Floppy disks typically in diameter
3
5.25
8
All of above
Correct Answer :
D. All of above
Related Questions
A stand-alone system which produces one page of printed output at a time is
Page printer
Line printer
Laser printer
Dot matrix printer
Which of the following file organization is most efficient for a file with a high degree of file activity?
Sequential
ISAM
VSAM
B-Tree Index
CAD stands for
Computer aided design
Computer algorithm for design
Computer application in design
All of the above
Chief component of first generation computer was
Transistors
Vacuum Tubes and Valves
Integrated Circuits
None of above
The output quality of a printer is measured by
Dots per inch
Dot per sq. inch
Dots printed per unit time
All of above
In 1999, the Melissa virus was a widely publicised:
E-mail virus.
Macro virus.
Trojan horse.
Time bomb.
An error in computer data is called
Chip
Bug
CPU
Storage device
One millisecond is
1 second
10th of a seconds
1000th of a seconds
10000th of a seconds
A typical personal computer used for business purposes would have of RAM.
4 KB
16 K
64 K
256 K
Who invented vacuum tubes?
John Bardeen
William Shockley
Lee de Forest
All of above
The control unit of a microprocessor
Stores data in the memory
Accepts input data from keyboard
Performs arithmetic/logic function
None of above
Which of the following is not processing?
arranging
manipulating
calculating
gathering
The ALU of a computer responds to the commands coming from
Primary memory
Control section
External memory
Cache memory
Which statement is valid about computer program?
It is understood by a computer
It is understood by programmer
It is understood user
Both a & b
Which of the following will happen when data is entered into a memory location?
It will add to the content of the location
It will change the address of the memory location
It will erase the previous content
It will not be fruitful if there is already some data at the location
What is the name of the display feature that highlights are of the screen which requires operator attention?
Pixel
Reverse video
Touch screen
Cursor
Why ABC is considered electro-mechanical computer?
Because it was invented before electronic computers were developed
Because there are wheels, drums, bars to rotate and move to produce result
Because they use the flow of electrons in different component
None of above
Who suggested Stored Program Concept
John Mauchley
J.P. Eckert
John Neumann
Joseph Jacquard
The storage subsystem in a microcomputer consists mainly of __ or __ media with varying capacities
Memory or video
Magnetic or optical
Optical or memory
Video or magnetic
Registers, which are partially visible to users and used to hold conditional, are known as
PC
Memory address registers
General purpose register
Flags
The lower deck of an abacus is known as
heaven
sky
earth
floor
Which type of computers uses the 8-bit code called EBCDIC?
Minicomputers
Microcomputers
Mainframe computers
Super computer
Which of the items below are considered removable storage media?
Removable hard disk cartridges
(Magneto-optical) disk
Flexible disks cartridges
All of the above
One millisecond is
1 second
10th of a seconds
1000th of a seconds
10000th of a seconds
Current SIMMs have either or connectors (pins)
9 or 32
30 or 70
28 or 72
30 or 72
Which of the following are the functions of a operating system
Allocates resources
Monitors Activities
Manages disks and files
All of the above
Which technology is more reliable?
Mechanical
Electro-Mechanical
Electronic
For reliability it does not matter. So all of above are reliable
The Width of a processor's data path is measured in bits. Which of the following are common data paths?
8 bits
12 bits
16 bits
32 bits
Which of the printers used in conjunction with computers uses dry ink powder?
Daisy wheel printer
Line printer
Laser printer
Thermal printer
The processing speed of first generation computers was
milliseconds
microseconds
nanoseconds
picoseconds