Which device is used as the standard pointing device in a Graphical User Environment?
Keyboard
Mouse
Joystick
Track ball
Correct Answer :
B. Mouse
Related Questions
________printer is the cheapest in terms of price and operating cost
Inkjet
Laser
Thermal
Dot matrix
A high quality CAD system uses the following for printing drawing and graphs
Dot matrix printer
Digital plotter
Line printer
All of the above
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 few programs as fast as possible while mainframe uses its power to execute as many
Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.
The brain of any computer system is
Control Unit
Arithmetic Logic Unit
Central Processing Unit
Storage Unit
CD-ROM stands for
Compactable Read Only Memory
Compact Data Read Only Memory
Compactable Disk Read Only Memory
Compact Disk Read Only Memory
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 advantage of COM are its __ and __
Compact size; speed readability
Compact size, speed
Readability; speed
Low cost; readability
Which part of the computer is used for calculating and comparing?
Disk unit
Control unit
ALU
Modem
Who is the chief of Microsoft
Babbage
Bill Gates
Bill Clinton
none of these
Who invented vacuum tubes?
John Bardeen
William Shockley
Lee de Forest
All of above
Who invented vacuum tubes?
John Bardeen
William Shockley
Lee de Forest
All of above
A ________ is a microprocessor -based computing device.
personal computer
mainframe
workstation
server
The thing that eventually terminates a worm virus is a lack of:
Memory or disk space.
Time.
CD drives space.
CD-RW.
________ is the key we use to run the selected command.
SHIFT
TAB
ENTER
CTRL
Which of the following storage devices can store maximum amount of data?
Floppy Disk
Hard Disk
Compact Disk
Magneto Optic Disk
Nepal brought a computer for census of 2028 BS. This computer was of
first generation
second generation
third generation
fourth generation
CAD stands for
Computer aided design
Computer algorithm for design
Computer application in design
Computer analogue design
SMPS stands for
Switched mode Power Supply
Start mode power supply
Store mode power supply
Single mode power supply
A single packet on a data link is known as
Path
Frame
Block
Group
IBM 1401 is
First Generation Computer
Second Generation Computer
Third Generation Computer
Fourth Generation Computer
Algorithm and Flow chart help us to
Know the memory capacity
Identify the base of a number system
Direct the output to a printer
Specify the problem completely and clearly
The ________ data mining technique derives rules from real-world case examples.
Rule discover
Signal processing
Neural nets
Case-based reasoning
Which is considered a direct entry input device?
Optical scanner
Mouse and digitizer
Light pen
All of the above
The digital computer was developed primarily in
USSR
Japan
USA
UK
Personnel who design, program, operates and maintains computer equipment refers to
Console-operator
Programmer
Peopleware
System Analyst
A high quality CAD system uses the following for printing drawing and graphs
Dot matrix printer
Digital plotter
Line printer
All of the above
Which of the following memories has the shortest access times?
Cache memory
Magnetic bubble memory
Magnetic core memory
RAM
What was the nick name of the computer used by the Americans in 1952 for their H-bomb project?
ENIAC
EDSAC
MANIAC
UNIVAC
What are the three decisions making operations performed by the ALU of a computer?
Grater than
Less than
Equal to
All of the above
Which of the following is not a primary storage device?
Magnetic tape
Magnetic disk
Optical disk
All of the above