Web cam is an
input unit device
output unit device
processing device
Input and Output device
Correct Answer :
A. input unit device
Related Questions
Pick the one that is used for logical operations or comparisons such as less than equal to or greater than.
Arithmetic and Logic Unit
Control Unit
Both of above
None of above
which of the following is problem oriented language?
High level language
Machine language
Assembly language
Low level language
The qualitative or quantitative attribute of a variable or set of variables is termed as
data
information
both of above
none of above
Chief component of first generation computer was
Transistors
Integrated Circuits
None of above
Vacuum Tubes and Valves
The arranging of data in a logical sequence is called
Sorting
Classifying
Reproducing
Summarizing
Software in computer
Enhances the capabilities of the hardware machine
Increase the speed of central processing unit
Both of above
None of above
Which is used for manufacturing chips?
Bus
Control unit
Semiconductors
A and b only
What was the computer invented by Attanasoff and Clifford?
Mark I
ABC
Z3
None of above
What is a light pen?
Mechanical Input device
Optical input device
Electronic input device
Optical output device
The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately
16 digits
6 digits
9 digits
All of above
Which of the following is used as a primary storage device?
Magnetic drum
Hard Disks
All of above
Floppy
Which of the following computer language is used for artificial intelligence?
FORTRAN
PROLOG
C
COBOL
IBM System/360 is
Mainframe Computer
Mini Computers
Micro Computers
None of above
What does DMA stand for?
Distinct Memory Access
Direct Memory Access
Direct Module Access
Direct Memory Allocation
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
What is the name of the display feature that highlights are of the screen which requires operator attention?
Pixel
Reverse video
Touch screen
Cursor
in which year was UK's premier computing event started?
1980
1985
1986
1987
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
The subject of cybernetics deals with the science of
Genetics
Control and communication
Molecular biology
Biochemistry
The ________ is the amount of data that a storage device can move from the storage medium to the Computer per second
data migration rate
data digitizing rate
data transfer rate
data access rate
A program that converts computer data into some code system other than the normal one is known as
Encoder
Simulation
Emulator
Coding
What is the name of the computer terminal which gives paper printout?
Display screen
Soft copy terminal
Hard copy terminal
Plotter
A ________ is an additional set of commands that the computer displays after you make a selection from the main menu
dialog box
submenu
menu selection
All of the above
The instructions for starting the computer are house on
Random access memory
CD-Rom
Read only memory chip
All of above
Which statement is valid about magnetic tape?
It is a plastic ribbon
It is coated on both sides with iron oxide
It can be erased and reused
All of above
Which of the following professions has not been affected by personal computers?
Medical
Clerical and law
Accounting
None of the above
Which of the following is the 1's complement of 10?
1
110
11
10
The ________ data mining technique derives rules from real-world case examples.
Rule discover
Signal processing
Neural nets
Case-based reasoning
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
Computers with 80286 microprocessor is
XT computer
AT comptuers
PS/2 computer
None of above