কম্পিউটার ও তথ্যপ্রযুক্তি (Computer and Information Technology)
bit express in small letter (b) and Byte express in Capital letter (B)
161. 1 Byte = 8 bit ( b)
162. 1 kilobyte = 1024 bytes (B) = 210 bytes information;
163. 1 Megabyte = 1024 x 1024 bytes = 220 bytes =
106 bytes information;
164. 1GB = = 1024 x 1024 x 1024 bytes information = 230 bytes information;
165. One millisecond is equal to a 1000th
of a second;
166. The largest unit of storage- Terabyte;
167. Modem is a device for exchanging data;
168. Data transfer rate of a dial up MODEM is measured in kbps (Kilo Byte per Second);
169. Modem connection is used to assess the internet in a very remote location;
170. Antivirus software is anutility software;
171. In MS Word application package, you can produce some letter for different persons by
using- mail merge;
172. If you format a disk then- everything will be lost.
173. In the numerical key pad of a standard key board available- 17 keys;
174. In a standard keyboard functional keys available- 12 keys;
175. Charles Babbage invented his first calculating machine in 1812;
176. Analytical engine of Charles Babbage was the simplification of modern computer;
177. The specialty of EDVAC- storage program;
178. “Microsoft Outlook” is a software designed to function as- An Internet Explorer;
179. Transistor invented in 1948;
180. Integrated Circuit (IC) invented in 1958;
181. The most distinctive difference between a LAN and a WAN is- Distance covered;
182. Programming errors detected by the language translator are called- Syntax errors;
183. MS Access- A database package;
184. MS Word, Word Star, WP- Word Processing Packages;
185. In windows operating system “ctrl + alt + del” command indicate- Shutdown the
computer;
186. Screen size does not affect the resolution of a video display image;
187. Records are composed of fields;
188. Fields are composed of- bytes and character;
189. LASER printers are known as- Character printer;
190. High speed & high quality printer- LASER printer;
191. The number system used to store data in a computer is- Binary;
192. The fasted data transmission media is- Fiber optic cable;
193. The low level language- machine language, assembly language;
194. High level language is also called- Problem oriented language, Business oriented language,
Mathematically oriented language;
195. Interpreter translate one instruction- at a time;
196. The component hold a charge even through power has been removed- Capacitor;
197. Different components on the motherboard of a PC processor unit are linked together by sets
or parallel electrical conducting lines- Busses;
198. Odd parity bit & Even parity bit associated with error detector;
199. Analog computer works on the supplyfor continuous electrical pulses;
200. Speed measurement device of vehicle- Analog computer;
