Subject Science & Technology
276. Which of the following, harmful rays comes out from colour TV?
Gama ray
Beta ray
Cosmic ray
Alpha ray
X-ray
Ans.
277. Which one of the following is not an internet search engine?
Google
MSN
Windows
Yahoo
None of these
Ans.
278. A hard disk has the storage capacity of 500 GB. How many bytes of information it can store?
500 × 2 30 bytes
500 × 2 28 bytes
500 × 2 32 bytes
500 × 2 36 bytes
Ans.
279. A CD-ROM drive is labeled with 52X. Here 52X is a measurement of -
Data transfer rate
Revolution per minute
Capacity of the CD
Time required to read
Ans.
280. Maximum number of rows in an excel sheet are
65532
65535
256
65536
Ans.
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?
700
3500
350
500
Ans.
282. Which of the following programing languages is not a high level language?
FORTAN
C++
Java
Oracle
Ans.
283. Which one of the following is Utility Software?
MS-Word
McAfee
Windows XP
Oracle
Ans.
284. Bluetooth operations use -
Magnetic technology
Optical technology
Radio technology
Laser technology
Ans.
285. POST means -
Proper Operation Service Terminal
Point Of Sale Terminal
Post Office Sale Terminal
None of the Above
Ans.
286. In Bangladesh, BTRC provides bandwidth of internet service through submarine cable network. Which of the following submarine cable networks is connected with Bangladesh?
Southern Cross Cable
FLAG
C2C North Ring
SEA-ME-WE
Ans.
287. বিশ্রামরত অবস্থায় একজন প্রাপ্তবয়স্ক সুস্থ মানুষের হৃদস্পন্দন হয় প্রতি মিনিটে -
৪০ বার
৫২ বার
৭২ বার
৮৮ বার
Ans.
288. কম্পিউটার ব্যবহৃত দুটি অংক হল -
১ এবং ২
১ এবং ৩
০ এবং ১
০ এবং ২
Ans.
289. IPV4 address is
16 bit
32 bit
64 bit
None
Ans.
290. A hard disk is divided into tracks which are further subdivided into:
Clusters
Sectors
Vectors
None
Ans.
291. Which last address of IP address represents
Unicast address
Network address
Broadcast address
None
Ans.
292. Which one of the following represent the binary equivalent of the decimal number 23?
01011
10111
10011
None
Ans.
293. CSS is an acronym for
Cascading Style Sheets
Costume Style Sheets
Cascading System Style
None
Ans.
294. The machine readable form of a program is called as -
Source code
Object Code
Executable File
None
Ans.
295. What is the use of Forms in HTML?
To display contents of email
To display animation effect
To collect user's input
None
Ans.
296. A computer port is used to
Communicate with hard disks
Download files
Communicate with other computer peripherals
None
Ans.
297. SQL stand for
Structure Query Language
Standard Query Language
Standard Query Linguistics
None
Ans.
298. Which of the following is not in OSI model?
Physical layer
Internet layer
Transport layer
None
Ans.
299. ‘’Bluetooth’ নিচের কোন্ প্রযু্ক্তি ব্যবহার করে?
Magnetic
Optical
Laser
Radio Frequency
Ans.
300. The humidity of the air depend upon -
Weather
Location
Temperature
All of the above
Ans.
Total Question : 25
Total Hit : 0
Correct : 0
Wrong/Cheat : 0