A burning in b configuration c internal decoding d

A.
burning in
B. configuration
C. internal decoding

D. addressing
8.
To reduce the number of pins on the IC package, manufacturers often use ___________.
A.
MOSFET architecture
B.
address
multiplexing
C. address decoding
D. address demultiplexing
9.
The periodic recharging of DRAM memory cells is called ___________.
A.
multiplexing B. bootstrapping
C.
refreshing
D. flashing
10.
________ is an example of read/write memory.
A.
PROM B. EEPROM
C.
RAM
D. MROM
Computer Hardware and Software
General Questions
1.
When referring to instruction words, a mnemonic is:
A.
a short abbreviation for the operand address
B.
a short abbreviation for the operation to be performed
C. a short abbreviation for the data word stored at the operand address
D. shorthand for machine language
2.
What is the difference between mnemonic codes and machine codes?
A.
There is no difference.
B.
Machine codes are in binary, mnemonic codes are in shorthand English.
C. Machine codes are in shorthand English, mnemonic codes are in binary.
D. Machine codes are in shorthand English, mnemonic codes are a high-level language.
3.
Which bus is bidirectional?
A.
data
bus
B. control bus
C. address bus
D. multiplexed bus
4.
The software used to drive microprocessor-based systems is called:
A.
assembly language
programs

B. firmware
C. BASIC interpreter instructions
D. flowchart instructions
5.
A microprocessor unit, a memory unit, and an input/output unit form a:
A.
CPU B. compiler
C.
microcompute
r
D. ALU
6.
How many buses are connected as part of the 8085 microprocessor?
A. 2 B.
3
C. 5 D. 8
7.
Which of the following is not a computer bus?
A.
data bus
B.
timer bus
C. control bus
D. address bus
8.
The technique of assigning a memory address to each I/O device in the SAM system is called:
A.
wired I/O
B. I/O mapping
C. dedicated I/O
D.
memory-mapped I/O
9.
How many bits are used in the data bus?
A.
7 B.
8
C. 9 D. 16
10.
A port can be:
A. strictly for input
B. strictly for output
C.
bidirectiona
l
D. all the above
11.
Which of the following is not a basic element within the microprocessor?
A.
microcontrolle
r
B. arithmetic-logic unit (ALU)

C. temporary register
D. accumulator
12.
How many bits are used in the address bus?
A.
7 B. 8
C. 9 D.
16
13.
Exceptions to the 8085 microprocessor normal operation are called:
A.
jump instructions
B. decoding
C. interrupts
D.
jump instructions or interrupts
True or False
.
It takes two memory locations (16 bits each) to store an address in the 8085 system.
A.
True B.
False
2.
A compiler is a translation program that converts high-level instructions into a set of binary instructions
(machine code) for execution.
A.
True
B. False
3.
The control bus and memories share a bidirectional bus in a typical microprocessor system.
A.
True B.
False
4.
The language understood by the microprocessor is called assembly language.
A.
True B.
False
5.
A machine cycle is the time it takes a microprocessor to fetch and execute a complete instruction.
A.
True B.
False
6.
An address bus is also called a unidirectional bus.
A. True
B. False
7.
A coprocessor is a microprocessor designed with a limited instruction set optimized to perform arithmetic
operations very quickly.