The SRC uses a hazard detection unit. The hazard can be resolved using either pipeline stalls or by ____________.

• A) Data compressing
• B) Data forwarding
• C) Instruction forwarding
• D) Instruction handling

From an n bit control word we may have __________ bit signal values.

• A) 2xn
• B) 2^n
• C) n^2
• D) nxn

Every interrupt handler has an interrupt return (IRET) instruction, this instruction is an example of ___________ return.

• A) FAR
• B) SHORT
• C) NEAR
• D) RELATIVE

-------------- is the time needed by the CPU to recognize (not service) an interrupt request.

• A) Response Deadline
• B) Throughput
• C) Interrupt Latency
• D) Timer delay

How can you define an interrupt?

• A) A process where an external device can speedup the working of the microprocessor
• B) A process where memory can speed up programs execution speed
• C) A process where input devices can takeover the working of the microprocessor
• D) A process where an external device can get the attention of the microprocessor

Most parallel I/O ports used with peripheral devices are mapped on a range of______________.

• A) Bus addresses
• B) contiguous addresses
• C) Cache
• D) Direct memory Access

Identify the following type of serial communication error condition in which no character is available at the beginning of an interval.

• A) Under-run error
• B) Framing error
• C) Overrun error
• D) Parity error

______ is an electrical pathway through which the processor communicates with the internal and external devices attached to the computer.

• A) Computer Bus
• B) Hazard
• C) Disk
• D) Memory

___________ signal is used in printer with DB-25 interface to reset its controller.

• A) #SLCT
• B) #PE
• C) #INIT
• D) #STROB

At the start of the transfer operation in synchronous communication, the master activates the _________ signal.

• A) Read
• B) Enable
• C) Acknowledge
• D) Data

In 8086/8088 processor, interrupt vector table is located at the memory location ___________.

• A) 1024
• B) 0
• C) 4
• D) 256

Identify the following type of serial communication error condition:
“The prior character that was received was not still read by the CPU and is over written by a new received character.”

• A) Under-run error
• B) Parity error
• C) Overrun error
• D) Framing error

Pipeline hazard occurs when an instruction depends on the result of ___________ instruction that is not yet complete.

• A) ongoing
• B) next
• C) previous
• D) first

To set the value of micro-PC from external address, the value of 4 to 1 multiplexer is ______________.

• A) 10
• B) 00
• C) 01
• D) 11

A parallel port can be considered to be a big ___________ gate.

• A) NOR
• B) NOR
• C) AND
• D) OR

In the little-endian format exchanging data between computers, the data transmitted by one will be received in a “swapped” form by the other.

• A) Swapped
• B) Arranged
• C) Signals
• D) Organized

The multiplexer___________ is used to decide which value is transferred to be written back to the register file.

• A) MP5
• B) MP3
• C) MP2
• D) MP4

In a printer with DB-25 interface, ___________ signal is is better for edge triggered systems.

• A) ACKNLG#
• B) BUSY#
• C) STROB#
• D) PE#

The Pentium does allow the use of some part of its _____ accumulator register EAX

• A) 64 bits
• B) 8 bits
• C) 32 bits
• D) 16 bits

Which of the followings is not an example of super-scalar processors?

• A) DEC Alpha 21164
• B) Intel P6
• C) IAPX88
• D) PowerPC 601