When was the first electro-mechanical computer developed?
1880
1990
1944
None of above
Correct Answer :
C. 1944
Related Questions
Floppy disks which are made from flexible plastic material are also called?
Hard disks
High-density disks
Diskettes
Templates
Which of the following is the most quickly accessible storage?
RAM
Registers
Disks
Pen Drive
A hybrid computer
Resembles digital computer
Resembles analogue computer
Resembles both a digital and analogue computer
None of the above
The ALU of a computer responds to the commands coming from
Primary memory
Control section
External memory
Cache memory
Instruction in computer languages consists of
OPCODE
OPERAND
Both of above
None of above
Who invented Analytical engine?
Blaise Pascal
George Bool
Charles Babbage
Dr. Herman Hollerith
Which was the computer conceived by Babbage?
Analytical engine
Arithmetic machine
Donald Knuth
All of above
Regarding data, computers are very good at
store
Processing
retrieve
All of above
The difference between memory and storage is that memory is ______ and storage is
Temporary, permanent
Permanent, temporary
Slow, fast
All of above
A set of flip flops integrated together is called ____
Counter
Adder
Register
None of the above
Which of the following is not an input device?
OCR
Optical scanners
COM (Computer Output to Microfilm)
Voice recognition device
The brain of any computer system is
Control Unit
Arithmetic Logic Unit
Central Processing Unit
Storage Unit
The BIOS is the abbreviation of ________.
Basic Input Output System
Best Input Output System
Basic Input Output Symbol
Base Input Output System
The full form of ALU is
Arithmetic Logic Unit
Array Logic Unit
Application Logic Unit
None of above
WAN stands for
Wap Area Network
Wide Area Network
Wide Array Net
Wireless Area Network
In which year was chip used inside the computer for the first time?
1964
1975
1999
1944
A program component that allows structuring of a program in an unusual way is known as
Correlation
Coroutine
Diagonalization
Quene
What is required when more than one person uses a central computer at the same time?
Light pen
Mouse
Digitizer
Terminal
Which of the following terms is the most closely related to main memory?
Non volatile
Permanent
Control unit
Temporary
________ Is the appearance of typed characters?
Size
Format
Point
Colour
IBM 7000 digital computer
Belongs to second generation
Uses VLSI
Employs semiconductor memory
Has modular constructions
1 nibble equals to
1 bits
2 bits
4 bits
8 bits
What is the name of the computer terminal which gives paper printout?
Display screen
Soft copy terminal
Hard copy terminal
Plotter
ASCII and EBCDIC are the popular character coding systems.What does EBCDIC stand 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
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
MSI stands for
Medium Scale Integrated Circuits
Medium System Integrated Circuits
Medium Scale Intelligent Circuit
Medium System Intelligent Circuit
All of the following are examples of real security and privacy risks EXCEPT
hackers
Spam
Viruses
identity theft
The ability to recover and read deleted or damaged files from a criminal's computer is an example of a law enforcement speciality called:
robotics
simulation
computer forensics
animation
A technique used by codes to convert an analog signal into a digital bit stream is known as
Pulse code modulation
Pulse stretcher
Query processing
Queue management
Which of the following memories needs refreshing?
SRAM
DRAM
ROM
All of above