Quiz 2 Flashcards
80286 microprocessor is very similar to 8086 and 8088 except that it can access ___ of memory.
16 MB
Answer: 16 MB
This is a group of lines that has a related function within a microprocessor system.
System bus
Answer: System bus
This register works very closely with the instruction decoder of the control unit and stores all instructions coming from the data bus.
Instruction register
Answer: Instruction register
First chip developed by Intel:
Intel 4004
Answer: Intel 4004
Memory is sometimes accessed, I/O devices are used to display the result of the instruction execution.
Execute
Answer: Execute
Intel CPUs are also called ___ computers, while Motorola processors are called ___ computers.
little endian; big endian
Answer: little endian; big endian
The project that produced the first microprocessor originated in 1969 and was conceptualized by the company:
BUSICOM
Answer: BUSICOM
Robert Noyce and Gordon Moore were the co-founders of:
Intel
Answer: Intel
A doubleword number, 12345678H, is to be stored into memory using big endian format starting at memory location 00100H. What would be the content of memory location 00103H?
78
Answer: 78
A Trap Flag enables trapping through an on-chip debugging feature. IfT= ___, it will debug. IfT=___, it will not debug.
1, 0
Answer: 1, 0
The world’s first 8-bit microprocessor.
8008
Answer: 8008
The parity flag was used early Intel microprocessors for error detection of transmitted data. PF = ___ is logic for odd parity and __ a logic for even parity
0, 1
Answer: 0, 1
The most basic but complete microprocessor-based computer would consist of:
CPU, memory, I/O, system bus
Answer: CPU, memory,I /O, system bus
Its function is for floating point, graphics, signal or string processing, and even encryption.
Coprocessor
Answer: Coprocessor
Which is not a word-sized register?
EIP
Answer: EIP
True or False?
There were already commercial computers developed and sold even before the IC was invented.
True
Which among the flags selects either the increment or decrement mode for the Dl and/or Sl registers during string operations?
Direction Flag
These are signals that indicate need of attention, perform special task and resume the pre-empted operation
Interrupt
This element serves as a medium of communication between the processor and the outside world
I/O port
This element is the one responsible in monitoring the bus operation
Watchdog monitor
The invention of Integrated Circuit (IC) was credited to:
Jack Kilby
Jack Kilby is credited with the invention of the Integrated Circuit (IC).
Given the initial statuses of FLAGS - OF=0; IF=1; ZF=0; AF=0; PF=? and CF=0 and that AL=FF and BL=01. Simulate the following instructions to determine the final statuses of the FLAGS: ADD AL, BL
OF=0; IF=0; ZF=0; AF=1; PF=0; CF=0
It is a temporary storage of information inside the CPU:
Register
Given the initial statuses of FLAGS - OF=0; ZF=1; AF=0; PF=1 and CF=0and that AL=1F and BL=F1. Simulate the following instructions to determine the final statuses of the FLAGS: ADD AL, BL
OF=1; ZF=1; AF=1; PF=1; CF=1
