ICT Question & Answer For Competitive Examination
101. GSM is used in 216 countries
102. Applicable for GSM 3G
103. The average power consumption in GSM is 2 watts
104. CDMA discovers Qualcomm (1995)
105. The frequency range of radio waves is 10 KHz-1GHz
106. The speed of the radio wave is 24Kbps
107. CDMA launched 3G in 1999
108. CDMA provides data in spread spectrum
109. 1G AMPS was launched in 1983 in North America
110. The first prepaid system was launched in 2G
111. MMS and SMS are introduced on 2G
112. 3G was launched in 1992
113. 3G bandwidth 2MHz
114. 3G Mobile first used in Japan's NTT Docomo (2001)
115. The main feature of 4G is the use of IP based network
116. 4G speeds are 50 times faster than 3G
117. The actual bandwidth of 4G is 10Mbps
118. There are two types of terminals
119. Geographically computer network - 4 types
120. PAN is limited to 10 meters
121. Thomas Zimmerman came up with the idea for PAN
122. LAN is limited to 10 kilometers
123. Co-axial cable is used in LAN
124. Cable TV Network-MAN
125. NIC = Network Interface Card
126. The number of bits in the NIC card code is -48
127. There are two types of modems
128. Hub is a more than two ported repeater
129. Renowned router company - Cisco
130. There are mainly 3 types of bridges
131. The point at which the PC is connected to the network is called the node.
132. Used in Office Management - Tree Topology
133. Starts Cloud Computing Commercially - Amazon (2007)
134. Features of Cloud Computing - 3
135. Symbol of the number system - numbers
136. There are two types of number systems
137. Positional number system requires 3 data
138. Numbers are divided into integers and fractions by Radix Point
139. The full form of Bit - Binary Digit
140. The basic unit of digital computer is Bit
141. The simplest calculation method - binary method
142. Logic level of “O”: from 0 Volt to +0.8 Volt
143. Logic level of “1”: From +2 Volt to +5 Volt
144. Digital Device works in Binary mode
145. The value of n bits is 2 n
146. BCD Code = Binary Coded Decimal Code
147. ASCII = American Standard Code for Information Interchange
148. ASCII was invented by Robert Beamer (1985).
149. Number of bits in ASCII code - 6
150. EBCDIC = Extended Binary Coded Decimal Information Code
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