Which of the following helps to protect floppy disks from data getting accidentally erased?
Access notch
Write-protect notch
Entry notch
Input notch
Correct Answer :
B. Write-protect notch
Related Questions
You organize files by storing them in
archives
folders
indexes
lists
Access time is
seek time + latency time
seek time
seek time ? latency time
latency time
A modern electronic computer is a machine that is meant for
Doing quick mathematical calculations
Input, storage, manipulation and outputting of data
Electronic data processing
Performing repetitive tasks accurately
John Napier invented Logarithm in
1614
1617
1620
None of above
Which is a semi conductor memory?
Dynamic
Static
Bubble
Both a & b
Which of the following was a special purpose computer?
ABC
ENIAC
EDVAC
All of the above
Which of the following code used in present day computing was developed by IBM Corporation?
ASCII
Hollerith Code
Baudot Code
EBCDIC Code
In a computer _____ is capable to store single binary bit.
Capacitor
Flip flop
Register
Inductor
MICR stands for
Magnetic Ink Character Reader
Magnetic Ink Code Reader
Magnetic Ink Cases Reader
None
Networking such as LAN, MAN started from
First generation
Second generation
Third generation
Fourth generation
Which of the following is not an input device?
OCR
Optical scanners
COM (Computer Output to Microfilm)
Voice recognition device
A name or number used to identify storage location devices?
A byte
A record
An address
All of above
Which is another name for functional language?
Machine
Application language
Low-level language
High-level language
Which of the following statement is false?
Mechanical analog computers have existed for thousands of years
There are mechanical analog computers and electronic analog computers.
All electronic computers are digital computers
All of above are false
Serial access memories are useful in applications where
Data consists of numbers
Short access time is required
Each stored word is processed differently
Data naturally needs to flow in and out in serial form
The output quality of a printer is measured by
Dots per inch
Dot per sq. inch
Dots printed per unit time
All of above
Which network is a packet switching network?
Ring network
LAN
Star network
EuroNET
Second Generation computers were developed during
1949 to 1955
1956 to 1965
1965 to 1970
1970 to 1990
ASCII stands for
American Stable Code for International Interchange
American Standard Case for Institutional Interchange
American Standard Code for Information Interchange
American Standard Code for Interchange Information
What is an interpreter?
An interpreter does the conversion line by line as the program is run
An interpreter is the representation of the system being designed
An interpreter is a general purpose language providing very efficient execution
None of the above
A song being played on computer speaker is
hard output
soft output
both hard and soft output
neither hard nor soft output
The Second Generation Computer was based on ________.
Vacuum Tube
Silicon Chips
Transistor
Bio Chips
A modern digital computer has
Extremely high speed
Large memory
Almost unlimited array
All of the above
Which of the following is not an XT microprocessor?
8006
8086
8088
None of above
WAN stands for
Wap Area Network
Wide Area Network
Wide Array Net
Wireless Area Network
Which of the following is not a binary number?
1
101
202
110
________ Is the functional key to display Save-As box.
F5
F6
F9
F12
When was the world's first laptop computer introduced in the market and by whom?
Hewlett-Packard
Epson, 1981
Laplink traveling software In1982
Tandy model-2000, 1985
One computer that is not considered a portable is
Minicomputer
Laptop computer
Notebook computer
All of above
The commonly used standard data code to represent alphabetical, numerical and punctuation characters used in electronic data processing system is called
ASCII
EBCDIC
BCD
All of above