Which of the following is associated with error detector?
Odd parity bit
Even parity bit
Both of the above
None of above
Correct Answer :
C. Both of the above
Related Questions
The amount of vertical space between lines of text in a document is called
double-space
line spacing
single space
vertical spacing
In a punched card system, data is processed by a
Keypunch machine, sorter and posting machine
Accounting machine, posting machine, and billing machine
Sorter, posting machine, and billing machine
Accounting machine, keypunch machine and sorter
Most of the first generation computers were
Special purpose computers
General purpose computers
Both of above
None of above
How many types of storage loops exists in magnetic bubble memory
8
4
16
2
Second Generation computers were developed during
1949 to 1955
1956 to 1965
1965 to 1970
1970 to 1990
Touch Screen is________
Input device
Output device
Both a & b above
None of these
Which of the following is not true for a magnetic disk?
It is expensive relative to magnetic tape
It provides only sequential access to stored data
Users can easily update records by writing over the old data
All of above
Web cam is an
input unit device
output unit device
processing device
Input and Output device
Personnel who design, program, operate and maintain computer equipment refers to
Console-operator
Programmer
Peopleware
System Analyst
A computer program that converts an entire program into machine language is called a/an
Interpreter
Simulator
Compiler
Commander
Which company is the biggest player in the microprocessor industry?
Motorola
IBM
Intel
AMD
What is the most common tool used to restrict access to a computer system?
User logins
Passwords
Computer keys
Access-control software
SMPS stands for
Switched mode Power Supply
Start mode power supply
Store mode power supply
Single mode power supply
You use a(n) ________, such as a keyboard or mouse, to input information
output device
input device
storage device
processing device
What characteristic of read-only memory (ROM) makes it useful?
ROM information can be easily updated
Data in ROM is non-volatile, that is, it remains there even without electrical power.
ROM provides very large amounts of inexpensive data storage.
ROM chips are easily swapped between different brands of computers.
Mnemonic a memory trick is used in which of the following language?
Machine language
Assembly language
High level language
None of above
Current SIMMs have either or connectors (pins)
9 or 32
30 or 70
28 or 72
30 or 72
The time for which a piece of equipment operates is called
Seek time
Effective time
Access time
Real time
A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is
Touch panel
Mouse
Wand
Writing tablet
A computer has very low failure rate because it uses electronic components. It produces very consistent results. This is highlighted by which of the feature of computer?
Accuracy
Reliability
Versatility
Automatic
Offline device is
A device which is not connected to CPU
A device which is connected to CPU
A direct access storage device
An I/O device
What type of resource is most likely to be a shared common resource in a computer Network?
Printers
Speakers
Floppy disk drives
Keyboards
In 1830, Charles Babbage designed a machine called the Analytical Engine which he showed at the Paris Exhibition. In which year was it exhibition?
1820
1860
1855
1870
What is a light pen?
Mechanical Input device
Optical input device
Electronic input device
Optical output device
A storage system for small amounts of data is
Magnetic card
Magnetic tape
Punched card
Optical mark reader
The term referring to evacuating the content of some part of the machine is known as
Dump
Enhancement
Down
Compiler
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
From which generation computers the printers were used?
first
second
third
fourth
An application program that helps the user to change any number and immediately see the result of that change is
Desktop publishing program
Database
Spreadsheet
All of above
It was in 2028 BS the was brought in to calculate census datA.
IBM 1400
IBM 1401
ICL 2950
None of above