Computer GK QUESTIONS AND ANSWERS

Computer GK QUESTIONS AND ANSWERS 145 to 152

145. RESTORE command is used to

Restore files from disks made using the BACKUP command

Restore files which are deleted

Restore files from recycle bin

Restore files which are deleted recently

146. How many OSI layers are covered in the X.25 standard?

Two

Three

Seven

Six

147. What is the minimum number of wires needed to send data over a serial communication link layer?

148. Sequential file organization is most appropriate for which of following applications?

Grocery store checkout

bank checking account

payroll

airline reservations

149. Which command creates a directory or subdirectory?

Dir

Mkdir

Both b and c

150. The maximum length in DOS commands is

80 chars

127 chars

100 chars

8 chars

151. Where does a computer add and compare data?

Hard disk

Floppy disk

CPU chip

Memory chip

152. Layer one of the OSI model is

physical layer

link layer

transport layer

network layer

More Computer Basics GENERAL KNOWLEDGE QUESTIONS AND ANSWERS available in next pages

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