Binary circuit elements have
One stable state
Two stable state
Three stable state
None of above
Correct Answer :
B. Two stable state
Related Questions
Which programming languages are classified as low level languages?
Basic, COBOL, FORTRAN
Prolog 2, Expert Systems
Knowledge based Systems
Assembly Languages
Regarding a VDU, Which statement is more correct?
It is an output device
It is an input device
It is a peripheral device
It is hardware item
Who invented the microprocessor?
Marcian E Huff
Herman H Goldstein
Joseph Jacquard
All of above
Who invented Analytical engine?
Blaise Pascal
George Bool
Charles Babbage
Dr. Herman Hollerith
Computer operators
writes computer programs for specific problems
operate the device which input and output data from the computer
normally require a college degree in computer science
all of the above
What is the name of the display feature that highlights are of the screen which requires operator attention?
Pixel
Reverse video
Touch screen
Cursor
The most important advantage of a video disk is
Compactness
Potential capacity
Durability
Cost effectiveness
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
Which computers used operating systems by Microsoft?
IBM PCs
Apple/Macintosh PCs
IBM Compatibles
Both A & C
When did John Napier develop logarithm?
1416
1614
1641
1804
A paper printout of a document is known as
Softcopy output
Hardcopy output
Permanent Output
All of above
________ computers operate essentially by counting
Portable computer
Hybrid computer
Analog computer
Digital computer
Which of the following can store information in the form of microscopic pits on metal disks.
Laser disks
Tape cassettes
RAM cartridge
Punched cards
One of the popular mass storage device is CD ROM. What does CD ROM stand for?
Compactable Read Only Memory
Compact Data Read Only Memory
Compactable Disk Read Only Memory
Compact Disk Read Only Memory
_________ translates and executes program at run time line by line
Compiler
Interpreter
Linker
Loader
Charles Babbage was awarded by Royal Society for his
Difference Engine
Analytic Engine
Binary System in Analytic Engine
His concept of input, mill, output and storage
WAN is a most used abbreviation in Networking, what is its full form?
WAP Area Network
Wide Area Network
Wide Array of Network
Wireless Access Network
A digital computer did not score over an analog computer in terms of
Speed
Accuracy
Reliability
Cost
The difference between memory and storage is that memory is ______ and storage is
Temporary, permanent
Permanent, temporary
Slow, fast
All of above
Which of the following generation computers had expensive operation cost?
First
Second
Third
Fourth
The first machine to successfully perform a long series of arithmetic and logical operations was:
ENIAC
Mark-I
Analytic Engine
UNIVAC-1
Bit map terminal
support display containing multiple windows
require considerable amount of video RAM
requires tremendous amount of copying and hence low performance
all of above
Which is considered a direct entry input device?
Optical scanner
Mouse and digitizer
Light pen
All of the above
What is the most common tool used to restrict access to a computer system?
User logins
Passwords
Computer keys
Access-control software
BCD is
Binary Coded Decimal
Bit Coded Decimal
Binary Coded Digit
Bit Coded Digit
Why are vacuum tubes also called valves?
Because they can amplify the weak signals and make them strong
Because they can stop or allow the flow of current
Both of above
None of above
The Second Generation Computer was based on .
Vacuum Tube
Silicon Chips
Transistor
Bio Chips
What is the main difference between a mainframe and a super computer?
Super computer is much larger than mainframe computers
Super computers are much smaller than mainframe computers
Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.
Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
Which unit converts computer data into human readable form?
Input unit
Output unit
ALU
Control Unit
What is meant by a dedicated computer?
Which is used by one person only?
Which is assigned one and only one task?
Which uses one kind of software?
Which is meant for application software?