Related Questions

The CPU of a computer transfers print output to a temporary disk memory at high speed and then gets back to processing another job without waiting for the output to got to the printer. In this way, the CPU does not remain idle due to its own high speed as compared to the low speed of the printer. What is the name of this memory?
A External memory
B I/O memory
C ROM
D Buffer memory
E None of the above
Consider a company that assembles computers. The probability of a faulty assembly of any computer is p. The company therefore subjects each computer to a testing process. This testing process gives the correct result for any computer with a probability of q. What is the probability of a computer being declared faulty?
A pq + (1 - p) (1 - q)
B (1 - q)p
C (1 - p)q
D pq
Hard disk এর পিছনের জাম্পার সেটিং ঠিক না থাকলে যে সমস্যা হয় -i. সফটওয়্যার install করা যায় নাii. Boot disk failureiii. Hard disk not found দেখায়নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
If we want to connect a few computers in a small office, all the computers in one building, or all the computers in several buildings in close proximity, which type of network is required?
A PAN
B LAN
C MAN
D SAN
In a shipment of computers, 1% of the computers are defective. What is the ratio of defective to non-defective computers?
A 1 : 200
B 1 : 100
C 1 : 99
D 99 : 1
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?
A Paperless office
B Electronic mail
C Global network
D Electronic newspaper
E None of the above
A certain hard disk has a data transfer rate of 20 MB/sec. How much time is required to transfer 5 megabyte data from this disk to memory?
A 20 sec.
B 1 sec.
C 0.5 sec.
D 0.25 sec.
When MS-DOS formats a disk, it automatically creates the main directory on your disk, which is called the _____ directory.
A main
B root
C area
D border
E None of the above
Which option will be used with disk free command to include the total amount of disk space in the file system?
A #NAME?
B #NAME?
C -4
D #NAME?
E None of the above
Before a disk drive can access any sector record, a computer program has to provide the record's disk address. What information does this address specify?
A Track number
B Sector number
C Surface number
D All of the above
E None of the above

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