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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