Top 350+ Solved Important Computer MCQs For Competitive Exams part 2 MCQ Questions Answer
Q. What type of device is a keyboard?
a. Black
b. Input
c. Output
d. Word processing
e. None of these
Q. Arithmetic operations
a. involve matching one data item to another to determine if the first item is greater than, equal to or less than the other item.
b. sort data items according to standard, predefined criteria in ascending or descending order.
c. use conditions with operators such as AND, OR and NOT.
d. include addition, subtraction, multiplication and division.
e. None of these
Q. Which part of the computer helps to store information?
a. Disk drive
b. Keyboard
c. Monitor
d. Printer
e. None of these
Q. Which of the following is the default mask of a class A IP address?
a. 255.0.0.255
b. 255.255.0.0
c. 255.0.0.0
d. 255.255.255.0
e. None of these
Q. What is Internet ?
a. A new type of cabling system for Wide Area Networks
b. A second local area network that can connect with another online LAN to share access
c. A new standard for Internet browsers
d. An association to develop advanced Internet technology
e. None of these
Q. To drop a column that is used as a foreign key, first
a. drop the primary key.
b. drop the table.
c. drop the foreign key constraint.
d. All the above
e. None of these
Q. The name given to a document by user is called
a. Filename
b. Program
c. Data
d. Record
e. None of these
Q. ________ is a procedure that requires users to enter an identification code and a matching password.
a. Paging
b. Logging on
c. Time sharing
d. Multitasking
e. None of these
Q. Which device is used as the standard pointing device in a Graphical User Environment?
a. Keyboard
b. Mouse
c. Joystick
d. Track ball
e. None of these
Q. In modems data transfer rate is measured in
a. bandwidth
b. bits per second
c. bits per minute
d. All the above
e. None of these
Q. The output of a 2 input and gate is 1 only when its
a. either input is 1
b. both inputs one 0
c. both inputs are 1
d. either input is 0
e. None of these
Q. ________ printer is a character-at-a time printer.
a. Line
b. Chain
c. Band
d. Daisywheel
e. Drum
Q. A ________ code is used in retail stores to identify merchandise.
a. mnemonics
b. gray code
c. machine code
d. universal product code
e. access-3 code