13 Introduction to the Computer (Part 13)

04 Mar 2015

241.Which of the following is true? 
 (1) Fields are composed of bytes 
 (2) Records are composed of fields 
 (3) Fields are composed of characters 
 (4) All the above 
 (5) None of them

242.Which of the following file organization is most efficient for a file with a high degree of file activity?
 (1) Sequential
 (2) ISAM
 (3) VSAM
 (4) B-Tree Index
 (5) None of them

243.The two basic types of record-access methods are
 (1) Sequential and random 
 (2) Sequential and indexed
 (3) Direct and immediate 
 (4) On-line and real time
 (5) None of them

244.The advantage of COM are its ... and ... 
 (1) Compact size; speed readability 
 (2) Compact size, speed 
 (3) Readability; speed 
 (4) Low cost; readability
 (5) None of them

245.A disadvantage of the laser printer is: 
 (1) It is quieter than an impact printer
 (2) It is very slow
 (3) The output is of a lower quality 
 (4) All the above 
 (5) None of them

246.Which of the following is not true for a magnetic disk?
 (1) It is expensive relative to magnetic tape
 (2) It provides only sequential access to stored data
 (3) Users can easily update records by writing over the old data
 (4) All the above 
 (5) None of them

247.The primary advantage of key-to-tape data entry system is
 (1) A large percentage of editing can be performed at the time of data entry
 (2) Key verification is easily performed
 (3) The tape is reusable
 (4) Keying errors can be detected as they occur.
 (5) None of them

248.The terminal device that functions as a cash register, computer terminal, and OCR reader is the: 
 (1) Data collection terminal
 (2) OCR register terminal
 (3) Video Display terminal 
 (4) POS terminal 
 (5) None of them

249.Which of the following does not affect the resolution of a video display image?
 (1) Bandwidth
 (2) Raster scan rage
 (3) Vertical and horizontal lines of resolution
 (4) Screen size
 (5) None of them

250.While inserting a diskette into the diskette drive of a PC, the diskette’s label side should face
 (1) East
 (2) North
 (3) South
 (3) Up
 (5) None of them

251.In which year was UK’s premier computing event called “The which  computer” started? 
 (1) 1980 (2) 1985
 (3) 1986 (4) 1987
 (5) None of them

252.The latest PC keyboards use a circuit that senses the movement by the change in its capacitance, 
 (1) Capacitance keyboard 
 (2) Mechanical keyboard 
 (3) Qwerty keyboard 
 (4) Dvorak keyboard
 (5) None of them

253.Different components on the motherboard of a PC processor unit   are linked together by sets or parallel electrical conducting lines. What are   these lines called?
 (1) Conductors
 (2) Buses
 (3) Connectors
 (4) Connectively
 (5) None of them

254.Which of the following magazines covers only the IBM PC and its compatibles?
 (1) Byte 
 (2) PC Magazine
 (3) Personal Computing 
 (4) Interface Age 
 (5) None of them

255.Which of the following professions has not been affected by personal computers?
 (1) Medical
 (2) Clerical and law
 (3) Accounting
 (4) All the above
 (5) None of them

256.The arranging of data in a logical sequence is called 
 (1) Sorting
 (2) Classifying
 (3) Reproducing
 (4) Summarizing
 (5) None of them

257.When was Apple Macintosh II microcomputer introduced in the market?
 (1) 1964
 (2) 1970 
 (3) 1983
 (4) 1986
 (5) None of them

258.What is the name of the new color laptop computer which is powered by a 386 processor at 33 MHz and is built by Epson?
 (1) AX3/33 
 (2) NEC-20
 (3) Magnum 2000 (4) HCL-3OOO
 (5) None of them

259.What does the disk drive of a computer do?
 (1) Rotate the disk 
 (2) Read the disk
 (3) Load a program from the disk into the memory
 (4) Both 2 and 3
 (5) None of them

260.The language that the computer can understand and execute is called 
 (1) Machine language
 (2) Application software
 (3) System program
 (4) All the above
 (5) None of them

Answers: 241. (4) 242. (1) 243. (1) 244. (2)  245. (5) 246. (2) 247. (3) 248. (4)  249. (4) 250. (3)  251. (1) 252. (1) 253. (2) 254. (2) 255. (4) 256. (1) 257. (3) 258. (1) 259. (4) 260. (1) 

Labels


Computers