Now you can Find Computer hardware Multiple Choice Questions for Any Competitive Exam,Interview and for any Examination at Studyhelpzone.com
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
Answer
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
Answer
3. Properly arranged data is called
A) Field
B) Words
C) Information
D) File
Answer
4. A computer consists of
A) A central processing unit
B) A memory
C) Input and output unit
D) All of the above
Answer
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
Answer
6. John Napier invented Logarithm in
A) 1614
B) 1617
C) 1620
D) None of above
Answer
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
Answer
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
Answer
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
Answer
10. Which of the following is used as a primary storage device?
A) Magnetic drum
B) Hard Disks
C) Floppy
D) All of above
Answer
