Q. When was the world’s first laptop computer introduced in the market and by whom?
A) Hewlett-Packard, 1980
B) Osborne – 1, 1981
C) Laplink Traveling Software Inc, 1982
D) Tandy Model-200, 1985
Ans : B ( Osborne – 1, 1981)
Q. From which generation operating systems were developed?
A) First
B) Second
C) Third
D) Fourth
Ans : C ( Third)
Q. The first firm to mass-market a microcomputer as a personal computer was
A) IBM
B) Super UNIVAC
C) Radio Shaks
D) Data General Corporation
Ans : C ( Radio Shaks )
Q. How many address lines are needed to address each machine location in a 2048 x 4 memory chip?
A) 10
B) 11
C) 8
D) 12
Ans : B ( 11 )
Q. Properly arranged data is called
A) Field
B) Words
C) Information
D) File
Ans : C ( Information )
Q. A computer consists of
A) A central processing unit
B) A memory
C) Input and output unit
D) All of the above
Ans : D ( All of above )
Q. Why are vacuum tubes also called valves?
A) Because they can amplify the weak signals and make them strong
B) Because they can stop or allow the flow of current
C) Both of above
D) None of above
Ans : B ( Because they can amplify the weak signals and make them strong )
Q. John Napier invented Logarithm in
A) 1614
B) 1617
C) 1620
D) None of above
Ans : A ( 1614 )
Q. An integrated circuit is
A) A complicated circuit
B) An integrating device
C) Much costlier than a single transistor
D) Fabricated on a tiny silicon chip
Ans : D ( Fabricated on a tiny silicon chip )
Q. What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
A) Bus control
B) Interrupts
C) Bus arbitration
D) Status
Ans : C ( Bus arbitration )
Q. Where as a computer mouse moves over the table surface, the trackball is
A) Stationary
B) Difficult to move
C) Dragged
D) Moved in small steps
Ans : A ( Stationary )
Q. Which of the following is used as a primary storage device?
A) Magnetic drum
B) Hard Disks
C) Floppy
D) All of above
Ans : A (Magnetic drum )
Q. Multi user systems provided cost savings for small business because they use a single processing unit to link several
A) Personal computers
B) Workstations
C) Dumb terminals
D) Mainframes
Ans : C ( Dumb terminals )
Q. What are the three decisions making operations performed by the ALU of a computer?
A) Grater than
B) Less than
C) Equal to
D) All of the above
Ans : D (All of above)
Q. The word processing task associated with changing the appearance of a document is
A) Editing
B) Writing
C) Formatting
D) All of above
Ans : C ( Formatting )
Q. Nepal brought a computer for census of 2028 BS. This computer was of
A) first generation
B) second generation
C) third generation
D) fourth generation
Ans : B (Second generation )
Q. Algorithm and Flow chart help us to
A) Know the memory capacity
B) Identify the base of a number system
C) Direct the output to a printer
D) Specify the problem completely and clearly
Ans : D ( Specify the problem completely and clearly )
Q. Which statement is valid about computer program?
A) It is understood by a computer
B) It is understood by programmer
C) It is understood user
D) Both a & b
Ans : D ( Both a & b )
Q. The difference between memory and storage is that memory is and storage is
A) Temporary, permanent
B) Permanent, temporary
C) Slow, fast
D) All of above
Ans : A (Temporary, permanent)
Q. When was Pascaline invented?
A) 1617
B) 1620
C) 1642
D) 1837
Ans : C ( 1642 )