WorksheetsCâu hỏi về công nghệ máy tính
Total questions: 90
Worksheet time: 45mins
1-1. Computer technology is changing at a ___ pace.
Slow
Slow to average
Rapid
Non-existent
1-2. Computer ___ refers to the attributes that directly affect the execution logic of a program.
Organization
Details
Design
Architecture
1-3. Architectural attributes include __________.
I/O mechanisms
Control characteristics
Interfaces
Memory technology used
1-4. _________ attributes include hardware details transparent to the programmer.
Interface
Organization
Memory
Architecture
1-5. It is a(n) _________ design issue whether a computer will have a multiply instruction.
Architecture
Memory
Elementary, preliminary
Organization
1-6. It is a(n) _________ issue whether the multiply instruction will be implemented by a special multiply unit or by a mechanism that makes repeated use of the add unit of the system.
Architecture
Memory
Mechanical
Organization
1-7. A __________ system is a set of interrelated subsystems.
Second
Hierarchical
Complex
Functional
1-8. An I/O device is referred to as a __________.
CPU
Controller device
Peripheral
Register
1-9. When data are moved over longer distances, to or from a remote device, the process is known as __________.
Data communication
Registration
Structure
Data transportation
1-10. The _________ stores data.
Bus system
I/O
Main memory
Controller
A common example of system interconnection is by means of a __________.
Register
System bus
Data transport
Control device
The __________ moves data between the computer and its external environment.
Data transport
I/O
Register
CPU interconnection
A __________ is a mechanism that provides communication between the CPU, main memory, and I/O.
System connection
CPU connection
Peripheral
Microprocessor
_______ provide storage internal to the CPU.
Control units
ALUs
Main memory
Registers
The __________ performs the computer's data processing functions.
Register
CPU interconnection
ALU
System bus
The number of bits used to represent various data types is an example of an architectural attribute.
True
False
Interfaces between the computer and peripherals is an example of an organizational attribute.
True
False
Historically the distinction between architecture and organization has not been an important one.
True
False
A particular architecture may span many years and encompass a number of different computer models, its organization changing with changing technology.
True
False
A microcomputer architecture and organization relationship is not very close.
True
False
Changes in technology not only influence organization but also result in the introduction of more powerful and more complex architectures
True
False
The hierarchical nature of complex systems is essential to both their design and their description.
True
False
Both the structure and functioning of a computer are, in essence, simple.
True
False
A computer must be able to process, store, move, and control data.
True
False
When data are moved over longer distances, to or from a remote device, the process is known as data transport.
True
False
The _________ was the world's first general-purpose electronic digital computer.
UNIVAC
MARK IV
ENIAC
Hollerith's Counting Machine
There is a tremendous variety of products, from single-chip microcomputers costing a few dollars to supercomputers costing tens of millions of dollars that can rightly claim the name "computer".
True
false
The variety of computer products is exhibited only in cost.
true
false
Computer organization refers to attributes of a system visible to the programmer.
flase
true
Changes in computer technology are finally slowing down.
true
false
The textbook for this course is about the structure and function of computers.
true
false
The Electronic Numerical Integrator and Computer project was a response to U.S. needs during
The Civil War
The French-American War
World War II
World War I
The ENIAC used __________.
Vacuum tubes
Integrated circuits
IAS
The ENIAC is an example of a _________ generation computer.
First
Second
Fourth
Third
The __________ interprets the instructions in memory and causes them to be executed.
Main memory
Control unit
I/O
Arithmetic and logic unit
The memory of the IAS consists of 1000 storage locations called __________.
Opcodes
Wafers
VLSIs
Words
The __________ contains the 8-bit opcode instruction being executed.
Memory buffer register
Instruction buffer register
Instruction register
Memory address register
During the _________ the opcode of the next instruction is loaded into the IR and the address portion is loaded into the MAR.
Execute cycle
Fetch cycle
Instruction cycle
Clock cycle
Second generation computers used
Integrated circuits
Transistors
Vacuum tubes
Large-scale integration
The __________ defines the third generation of computers.
Integrated circuit
Vacuum tube
Transistor
VLSI
The use of multiple processors on the same chip is referred to as __________ and provides the potential to increase performance without increasing the clock rate.
Multicore
GPU
Data channels
MPC
With the __________, Intel introduced the use of superscalar techniques that allow multiple instructions to execute in parallel.
Core
8080
80486
Pentium
The __________ measures the ability of a computer to complete a single task.
Clock speed
Speed metric
Execute cycle
Cycle time
ARM processors are designed to meet the needs of _________.
Embedded real-time systems
Application platforms
Secure applications
All of the above
One increment, or pulse, of the system clock is referred to as a _________.
