(b) Retina scan
(c) Password
(d) None of these


178. _____ is called the permanent memory in computer.
(a) DVD
(b) RAM
(c) ROM
(d) CPU


179. What type of device is a 31/2 inch floppy drive?
(a) Input
(b) Output
(c) Software
(d) Storage
(e) None of these


180. Each cell in a Microsoft Office Excel documents is referred to by its cell address, which is
the:
(a) Cell’s column label and worksheet tab name
(b) Cell’s column label
(c) Cell’s row label
(d) Cell’s row and column labels
(e) Cell’s contents


181. The access method used for magnetic tape is .
(a) Sequential
(b) Direct
(c) None of the above
(d) Random
(e) All

Rogers Publishing e-store
182. The difference between memory and storage is that the memory is and storage is
(a) Permanent, temporary
(b) Slow, fast
(c) Temporary, permanent
(d) None of the above
(e) All


183. Which of the following devices can be used to directly input printed text
(a) OMR
(b) OCR
(c) MICR
(d) None of the above
(e) All


184. A floppy disk contains
(a) Sector Only
(b) Both circular tracks and sectors
(c) Circular tracks only
(d) None of the above
(e) All


185. CD-ROM is a
(a) Memory register
(b) Semiconductor memory
(c) Magnetic memory
(d) None of the above
(e) All


186. Which of the following is used as a primary storage device
(a) PROM
(b) Magnetic tape
(c) Floppy disk
(d) None of the above
(e) All


187. Operating system is
(a) A collection of input-output devices
(b) A collection of software routines
(c) A collection of hardware components
(d) None of the above
(e) All


188. Operating system
(a) Provides a layered, user-friendly interface
(b) Link a program with subroutines it references
(c) Enables a programmer to draw a flowchart
(d) None of the above
(e) All


189. Modem stands for
(a) Modulator demodulator
(b) Mainframe operating device memory
(c) A type of secondary memory
(d) None of the above
(e) All

                                                                   
                                                               
190. Wide area networks (WANs) always require
(a) High speed processors
(b) Same type
(c) High bandwidth communication source link
(d) None of the above
(e) All


191. Bug means
(a) A difficult syntax error in a program
(b) A logical error in a program
(c) Documenting programs using an efficient documentation too
(d) None of the above
(e) All


192. C is-
(a) A low level language
(b) A third generation high level language
(c) A machine language
(d) None of the above
(e) An assembly language


193. The communication line between the CPU, memory and peripherals is called a
(a) Bus
(b) Media
(c) Wire
(d) Line
(e) None of these


194. One thousand bytes represent a
(a) Terabyte
(b) Kilobyte
(c) Gigabyte
(d) Megabyte
(e) None of the above


195. A step by step procedure used to solve a problem is called
(a) Software
(b) Algorithm
(c) Operating system
(d) Application system
(e) None of the above


196. The errors that cannot be pointed out by the compiler are
(a) Syntax errors
(b) Bug
(c) Semantic errors
(d) Logical errors


197. WAN hardware includes
(a) EDF
(b) FTP
(c) Multiplexors and routers
(d) None of the above
(e) Bridger and modems


198. The central Processing Unit:
(a) Is operated from the control panel.
(b) Controls the auxiliary storage unit
(c) Is controlled by the input data entering the system
(d) None of these
(e) Controls all input, output and processing


199. Which of the following is not hardware:
(a) Magnetic tape
(b) VDU terminal
(c) Assembler
(d) None of these
(e) Printer


200. Pick out the wrong definition:
(a) Control unit-heart of a computer.
(b) COBOL-a language used for business data processing
(c) Access time-time needed to access the output
(d) None of these
(e) EDP-acronym for Electronic Data Processing

No comments:

Post a Comment