An optical input device that interprets pencil marks on paper media is
OMR
Punch card reader
Optical scanners
Magnetic tape
Correct Answer :
A. OMR
Related Questions
A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.
Modulator
Demodulator
Modem
Decoder
Symbolic logic was discovered by
George Boole
Herman Hollerith
Van Neumann
Basic Pascal
The qualitative or quantitative attribute of a variable or set of variables is termed as
data
information
both of above
none of above
Which of the following is correct acronym of VGA?
Video Graphics Array
Visual Graphics Array
Volatile Graphics Array
Video Graphics Adapter
What is a compiler?
A compiler does a conversion line by line as the program is run
A compiler converts the whole of a higher level program code into machine code in one step
A compiler is a general purpose language providing very efficient execution
None of the above
VDU is also called
Screen
Monitor
Both 1 & 2
printer
Which of the following disk is fixed disk?
Hard Disks
Flash Disks
Blu-Ray Disks
DVDs
The thing that eventually terminates a worm virus is a lack of:
Memory or disk space.
Time.
CD drives space.
CD-RW.
Which of the following memories has the shortest access times?
Cache memory
Magnetic bubble memory
Magnetic core memory
RAM
Which of the following is not processing?
arranging
manipulating
calculating
gathering
The binary system uses powers of
2
10
8
16
A fault in a computer program which prevents it from working correctly is known as
Boot
Bug
Biff
Strap
Modern Computers are very reliable but they are not
Infallible
Cheap
Powerful
Fast
Which of the following IC was used in third generation of computers?
SSI
MSI
LSI
Both a and b
A ________ is a microprocessor -based computing device.
personal computer
mainframe
workstation
server
After copying the content how many times can you paste?
1
16
32
Many
Circular division of disks to store and retrieve data are known as
tracks
sectors
cycles
rings
________ is the measurement of things such as fingerprints and retinal scans used for security access.
Biometrics
Bio measurement
Computer security
Smart weapon machinery
Second Generation computers were developed during
1949 to 1955
1956 to 1965
1965 to 1970
1970 to 1990
A pen shaped device which can sense light, and is used to point at spots on a video screen.
Mouse
Light pen
Joystick
Plotter
MSI is the abbreviation of
Medium Scale Integrated
Medium System Integrated
Medium Scale Intelligent
Medium System Intelligent
In a computer, most processing takes place in
Memory
RAM
motherboard
CPU
IBM System/360 is
Mainframe Computer
Mini Computers
Micro Computers
None of above
Human beings are referred to as Homosapinens, which device is called Sillico Sapiens?
Monitor
Hardware
Robot
Computer
Which characteristic of computer distinguishes it from electronic calculators?
Accuracy
Storage
Versatility
Automatic
The brain of any computer system is
CPU
Memory
ALU
Control unit
Integrated Circuits (ICs) are related to which generation of computers?
First generation
Second generation
Third generation
Fourth generation
EEPROM stands for
Electrically Erasable Programmable Read Only Memory
Easily Erasable Programmable Read Only Memory
Electronic Erasable Programmable Read Only Memory
None of the above
If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
216
65,536
64K
Any of the above
Which of the following memories allows simultaneous read and write operations?
ROM
RAM
EPROM
None of above