Subject Science & Technology
276. Which of the following, harmful rays comes out from colour TV?
(a) Gama ray
(b) Beta ray
(c) Cosmic ray
(d) Alpha ray
(e) X-ray
Ans. a
277. Which one of the following is not an internet search engine?
(a) Google
(b) MSN
(c) Windows
(d) Yahoo
(e) None of these
Ans. c
278. A hard disk has the storage capacity of 500 GB. How many bytes of information it can store?
(a) 500 × 2 30 bytes
(b) 500 × 2 28 bytes
(c) 500 × 2 32 bytes
(d) 500 × 2 36 bytes
Ans. a
279. A CD-ROM drive is labeled with 52X. Here 52X is a measurement of -
(a) Data transfer rate
(b) Revolution per minute
(c) Capacity of the CD
(d) Time required to read
Ans. b
280. Maximum number of rows in an excel sheet are
(a) 65532
(b) 65535
(c) 256
(d) 65536
Ans. d
281. Suppose the value of cell E5 in Ms-Excell sheet is 3500. If we apply the formula =IF(E5<20000, E5*10%, E5*20%). What will be the result?
(a) 700
(b) 3500
(c) 350
(d) 500
Ans. c
282. Which of the following programing languages is not a high level language?
(a) FORTAN
(b) C++
(c) Java
(d) Oracle
Ans. d
283. Which one of the following is Utility Software?
(a) MS-Word
(b) McAfee
(c) Windows XP
(d) Oracle
Ans. b
284. Bluetooth operations use -
(a) Magnetic technology
(b) Optical technology
(c) Radio technology
(d) Laser technology
Ans. c
285. POST means -
(a) Proper Operation Service Terminal
(b) Point Of Sale Terminal
(c) Post Office Sale Terminal
(d) None of the Above
Ans. d
286. In Bangladesh, BTRC provides bandwidth of internet service through submarine cable network. Which of the following submarine cable networks is connected with Bangladesh?
(a) Southern Cross Cable
(b) FLAG
(c) C2C North Ring
(d) SEA-ME-WE
Ans. d
287. বিশ্রামরত অবস্থায় একজন প্রাপ্তবয়স্ক সুস্থ মানুষের হৃদস্পন্দন হয় প্রতি মিনিটে -
(a) ৪০ বার
(b) ৫২ বার
(c) ৭২ বার
(d) ৮৮ বার
Ans. c
288. কম্পিউটার ব্যবহৃত দুটি অংক হল -
(a) ১ এবং ২
(b) ১ এবং ৩
(c) ০ এবং ১
(d) ০ এবং ২
Ans. c
289. IPV4 address is
(a) 16 bit
(b) 32 bit
(c) 64 bit
(d) None
Ans. b
290. A hard disk is divided into tracks which are further subdivided into:
(a) Clusters
(b) Sectors
(c) Vectors
(d) None
Ans. b
291. Which last address of IP address represents
(a) Unicast address
(b) Network address
(c) Broadcast address
(d) None
Ans. c
292. Which one of the following represent the binary equivalent of the decimal number 23?
(a) 01011
(b) 10111
(c) 10011
(d) None
Ans. b
293. CSS is an acronym for
(a) Cascading Style Sheets
(b) Costume Style Sheets
(c) Cascading System Style
(d) None
Ans. a
294. The machine readable form of a program is called as -
(a) Source code
(b) Object Code
(c) Executable File
(d) None
Ans. b
295. What is the use of Forms in HTML?
(a) To display contents of email
(b) To display animation effect
(c) To collect user's input
(d) None
Ans. c
296. A computer port is used to
(a) Communicate with hard disks
(b) Download files
(c) Communicate with other computer peripherals
(d) None
Ans. c
297. SQL stand for
(a) Structure Query Language
(b) Standard Query Language
(c) Standard Query Linguistics
(d) None
Ans. a
298. Which of the following is not in OSI model?
(a) Physical layer
(b) Internet layer
(c) Transport layer
(d) None
Ans. b
299. ‘’Bluetooth’ নিচের কোন্ প্রযু্ক্তি ব্যবহার করে?
(a) Magnetic
(b) Optical
(c) Laser
(d) Radio Frequency
Ans. d
300. The humidity of the air depend upon -
(a) Weather
(b) Location
(c) Temperature
(d) All of the above
Ans. d