A computer consists of
A central processing unit
A memory
Input and output unit
All of the above
Correct Answer :
D. All of the above
Related Questions
The first general purpose electronic computer in the world was
UNIVAC
EDVAC
ENIAC
All of above
When was the X window system born?
1984
1989
1988
1990
Machine language is
Machine dependent
Difficult to program
Error prone
All of above
Which of the following is first generation of computer?
EDSAC
IBM-1401
CDC-1604
ICL-2900
Which of the following memories must be refreshed many times per second?
Static RAM
Dynamic RAM
EPROM
ROM
Which of the following does not affect the resolution of a video display image?
Bandwidth
Raster scan rage
Vertical and horizontal lines of resolution
Screen size
________ represents raw facts, where-as________ is data made meaningful.
Information, reporting
Data, information
Information, bits
Records, bytes
Which of the following is NOT one of the four major data processing functions of a computer?
gathering data
processing data into information
analysing the data or information
storing the data or information
An application suitable for sequential processing is
Processing of grades
Payroll processing
Both a and b
All of above
How was the generation of computer classified?
By the device used in memory & processor
By the speed of computer
By the model of the computer
By the accuracy of computer
Who is the father of personal computer?
Edward Robert
Allen Turing
Charles Babbage
None of these
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 number system that has eight different symbols to represent any quantity is known as
Binary
Octal
Decimal
Hexadecimal
Identify the correct statement
IBM PCs used RISC CPU designs
Macintosh used CISC CPU design
IBM used CISC CPU design
None of above is true
The ALU of a computer responds to the commands coming from
Control section
Primary memory
External memory
Cache memory
Which one of the following input device is user- programmable?
Dumb terminal
Smart terminal
VDT
Intelligent terminal
To produce high quality graphics (hardcopy) in color, you would want to use a/n
RGB monitor
Plotter
Ink-jet printer
Laser printer
1 nibble equals to
1 bits
2 bits
4 bits
8 bits
The first digital computer built with IC chips was known as
IBM 7090
Apple ? 1
IBM System / 360
VAX-10
Computers manipulate data in many ways, and this manipulation is called________
upgrading
processing
batching
utilizing
Why are vacuum tubes also called valves?
Because they can amplify the weak signals and make them strong
Because they can stop or allow the flow of current
Both of above
None of above
Which of the following is not a storage medium?
Hard disk
Flash drive
DVD
scanner
The BIOS is the abbreviation of .
Basic Input Output System
Best Input Output System
Basic Input Output Symbol
Base Input Output System
Is an OOP principle
Structured programming
Procedural programming
Inheritance
Linking
The system unit of a personal computer typically contains all of the following except:
Microprocessor
Disk controller
Serial interface
Modem
You use a(n) ________, such as a keyboard or mouse, to input information
output device
input device
storage device
processing device
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
What is the most common tool used to restrict access to a computer system?
User logins
Passwords
Computer keys
Access-control software
John Napier invented Logarithm in
1614
1617
1620
None of above
Which of the following is not purely output device?
Screen
Printer
Speaker
Plotter