161. Which of the following is the extension for Microsoft word 2007?

dir

dot

docx

xml

162. ক্যাপাসিটর স্টার্ট, ক্যাপাসিটর রান মোটরে থাকে--

লো পা্ওয়ার ফ্যাক্টর

হাই পা্ওয়ার ফ্যাক্টর

লো এফিসিয়েন্স

হাই স্টাটিং টর্ক

163. বাংলাদেশের প্রথম কম্পিউটার প্রোগ্রামার কে?

মোস্তফা জাব্বার

হাফিজউদ্দিন মিয়া

আব্দুল জাব্বার

উপরের কেউ না

164. What is the name given to the sequence of steps which a computer follows?

Instractions

Algorithms

Flowcharts

Application software

165. Supercomputers are those which?

Contain a lagrge single chip

Can perform billions of calcutations per second

Are found at thousand of places around the world

Are designed to processs thousand pf accounting applications.

166. A box which tells the effect of inputs on control sub system is known as

Data Box.

Logical box.

Decision box.

State box.

167. Lowest critical frequency is due to zero and it may be present at the origin or nearer to the origin, then the type of network is

LC circuit.

RC circuit

RLC circuit.

RL Circuit.

168. Lowest critical frequency is due to pole and it may be present at the origin or nearer to the origin, then the type of network is

LC

RL.

RC

Any of the above.

169. In the cauer-2 form of LC network---------is series element and --------is shunt element respectively?

L and C

C and L

L and L

C and C

170. In electronic communications, "AM" stands for

Amp Modification

Amplitude Method

Amplitude Modulation

Ampere Method

171. A sinusoidal signal is analog signal, because

it can have a number of values between the negative and positive peaks

it is negative for one half cycle

it is positive for one half cycle

it has positive as well as negative values

172. Speed of data transmission in 4-G network of telecom is

386 kbps - 2 mbps.

2 mbps.

2 mbps – 1 gbps.

100 mbps - 1 gbps.

173. FM stands for

frequent modulation.

frequency modulation.

frequency moderator.

frequent moderator.

174. Which of the following is required to connect a computer to the internet?

Pen Drive

Mouse

DVD

Modem

175. What is the meaning of www written in front of a web address?

Worldwide wireless windows

World wide web

World wide wan

World wide wire free woofer

176. Which of the following is harmful for a computer?

Excessive temperature

Dust

Virus

All of these are ha

177. Which of the following is harmful for a computer?

Excessive temperature

Dust

Virus

All of these are harmful

178. Which one of the following is a read only memory storage device?

CD-RoM

Hard Disk

Floppy Disk

Pen drive

179. Which one of the following cables can transmit data at high speeds?

Cat-3 STP

Cat-5 STP

Fiber Optic Cables

UTP cables

180. Computer software includes which of the following ?

Application programs

OS

Packaged programs

All of these