Computer Knowledge

301. In most applications 'F1' stands for?

• ক. Save
• খ. Save as
• গ. Help
• ঘ. Cut-Past

302. Elaboration of VIRUS is--

• ক. Versatile Information Research Under Seize
• খ. Vital Information Resource Under Seize
• গ. Volume Information Resource Under Seize
• ঘ. Video Information Resource Under Seize

303. Which of the following device doesn't use scanning as a first step in its working principle?

• ক. Plotter
• খ. OCR
• গ. MICR
• ঘ. Bar Code Reader

304. In a flowchart, a diamond generally stands for---

• ক. Start / End
• খ. Decision
• গ. Processing
• ঘ. Input / Output

305. The file extension EXE generally refers to what kind of file?

• ক. Excel file
• খ. Audio file
• গ. Executable file
• ঘ. MS Excess file

306. In an email address '[email protected]', the portion 'bbb' indicates?

• ক. Domain name
• খ. TCP/IP Layer name
• গ. Domain type
• ঘ. Protocol name

307. The type of internet connection might be compared to a regular telephone call, in terms of its duration:

• ক. Baseband
• খ. Broadband
• গ. Dial up
• ঘ. Satellite

308. Which must do the return compressed files to their original state--

• ক. Extract
• খ. Archive
• গ. Zip
• ঘ. Delete

309. The term dot per inch (dpi) refers to--

• ক. Speed
• খ. Resolution
• গ. Output
• ঘ. Colors

310. RAM is--

• ক. Non-volatile
• খ. Secondary storage
• গ. Parmanent storage
• ঘ. Volatile

311. Which one of the following is not an application software?

• ক. Java
• খ. MS Word
• গ. MS Excel
• ঘ. Accounting Package

312. The OSI model has--

• ক. 7 Layers
• খ. 5 Layers
• গ. 9 Layers
• ঘ. 8 Layers

313. OMR means--

• ক. Optical Mark Recognition
• খ. Original Mark Recognition
• গ. Only Mark Reading
• ঘ. Optical Media Reading

314. Firmware is builtusing--

• ক. RAM
• খ. Video Memory
• গ. Cache memory
• ঘ. ROM

315. Control Unite----

• ক. performs mathematical operations
• খ. perform logical operations
• গ. directs the movement of electrical signals
• ঘ. performs comparisons of numbers

316. Flash memory is---

• ক. Non-removable
• খ. Non-volatile
• গ. Non-portable
• ঘ. Volatile

317. The most frequently used instructions are kept in the--

• ক. ROM
• খ. Cache memory
• গ. RAM
• ঘ. CD

318. PCMCIA represents a standard for--

• ক. Desktop computer
• খ. Mainframe
• গ. Minicomputer
• ঘ. Notebook

319. The size of a sector in hard disk is---

• ক. 512 bytes
• খ. 64 bytes
• গ. 510 bytes
• ঘ. 1000 bytes

320. Which is an essential component of a LAN?

• ক. Router
• খ. Gateway
• গ. NIC
• ঘ. Modem

321. In simplex transmission---

• ক. data is sent in both directions simultaneously in a controlled way
• খ. data can travel in two directions, but only one direction at one time
• গ. data is sent in both directions simultaneously
• ঘ. data can travel in only one direction at all times

322. Bandwidth means--

• ক. the range of frequencies
• খ. bit per second
• গ. cycle per second
• ঘ. bit per minute

323. What is the meaning of CC used in a mail?

• ক. Close copy
• খ. Copy circulated
• গ. Confidential copy
• ঘ. Carbon Copy

324. Which of the following is an open source operating system?

• ক. Vista
• খ. UBUNTU
• গ. DOS
• ঘ. Windows XP

325. What does LED stand for?

• ক. Large and extended display
• খ. Light emitting diode
• গ. Light enabled dot
• ঘ. Large electronic display