Top 1000+ Solved Important Computer MCQs For Competitive Exams part-1 MCQ Questions Answer
Q. Which of the following best describes the term data processing?
a. The collection of information or data
b. The distribution of information or data
c. The manipulation of information or data
d. The storage of information or data
e. None of these
Q. The original ASCII code used./. bits of each byte, reserving that last bit for error checking.
a. 5
b. 6
c. 7
d. 8
e. None of these
Q. Communication ports are found on the back of microcomputers. They are used to connect the computer to
a. printers
b. modems
c. other hardware
d. All of these
e. None of these
Q. What is a portion of memory that serves as a temporary repository for data as it waits for a given action?
a. Memory Pool
b. Cache
c. Processor
d. Processor pool
e. None of these
Q. What process prepares the magnetic surface of a disk by creating concentric circles, called tracks, around the disk? (Each track is further divided into pic-shaped sections called sectors?
a. Tracking
b. Formatting
c. Copying
d. Sectioning
e. None of these
Q. A six-digit card field used for postal ZIP codes is defined as
a. a letter field
b. an alphabetic field
c. a numeric field
d. an alphanumeric field
e. None of these
Q. What are the three decision-making operations performed by the ALU of a computer?
a. Greater than
b. Less than
c. Equal to
d. All of these
e. None of these
Q. Which part of the computer is used for calculating and comparing?
a. Disk unit
b. Control unit
c. ALU
d. Modem
e. None of these
Q. Can you tell what passes into and out from the computer via its ports?
a. Data
b. Bytes
c. Graphics
d. Pictures
e. None of these
Q. Which type of computers use the 8 bit code called EBCDIC?
a. Minicomputers
b. Microcomputers
c. Mainframe computers
d. Supercomputers
e. None of these
Q. Whereas a computer mouse moves over the table surface, the trackball is
a. stationary
b. difficult to move
c. dragged
d. moved in small steps
e. None of these
Q. Which one of the following input device is user-programmable?
a. Dumb terminal
b. Smart terminal
c. VDT
d. Intelligent terminal
e. None of these
Q. The checking operation performed on inputdata is called the
a. validation of data
b. verification of data
c. cross check
d. control of data
e. None of these
Q. The larger the RAM of a computer, the faster its processing speed is, since it eliminates
a. need for external memory
b. need of ROM
c. frequent disk I/Os
d. need for wider data path
e. None of these