Computer Organization Questions & Answers - Set 03 - ObjectiveBooks

Computer Organization Questions & Answers - Set 03

Practice Test: Question Set - 03

1. A micro-program sequencer
    (A) Generates the address of next micro instruction to be executed
    (B) Generates the control signals to execute a microinstruction
    (C) Sequentially averages all microinstructions in the control memory
    (D) Enables the efficient handling of a micro program subroutine

2. A binary digit is called a
    (A) Bit
    (B) Byte
    (C) Number
    (D) Character

3. A flip-flop is a binary cell capable of storing information of
    (A) One bit
    (B) Byte
    (C) Zero bit
    (D) Eight bit

4. The operation executed on data stored in registers is called
    (A) Macro-operation
    (B) Micro-operation
    (C) Bit-operation
    (D) Byte-operation

5. MRI indicates
    (A) Memory Reference Information
    (B) Memory Reference Instruction
    (C) Memory Registers Instruction
    (D) Memory Register information

6. Self-contained sequence of instructions that performs a given computational task is called
    (A) Function
    (B) Procedure
    (C) Subroutine
    (D) Routine

7. Microinstructions are stored in control memory groups, with each group specifying a
    (A) Routine
    (B) Subroutine
    (C) Vector
    (D) Address

8. An interface that provides a method for transferring binary information between internal storage and external devices is called
    (A) I/O interface
    (B) Input interface
    (C) Output interface
    (D) I/O bus

9. Status bit is also called
    (A) Binary bit
    (B) Flag bit
    (C) Signed bit
    (D) Unsigned bit

10. An address in main memory is called
    (A) Physical address
    (B) Logical address
    (C) Memory address
    (D) Word address

11. If the value V(x) of the target operand is contained in the address field itself, the addressing mode is
    (A) Immediate
    (B) Direct
    (C) Indirect
    (D) Implied

12. Can be represented in a signed magnitude format and in a 1’s complement format as
    (A) 111011 & 100100
    (B) 100100 & 111011
    (C) 011011 & 100100
    (D) 100100 & 011011

13. The instructions which copy information from one location to another either in the processor’s internal register set or in the external main memory is called
    (A) Data transfer instructions
    (B) Program control instructions
    (C) Input-output Instructions
    (D) Logical instructions

14. A device/circuit that goes through a predefined sequence of states upon the application of input pulses is called
    (A) Register
    (B) Flip-flop
    (C) Transistor
    (D) Counter

15. The performance of cache memory is frequently measured in terms of a quantity called
    (A) Miss ratio
    (B) Hit ratio
    (C) Latency ratio
    (D) Read ratio

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