Computer-One Liners

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Computer-One Liners


 

 

1- What is the minimum number of operations required, for a microprocessor with 8 data pins, to read a 32-bit word?-Ans- 4


 

2- A 32 bits microprocessor has the word length equal to 4 bytes


 

3-The stack pointer in the 8085 microprocessor is a 16-bit register that point to stack memory locations

8085 microprocessor
8085 microprocessor

 

 

 

 

 


 

4-The flow and timing of data to and from the microprocessor is regulated by control pins


 

5-In a generic microprocessor, instruction cycle time is larger than machine cycle time


 

6-SN 7410 IC is a Triple 3 input NAND gate


 

7- How many I/O ports can be accessed by memory mapped method? Ans-32 k


 

8- joystick device is used for entering x – y coordinates.

 joystick
joystick

 

 

 

 

 


 

9-  Linkage between CPU and users is provided by peripheral devices


 

10- OMR is widely used in academic testing.


 

11-In what storage device, recording is done by burning tiny pits on a circular disk?-optical disk

 

optical disk
optical disk

 

 


 

12-The computer code for the interchange of information between terminals is ASCII


 

13-A temporary storage area, attached to the CPU for I/O operations is a buffer


 

14-Josephson tunneling device illustrates principles associated with the advanced storage technique holographing.


 

15- Punched cards use Hollerith code


 

16-What input device uses switch contacts placed under a plastic pad which may be inscribed with symbols?-touch pad

touch pad
touch pad

 

 

 

 


 

17-Large computer system typically uses line printers


 

18-The terminal device that functions as a cash register computer terminal and OCR reader is data collection terminal


 

19-The technique designed to support the effective access of microfilmed data is micrographics.


 

20- An impact printer that uses an interchangeable, rotating printing unit for hard copy output is daisy wheel printer.


 

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