Who built the first Mechanical Calculator?
Joseph Marie Jacquard
John Mauchly
Blaise Pascal
Howard Aiken
Correct Answer :
C. Blaise Pascal
Related Questions
Where are data and programme stored when the processor uses them?
Main memory
Secondary memory
Disk memory
Programme memory
RAM is used as a short memory because it is
Volatile
Has small capacity
Is very expensive
Is programmable
The digital computer was developed primarily in
USSR
Japan
USA
UK
ABC is a
Special purpose computer
General purpose computer
All Purpose Computer
None of above
A computer consists of
A central processing unit
A memory
Input and output unit
All of the above
High density double sided floppy disks could store _____ of data
1.40 GB
1.44 MB
1.40 MB
1.44 GB
By programmable machine we mean
computers
modern television
washing machines
anything that can be set to perform different tasks with suitable programs
Which of the following is not computer language?
High level language
Medium level language
Low level language
All of the above
In which year was chip used inside the computer for the first time?
1964
1975
1999
1944
What was the main disadvantage of vacuum tubes?
They were larger in size
They consumed a lot of electricity
They produced heat and often burned out
The operation cost was high
A modem is connected to
a telephone line
a keyboard
a printer
a monitor
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
Help Menu is available at which button?
End
Start
Turnoff
Restart
In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single board. What is the name of this board?
Motherboard
Breadboard
Daughter board
Grandmother board
CD-ROM is a
Semiconductor memory
Memory register
Magnetic memory
None of above
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
Machine language is
Machine dependent
Difficult to program
Error prone
All of above
Operating system, editors, and debuggers comes under?
System Software
Application Software
Utilities
None of the above
What was the name of the first commercially available microprocessor chip?
Intel 308
Intel 33
Intel 4004
Motorola 639
When was vacuum tube invented?
1900
1906
1910
1880
Which device is used as the standard pointing device in a Graphical User Environment?
Keyboard
Mouse
Joystick
Track ball
A typical personal computer used for business purposes would have of RAM.
4 KB
16 K
64 K
256 K
A computer can solve more than one kind of problem. This is related to which of the following characteristics?
Accuracy
Reliability
Versatility
Automatic
Which of the following machine was not invented by Charles Babbage?
Tabulating Machine
Analytical Engine
Difference Engine
Both C and D
A device designed to read information encoded into a small plastic card is
Magnetic tape
Badge reader
Tape puncher
Card puncher
Computers with 80286 microprocessor is
XT computer
AT computers
PS/2 computer
None of above
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
Which of the following is a class of computers based on model?
Digital Computer
Hybrid Computers
Analog Computers
AT Computers
Punched cards were first introduced by
Powers
Pascal
Jacquard
Herman Hollerith
RAM is also called as
Read / Write Memory
Long Memory
Permanent Memory
Primary Memory