Related Questions

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(n) ____ device is any device that provides information which is sent to the CPU.
A input
B output
C CPU
D memory
E storage
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.
A True
B False
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
What is the name of the temporary data storage area between a peripheral device and the CPU which compensates for the difference between their speeds?
A Backing storage
B Buffer
C Main storage
D Temporary storage
E None of the above
If Arif works alone he will take 20 more hours to complete a task than if he works with Babu to complete the task. If Babu work alone, he will take 5 more hours to complete the task than if he works with Arif to complete the task. What is the ratio of the time taken by Arif to than taken by Babu if each of them works alone to complete the task?
A 2 : 1
B 5 : 3
C 7 : 5
D None of these
Sometime data are gathered over a period of time and collected into a group before entering them into a computer for processing. What type of processing is it called?
A Interactive processing
B Sequential processing
C Batch processing
D Group processing
E None of the above
Which of the following represents examples of an IT input device, output device and storage device respectively ?
A bar code reader, CD drive, projector
B keyboard, monitor, hard disc
C printer, DVD drive, joystick
D printer, mouse, monitor
IN most IBM PCs, the CPU, the device, memory expansion slots and active components are mounted on a single board. What is the name of this board?
A Breadboard
B Motherboard
C Grandmother board
D Daughter board

Next steps