91. A ROM is used to store the table for multiplication of two 8-bit unsigned integers. The size of ROM required is
    

1. 1. 256 × 16

   
   
   

   2. 16K × 8

   
   
   

   3. 4K × 16

   
   
   

   4. 64K × 16

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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92. Number of machine cycles required for RET instruction in 8085 microprocessor is
    

1. 1. 1

   
   
   

   2. 2

   
   
   

   3. 3

   
   
   

   4. 5

   
   
   

   5. 7

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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93. An instruction used to set the carry flag in a computer can be classified as
    

1. 1. data transfer

   
   
   

   2. arithmetic

   
   
   

   3. logical

   
   
   

   4. program control

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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94. In an 8085 microprocesser system, the RST instruction will cause an interrupt

1. 1. only if an interrupt service routine is not being executed

   
   
   

   2. only if a bit in the interrupt mask is made 0

   
   
   

   3. only if interrupts have been enabled by an EI instruction

   
   
   

   4. none of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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95. An I/O processor control the flow of information between
    

1. 1. cache memory and I/O devices

   
   
   

   2. main memory and I/O devices

   
   
   

   3. two I/O devices

   
   
   

   4. cache and main memories

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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