Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and find square roots?
Napier
Babbage
Pascal
Leibniz
Correct Answer :
D. Leibniz
Related Questions
A computer program that translates one program instructions at a time into machine language is called a/an
Interpreter
CPU
Compiler
Simulator
What type of virus uses computer hosts to reproduce itself?
Time bomb
Worm
Melissa virus
Macro virus
Floppy disks typically in diameter
3
5.25
8
All of above
_________ translates and executes program at run time line by line
Compiler
Interpreter
Linker
Loader
Which one is the largest space?
kilobyte
petabyte
terrabyte
gigabyte
The first generation of computers available was based on the bit micro processors.
4
8
16
64
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 an electronic computer?
ENIAC
ABC
UNIVAC
EDVAC
The device used to carry digital data on analogue lines is called as
Modem
Multiplexer
Modulator
Demodulator
The average time necessary for the correct sector of a disk to arrive at the read write head is _____
Down time
Seek time
Rotational delay
Access time
A device designed to read information encoded into a small plastic card is
Magnetic tape
Badge reader
Tape puncher
Card puncher
Todays computer giant IBM was earlier known by different name which was changes in 1924. What was that name?
Tabulator Machine Co.
The Tabulator Ltd.
Computing Tabulating Recording Co.
International Computer Ltd.
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 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
You organize files by storing them in
archives
folders
indexes
lists
Which of the following is a storage device?
Tape
Hard Disk
Floppy Disk
All of the above
The personal computer industry was started by
IBM
Apple
Compaq
HCL
In which year was chip used inside the computer for the first time?
1964
1975
1999
1944
How many types of storage loops exists in magnetic bubble memory
8
4
16
2
IBM System/360 is
Mainframe Computer
Mini Computers
Micro Computers
None of above
What is the date when Babbage conceived Analytical engine
1642
1837
1880
1850
The device that can both feed data into and accept data from a computer is
ALU
CPU
Input-Output device
All of the above
When was Apple Macintosh II microcomputer introduced in the market?
1964
1970
1983
1986
Following IC chip integrates 100 thousands electronic components per chip
SSI
MSI
LSI
VLSI
An error in software or hardware is called a bug. What is the alternative computer jargon for it?
Leech
Squid
Slug
Glitch
The computer abbreviation KB usually means
Key Block
Kernel Boot
Kilo Byte
Kit Bit
Which of the following have the fastest access time?
Semiconductor Memories
Magnetic Disks
Magnetic Tapes
Compact Disks
Which is the first electronic digital computer?
ENIAC
MARK I
Z3
ABC
Which of the following is not a valid size of a Floppy Disk?
8?
5 ¼?
3 ½?
5 ½?
BCD is
Binary Coded Decimal
Bit Coded Decimal
Binary Coded Digit
Bit Coded Digit