Basic Computer

Q: Which of the following is the largest manufacturer of Hard Disk Drives

(a) :  IBM                                         
(b) :  Seagate
(c) :  Microsoft                              
(d) :  3M
(e) :  none
Answer:  Seagate
Explanation:  

Q: Modulator-demodulator is a device that converts

(a) :  Digital signal into analog signal
(b) :  Analog signal into digital signal
(c) :  Both A and B
(d) :  None of the above
(e) :  none
Answer:  Both A and B
Explanation:  

Q: What is the capacity of a 3.5” Floppy Disk

(a) :  360KB
(b) :  720KB
(c) :  1.44MB
(d) :  1.2MB 
(e) :  none
Answer:  1.44MB
Explanation:  

Q: From what location are the 1st computer instructions available on boot up?

(a) :  ROM BIOS
(b) :  CPU
(c) :  boot.ini
(d) :  CONFIG.SYS
(e) :  none
Answer:  ROM BIOS
Explanation:  

Q: The 2's complement of a binary no. is obtained by adding.....to its 1's complement

(a) :  10
(b) :  0 
(c) :  1
(d) :  12
(e) :  none
Answer:  1
Explanation:  

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