Subject Science & Technology
176. Which language is directly understood by the computer without any translation program?
(a) Machine language
(b) Assembly language
(c) High level language
(d) Mid Level language
(e) None of these
Ans. a
177. In most IBM PCs, the CPU, the drives, memory expansion slots and active components are mounted on a single board. What is the name of this board?
(a) Breadboard
(b) Motherboard
(c) Grandmother board.
(d) Daughter board
(e) None of these
Ans. b
178. Which of the following is used only for date entry and storage, and never for processing?
(a) Mouse
(b) Dumb terminal
(c) Dedicated date entry system
(d) Micro computer
(e) None of these
Ans. b
179. Which instrument is used to measure blood pressure?
(a) Ammeter
(b) Barometer
(c) Sphygmomanometer
(d) Lactometer
(e) Perimeter
Ans. c
180. Joule is a unit of:
(a) Heat
(b) Temperatue
(c) Energy
(d) Water
(e) Gas
Ans. ac
181. Ecology deals with:
(a) Birds
(b) Cell formation
(c) Tissues
(d) Relations between organisms and their environment
(e) insects
Ans. d
182. Which of the following is used in pencils?
(a) Graphite
(b) Sillicon
(c) Charcoal
(d) Phosphorous
(e) Silica
Ans. a
183. Light year is related to:
(a) Energy
(b) Speed
(c) Distance
(d) Intensity
(e) Time
Ans. c
184. Which of the following is the disease caused by the bite of a mad dog?
(a) Leprosy
(b) Diphtheria
(c) Dinophobia
(d) Rabia
(e) Anthrax
Ans. d
185. Which one is the unit of sound?
(a) Decibel
(b) Ampere
(c) Volt
(d) Chronometer
(e) Hydrometer
Ans. a
186. Mushrooms belong to which of the following groups?
(a) Animal
(b) protest
(c) Fungi
(d) plant
(e) Food
Ans. c
187. What sort of ‘wave’ is used in mobile phone networks?
(a) infrared
(b) ultraviolet
(c) gamma
(d) micro
(e) nuclear
Ans. d
188. Orthopedics is related to:
(a) Tumor
(b) Eye
(c) Bones
(d) Nerve
(e) Liver
Ans. c
189. The extension of a file ‘pdf’ stands for:
(a) Portable Document File
(b) Public Document File
(c) Public Distribution File
(d) Public Distribution Folder
(e) Portable Distribution File
Ans. a
190. Find the largest unit.
(a) Byte
(b) Kilobyte
(c) Terabyte
(d) Gigabyte
(e) Megabyte
Ans. c
191. BISO stands for:
(a) Base Interface Output System
(b) Basic Input Output System
(c) Best Input System
(d) Base Interface Official System
(e) Basic Interface and Output and System
Ans. b
192. What are the basic functions of a computer system?
(a) Input, processing, output and storage
(b) Keyboard, display, memory and disk drive
(c) Bits, bytes, words and OSI
(d) Word processing, spreadsheet and database
(e) OS, processing, monitor and display
Ans. a
193. What is a ‘cookie’?
(a) Hacker file
(b) Personal file
(c) Internet information file
(d) Virus
Ans. d
194. What kind of computer memory is the first to activate when you turn on the computer?
(a) ROM
(b) RAM
(c) BIOS
(d) OS
(e) Storage
Ans. c
195. Which type of network provides access to regional service providers and typically span distance greater than 1000 miles?
(a) LAN
(b) MAN
(c) WAN
(d) WLAN
(e) DAP
Ans. c
196. Unauthenticated and unwanted mails are stored in ___.
(a) inbox
(b) sent box
(c) Spam
(d) Draft box
(e) Follow up box
Ans. c
197. The symbol of ‘$’ is used in Microsoft Excel for ___.
(a) Fixing the cell
(b) copying the cell
(c) aligning the cell
(d) dragging the cell
(e) enlarging the cell
Ans. a
198. For a computer ‘LCD’ stands for:
(a) Liquid Crisis Disparity
(b) Liquid Cross Data
(c) Large Crystal Display
(d) Liquid Crystal Display
(e) Large Capable Display
Ans. d
199. কোন মাধ্যমে শব্দের গতি সবচেয়ে বেশি?
(a) কঠিন পদার্থে
(b) তরল পদার্থে
(c) ব্যয়বীয় পদার্থে
(d) শূন্য পদার্থে
Ans. a
200. ডেঙ্গু জ্বরের বাহক কোন মশা?
(a) কিউলেক্স
(b) এডিস
(c) অ্যানোফিলিস
(d) সবধরনের
Ans. b