Computer Knowledge

201. Machine language is--

• ক. Machine dependent
• খ. Difficult to program
• গ. Error prone
• ঘ. All of above

202. Analog computer works on the supply of --

• ক. Continuous electrical pules
• খ. Electrical pules but not continuous
• গ. Magnetic strength
• ঘ. None of the above

203. Instruction in computer languages consists of--

• ক. OPCODE
• খ. OPERAND
• গ. Both of the above
• ঘ. None of the above

204. Which language is directly understood by the computer without translation program?

• ক. Machine language
• খ. Assembly language
• গ. High level language
• ঘ. None of the above

205. Which of the following is not computer language?

• ক. High level language
• খ. Medium level language
• গ. Low level language
• ঘ. All of above

206. Which statement is valid sbout computer program?

• ক. It is understood by a computer
• খ. It is understood by programer
• গ. It is understood user
• ঘ. All of the above

207. One milisecond is--

• ক. 10 seconds
• খ. 100 seconds
• গ. 1000 seconds
• ঘ. 10000 seconds

208. Latency time is--

• ক. Time to spin the needed data under head
• খ. Time to spin the needed data under track
• গ. Time to spin the data under sector
• ঘ. All of above

209. Seek time is--

• ক. Time to position the head over proper track
• খ. Time to position the head over proper sector
• গ. Time to position the head over proper cylinder
• ঘ. None of above

210. Access time is--

• ক. seek time + latency time
• খ. seek time
• গ. seek time - latency time
• ঘ. latency time

211. Reading data is performed in magnetic disk by--

• ক. Read/write leads
• খ. Sectors
• গ. Track
• ঘ. Lower surface

212. Magnetic disks are most popular medium for--

• ক. Direct access
• খ. Sequentional access
• গ. Both of the above
• ঘ. None of above

213. Tape speed is measured in--

• ক. Feet per second
• খ. Inch per second
• গ. Meter per second
• ঘ. Centimeter per second

214. Storage capacity of magnetic disk depends on--

• ক. tracks per inch of surface
• খ. bit per inch of tracks
• গ. disk pack in disk surface
• ঘ. All of above

215. Which of the following is called low level languages?

• ক. Machine language
• খ. Assembly language
• গ. Both of the above
• ঘ. None of above

216. Which of the following is problem oriented language?

• ক. Machine language
• খ. Assembly language
• গ. High level language
• ঘ. Low level language

217. The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used electronic data processing system is called--

• ক. ASCII
• খ. EBCDIC
• গ. BCD
• ঘ. All of above

218. The octal equivalentof 111010 is--

• ক. 81
• খ. 72
• গ. 71
• ঘ. None of above

219. A name or number used to identify a storage location device?

• ক. A byte
• খ. A record
• গ. An address
• ঘ. All of above

220. Which of the following is not a primary storage device?

• ক. Magnetic tape
• খ. Magnetic disk
• গ. Optical disk
• ঘ. None of above

221. Which MS-DOS files are concerned with viruses?

• ক. MSAV, VSAFE and MWAV
• খ. VER, CHKDSK and SCAN
• গ. SCANDISK and CHKVIR
• ঘ. MDRVR and FINDVIR

222. A computer programer--

• ক. Does all the thinking for a computer
• খ. Can enter input data quickly
• গ. Can operate all types of computer equipments
• ঘ. Can draw only flowchart

223. High level language is also called--

• ক. Problem oriented language
• খ. Business oriented language
• গ. Mathematically oriented language
• ঘ. All of above

224. Which is the limitation of high level language?

• ক. Lower efficiency
• খ. Machine dependence
• গ. Machine level coding
• ঘ. None of above

225. Which statement is valid about interpreter?

• ক. It translates one ibstruction at a time
• খ. Object code is saved for future use
• গ. Repeated interpretation is not necessary
• ঘ. All of above