What is a Drum Printer ?
Drum Printer :-
- It’s a line printer.
- Able to print a line at the same time.
- Consist of a solid cylindrical drum with characters embossed on it in circular band.
- Each band consists of character set which contains 96 characters.
- Drum rotates fastly when desired characters arrives an appropriate hammer stike on ribbon & character is print on paper.
- Capable to print 300 to 2000 lines per minute.
Drum Printer ADVANTAGES:-
- Low cost than non impact printer.
- Can make carbon copy of print out.
- Low maintenance cost.
- Faster than other impact printer.
- Printing quality is similar to a type writer.
Drum Printer DISADVANTAGES:-
- Very slow in speed.
- Very noisy.
- Large & heavy.
- Cannot print graphics.
- Only prints predefined set of characters.
Latest Computer Post :- Click Here
Basic Computer Questions
Q : The main system board of the computer is called ____.
(A) Motherboard
(B) Processor
(C) Microchip
(D) None of these
Click to show/hide
Q : Which of the following system components is the brain of a computer?
(A) Circuit board
(B) CPU
(C) Memory
(D) Network card
Click to show/hide
Q : What is the built-in permanent memory in a computer called?
(A) RAM
(B) ROM
(C) CPU
(D) CD-ROM
Click to show/hide
Q : Which of the following is the full form of NTFS?
(A) New Tree File system
(B) New Technology file system
(C) New Table file system
(D) Both B and C
Click to show/hide
Q : Which of the following is not a hardware processing chip ?
(A) Processing chip
(B) printer
(C) mouse
(D) Java
Click to show/hide
Q : The monitor of a computer is-
(A) storage device
(B) processing device
(C) input device
(D) output device
Click to show/hide
Q : Which protocol does Ping use?
(A) TCP
(B) ARP
(C) ICMP
(D) BootP
(E) None of these
Click to show/hide
Q : If you wish to extend the length of the network without having the signal degrade, you would use a ___.
(A) Gateway
(B) Router
(C) Modem
(D) Repeater
(E) Resonator
Click to show/hide
Q : A series of instructions that tells a computer what to do and how to do it is called a ______.
(A) program
(B) command
(C) user response
(D) processor
(E) None of these
Click to show/hide
Q : Verification of a login name and password is known as_____.
(A) Configuration
(B) Accessibility
(C) Authentication
(D) logging in
(E) None of these
Answer ⇒ ??
Mast