1. 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
E) None of these
2. 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
E) None of these
3. Properly arranged data is called
A) Field
B) Words
C) Information
D) File
E) None of these
4. A computer consists of
A) A central processing unit
B) A memory
C) Input and output unit
D) All of the above
E) None of these
5. 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
E) A and B
6. John Napier invented Logarithm in
A) 1614
B) 1617
C) 1620
D) 1750
E) None of these
7. 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
E) None of these
8. 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
E) None of these
9. 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
E) None of these
10. Which of the following is used as a primary storage device?
A) Magnetic drum
B) Hard Disks
C) Floppy
D) All of above
E) None of these
Answer
1-C 2-B 3-C 4-D 5-B 6-A 7-D 8-C 9-A 10-A
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MAHENDRA GURU