Clock tick
Cycle time
Clock rate
Cycle speed
The IAS is the prototype of all subsequent general-purpose computers.
true
false
The IAS operates by repetitively performing an instruction cycle.
true
false
Computers are classified into generations based on the fundamental hardware technology employed.
true
false
IBM's System/360 was the industry's first planned family of computers.
true
false
A common measure of performance for a processor is the rate at which instructions are executed, expressed as billions of instructions per seconds (BIPS).
true
false
John Mauchly and John Eckert designed the ENIAC.
true
false
The world's first general-purpose electronic digital computer was designed and constructed at The Ohio State University.
true
false
The major drawback of the EDVAC was that it had to be programmed manually by setting switches and plugging and unplugging cables.
true
false
Backward compatible means that the programs written for the older machines can be executed on the new machine.
true
false
A vacuum tube is a solid-state device made from silicon.
true
false
System software was introduced in the third generation of computers.
true
false
A wafer is made of silicon and is broken up into chips which consists of many gates and/or memory cells plus a number of input and output attachment points.
true
false
Intel's 4004 was the first chip to contain all of the components of a CPU on a single chip.
true
false
Designers wrestle with the challenge of balancing processor performance with that of main memory and other computer components.
true
false
The Intel x86 evolved from RISC design principles and is used in embedded systems.
true
false
Virtually all contemporary computer designs are based on concepts developed by __________ at the Institute for Advanced Studies, Princeton.
a. John Maulchy
b. John von Neumann
c. Herman Hollerith
d. John Eckert
John Eckert
John von Neumann
Herman Hollerith
John Maulchy
The von Neumann architecture is based on which concept?
All of the above
Data and instructions are stored in a single read-write memory
The contents of this memory are addressable by location
Execution occurs in a sequential fashion
A sequence of codes or instructions is called __________.
Software
Memory
An interconnect
A register
The processing required for a single instruction is called a(n) __________ cycle.
a. Execute
b. Fetch
c. Instruction
d. Packet
a. Execute
b. Fetch
c. Instruction
d. Packet
A(n) _________ is generated by a failure such as power failure or memory parity error.
I/O interrupt
Hardware failure interrupt
Timer interrupt
Program interrupt
A(n) _________ is generated by some condition that occurs as a result of an instruction execution.
Timer interrupt
I/O interrupt
Program interrupt
Hardware failure interrupt
The interconnection structure must support which transfer?
Memory to processor
Processor to memory
I/O to or from memory
All of the above
A bus that connects major computer components (processor, memory, I/O) is called a __________.
System bus
Address bus
Data bus
Control bus
The __________ are used to designate the source or destination of the data on the data bus
system lines
data lines
control lines
address lines
The data lines provide a path for moving data among system modules and are collectively called the _________.
Control bus
Address bus
Data bus
System bus
A __________ is the high-level set of rules for exchanging packets of data between devices.
Bus
Protocol
Packet
QPI
Each data path consists of a pair of wires (referred to as a __________) that transmits data one bit at a time.
Lane
Path
Line
Bus
The _________ receives read and write requests from the software above the TL and creates request packets for transmission to a destination via the link layer.
a. Transaction layer
b. Root layer
c. Configuration layer
d. Transport layer
Transaction layer
Root layer
Configuration layer
Transport layer
The TL supports which of the following address spaces?
a. Memory
b. I/O
c. Message
d. All of the above
Memory
I/O
Message
All of the above
The QPI _________ layer is used to determine the course that a packet will traverse across the available system interconnects.
a. Link
b. Protocol
c. Routing
d. Physical
Link
Protoco
Routing
Physical
At a top level, a computer consists of CPU, memory, and I/O components.
true
false
The basic function of a computer is to execute programs.
true
false
Program execution consists of repeating the process of instruction fetch and instruction execution.
true
false
Interrupts do not improve processing efficiency.
true
false
An I/O module cannot exchange data directly with the processor.
true
false
A key characteristic of a bus is that it is not a shared transmission medium.
true
false
Computer systems contain a number of different buses that provide pathways between components at various levels of the computer system hierarchy.
true
false
In general, the more devices attached to the bus, the greater the bus length and hence the greater the propagation delay.
true
false
It is not possible to connect I/O controllers directly onto the system bus.
true
false
The method of using the same lines for multiple purposes is known as time multiplexing.
true
false
Timing refers to the way in which events are coordinated on the bus.
true
false
With asynchronous timing the occurrence of events on the bus is determined by a clock.
true
false
Because all devices on a synchronous bus are tied to a fixed clock rate, the system cannot take advantage of advances in device performance.
true
false
The unit of transfer at the link layer is a phit and the unit transfer at the physical layer is a flit.
true
false
A key requirement for PCIe is high capacity to support the needs of higher data rate I/O devices such as Gigabit Ethernet.
true
false
