The earliest calculating devices are
Abacus
Clock
Difference Engine
None of these
Correct Answer :
A. Abacus
Related Questions
Storage capacity of magnetic disk depends on
tracks per inch of surface
bits per inch of tracks
All of above
disk pack in disk surface
________ is the process of dividing the disk into tracks and sectors.
Tracking
Formatting
Crashing
Allotting
RATS stand for
Regression Analysis Time Series
Regression Analysis Time Sharing
Real Analysis Series
All of above
Storage capacity of magnetic disk depends on
tracks per inch of surface
bits per inch of tracks
disk pack in disk surface
All of above
Which of the following is not a third generation computer?
IBM 360
IBM 1401
PDP-8
HP2115
Properly arranged data is called
Field
Words
Information
File
Who is the inventor of Difference Engine�?
Allen Turing
Charles Babbage
Simur Cray
Augusta Adaming
The digital computer was developed primarily in
USSR
Japan
USA
UK
Which of the following processors use RISC technology?
486dx
Power PC
486sx
6340
What is required when more than one person uses a central computer at the same time?
Light pen
Mouse
Digitizer
Terminal
A kind of scanner MICR is the short form of
Magnetic Ink Character Reader
Magnetic Ink Code Reader
Magnetic Ink Cases Reader
None
CD-ROM is a
Semiconductor memory
Memory register
Magnetic memory
None of above
A device designed to read information encoded into a small plastic card is
Magnetic tape
Badge reader
Tape puncher
Card puncher
To move a copy of file from one computer to another over a communication channel is called?
File transfer
File encryption
File modification
File copying
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
A device invented by Dr. Bobeck in 1966, for mass storage of data is
Punched paper tape
Magnetic bubble storage
Magnetic tape
Magnetic disk
Analog computer works on the supply of
Continuous electrical pulses
Electrical pulses but not continuous
Magnetic strength
None of the above
Personal computers use a number of chips mounted on a main circuit board. What is the common name for such boards?
Daughter board
Motherboard
Father board
Breadboard
A compiler is a translating program which
Translates instruction of a high level language into machine language
Translates entire source program into machine language program
It is not involved in programs execution
All of above
The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
Data collection terminal
OCR register terminal
Video Display terminal
POS terminal
The octal equivalence of 111010 is
81
72
71
None of above
Which of the following is used as a primary storage device?
Magnetic drum
Hard Disks
All of above
Floppy
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
In 1999, the Melissa virus was a widely publicised:
E-mail virus.
Macro virus.
Trojan horse.
Time bomb.
People often call ______ as the brain of computer system
Control Unit
Arithmetic Logic Unit
Central Processing Unit
Storage Unit
Artificial Intelligence is associated with which generation?
First Generation
Second Generation
Fifth Generation
Sixth Generation
Floppy disks are available in
Single side single density
Single side double density
Both of above
None of above
What does DMA stand for?
Distinct Memory Access
Direct Memory Access
Direct Module Access
Direct Memory Allocation
What is the date when Babbage conceived Analytical engine
1850
1880
1642
1837
Which of the following is not an electronic computer?
ENIAC
ABC
UNIVAC
EDVAC