421 . Which device is mainly related to provide security of a network?
- A. Router
- B. Firewall
- C. Switch
- D. Operating System
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বাংলাদেশ ব্যাংক || সহকারী পরিচালক 28-10-2022
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423 . Which file extension indicate only graphics files?
- A. BMP and DOC
- B. JPEG and TXT
- C. TXT and STK
- D. BMP: and GIF
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424 . Which file extensions do indicate only graphics files ?
- A. BMP and DOC
- B. JPEG and TXT
- C. TXT and STK
- D. BMP and GIF
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Bangladesh Bank - Assistant Director - 2011
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425 . Which file is run automatically if it is available?
- A. AUTOEXEC.COM
- B. DOSCONFIG.SYS
- C. SMARTDRV.SYS
- D. CONFIG.SYS
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Bangladesh Bank - Assistant Director - 2008
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426 . Which is an essential component of a LAN -
- A. Router
- B. Gateway
- C. NIC
- D. Modem
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427 . Which is an item of storage medium in the form of circular plate?
- A. Disk
- B. CPU
- C. Printer
- D. ALU
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428 . Which is not an output device of the following?
- A. Printer
- B. Monitor
- C. Speaker
- D. Mouse
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429 . Which is not computer network?
- A. LAN
- B. MAN
- C. WAN
- D. WWW
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430 . Which is not Internet browsing software?
- A. Internet explorer
- B. Opera
- C. Mozzila
- D. Netscape Navigator
- E. None of these
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Sonali- Janata- Agrani &- Rupali Bank Ltd. Senior Officer Recruitment 14.03.2008
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431 . Which is the fastest computer?
- A. Super computer
- B. Mainframe computer
- C. Mini-computer
- D. Personal computer
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Sonali- Janata &- Agrani Bank Offier (Cash Recruitment) 22.02.2008
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432 . Which is the first computer language of the world?
- A. FORTRAN
- B. C++
- C. ADA
- D. PASCAL
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433 . Which is the first computer of the world?
- A. IBM
- B. ENIAC
- C. Macintosh
- D. Abacas
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434 . Which is the largest unit of storage in computers?
- A. TB
- B. KB
- C. MB
- D. GB
- E. None of these
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বাংলাদেশ বনশিল্প উন্নয়ন কর্পোরেশন সহকারী ব্যবস্থাপক-০২.০৮.২০১৩
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435 . Which is the largest unit of storage?
- A. terabyte
- B. kilobyte
- C. megabyte
- D. gigabyte
- E. hectabyte
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