Which of the following devices can be sued to directly image printed text?
OCR
OMR
MICR
All of above
Correct Answer :
A. OCR
Related Questions
Who used punched cards practically for the first time in the history of computers?
Charles Babbage
Dr. Herman Hollerith
Howard Aikin
Joseph Jacquard
Any type of storage that is used for holding information between steps in its processing is
CPU
Primary storage
Intermediate storage
Internal storage
The contents of information are stored in
Memory data register
Memory address register
Memory arithmetic registers
Memory access register
Which of the items below are considered removable storage media?
Removable hard disk cartridges
(Magneto-optical) disk
Flexible disks cartridges
All of the above
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
The first machine to successfully perform a long series of arithmetic and logical operations was:
ENIAC
Mark-I
Analytic Engine
UNIVAC-1
EBCDIC stands for
Extended Binary Coded Decimal Interchange Code
Extended Bit Code Decimal Interchange Code
Extended Bit Case Decimal Interchange Code
Extended Binary Case Decimal Interchange Code
A CPU contains
a card reader and a printing device
an analytical engine and a control unit
a control unit and an arithmetic logic unit
an arithmetic logic unit and a card reader
The actual execution of instructions happens in
ALU
CU
Memory
None of above
________ is computer software designed to operate the computer hardware and to provide platform for running application software
Application software
System software
Software
Operating system
Central Processing Unit is combination of
Control and storage
Control and output unit
Arithmetic logic and input unit
Arithmetic logic and control unit
What type of virus uses computer hosts to reproduce itself?
Time bomb
Worm
Melissa virus
Macro virus
Primary memory stores
Data alone
Programs alone
Results alone
All of these
Any storage device added to a computer beyond the immediately usable main storage is known as
Floppy disk
Hard disk
Backing store
Punched card
________ Store data or information temporarily and pass it on as directed by the control unit
Address
Register
Number
Memory
A set of information that defines the status of resources allocated to a process is
A) Process control
ALU
Register Unit
Process description
Process control
Which is the largest computer?
Mainframe Computer
Mini Computers
Micro Computers
Super Computers
Which statement is valid about interpreter?
It translates one instruction at a time
Object code is saved for future use
Repeated interpretation is not necessary
All of above
Examples of output devices are
Screen
Printer
Speaker
All of these
A name or number used to identify a storage location is called
A byte
A record
An address
All of above
Light pen and joystick are________
Algorithm
Input devices
Output devices
Portals
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.
When did John Napier develop logarithm?
1416
1614
1641
1804
ALU is
Arithmetic Logic Unit
Array Logic Unit
Application Logic Unit
None of above
The process of starting a or restarting a computer system by loading instructions from a secondary storage device into the computer memory is called
Duping
Booting
Padding
CPS
Which language was devised by Dr. Seymour Cray?
APL
COBOL
LOGO
FORTRAN
Which of the following memories allows simultaneous read and write operations?
ROM
RAM
EPROM
None of above
What kind of memory is both static and non -volatile?
RAM
ROM
BIOS
CACHE
EPROM can be used for
Erasing the contents of ROM
Reconstructing the contents of ROM
Erasing and reconstructing the contents of ROM
Duplicating ROM
The original ASCII code used__bits of each byte, reserving that last bit for error checking
5
6
7
8