Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Câu hỏi về công nghệ máy tính

Total questions: 90

Worksheet time: 45mins

Name
Class
Date
1.

1-1. Computer technology is changing at a ___ pace.

a)

Slow

b)

Slow to average

c)

Rapid

d)

Non-existent

2.

1-2. Computer ___ refers to the attributes that directly affect the execution logic of a program.

a)

Organization

b)

Details

c)

Design

d)

Architecture

3.

1-3. Architectural attributes include __________.

a)

I/O mechanisms

b)

Control characteristics

c)

Interfaces

d)

Memory technology used

4.

1-4. _________ attributes include hardware details transparent to the programmer.

a)

Interface

b)

Organization

c)

Memory

d)

Architecture

5.

1-5. It is a(n) _________ design issue whether a computer will have a multiply instruction.

a)

Architecture

b)

Memory

c)

Elementary, preliminary

d)

Organization

6.

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.

a)

Architecture

b)

Memory

c)

Mechanical

d)

Organization

7.

1-7. A __________ system is a set of interrelated subsystems.

a)

Second

b)

Hierarchical

c)

Complex

d)

Functional

8.

1-8. An I/O device is referred to as a __________.

a)

CPU

b)

Controller device

c)

Peripheral

d)

Register

9.

1-9. When data are moved over longer distances, to or from a remote device, the process is known as __________.

a)

Data communication

b)

Registration

c)

Structure

d)

Data transportation

10.

1-10. The _________ stores data.

a)

Bus system

b)

I/O

c)

Main memory

d)

Controller

11.

A common example of system interconnection is by means of a __________.

a)

Register

b)

System bus

c)

Data transport

d)

Control device

12.

The __________ moves data between the computer and its external environment.

a)

Data transport

b)

I/O

c)

Register

d)

CPU interconnection

13.

A __________ is a mechanism that provides communication between the CPU, main memory, and I/O.

a)

System connection

b)

CPU connection

c)

Peripheral

d)

Microprocessor

14.

_______ provide storage internal to the CPU.

a)

Control units

b)

ALUs

c)

Main memory

d)

Registers

15.

The __________ performs the computer's data processing functions.

a)

Register

b)

CPU interconnection

c)

ALU

d)

System bus

16.

The number of bits used to represent various data types is an example of an architectural attribute.

a)

True

b)

False

17.

Interfaces between the computer and peripherals is an example of an organizational attribute.

a)

True

b)

False

18.

Historically the distinction between architecture and organization has not been an important one.

a)

True

b)

False

19.

A particular architecture may span many years and encompass a number of different computer models, its organization changing with changing technology.

a)

True

b)

False

20.

A microcomputer architecture and organization relationship is not very close.

a)

True

b)

False

21.

Changes in technology not only influence organization but also result in the introduction of more powerful and more complex architectures

a)

True

b)

False

22.

The hierarchical nature of complex systems is essential to both their design and their description.

a)

True

b)

False

23.

Both the structure and functioning of a computer are, in essence, simple.

a)

True

b)

False

24.

A computer must be able to process, store, move, and control data.

a)

True

b)

False

25.

When data are moved over longer distances, to or from a remote device, the process is known as data transport.

a)

True

b)

False

26.

The _________ was the world's first general-purpose electronic digital computer.

a)

UNIVAC

b)

MARK IV

c)

ENIAC

d)

Hollerith's Counting Machine

27.

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".

a)

True

b)

false

28.

The variety of computer products is exhibited only in cost.

a)

true

b)

false

29.

Computer organization refers to attributes of a system visible to the programmer.

a)

flase

b)

true

30.

Changes in computer technology are finally slowing down.

a)

true

b)

false

31.

The textbook for this course is about the structure and function of computers.

a)

true

b)

false

32.

The Electronic Numerical Integrator and Computer project was a response to U.S. needs during

a)

The Civil War

b)

The French-American War

c)

World War II

d)

World War I

33.

The ENIAC used __________.

a)

Vacuum tubes

b)

Integrated circuits

c)

IAS

34.

The ENIAC is an example of a _________ generation computer.

a)

First

b)

Second

c)

Fourth

d)

Third

35.

The __________ interprets the instructions in memory and causes them to be executed.

a)

Main memory

b)

Control unit

c)

I/O

d)

Arithmetic and logic unit

36.

The memory of the IAS consists of 1000 storage locations called __________.

a)

Opcodes

b)

Wafers

c)

VLSIs

d)

Words

37.

The __________ contains the 8-bit opcode instruction being executed.

a)

Memory buffer register

b)

Instruction buffer register

c)

Instruction register

d)

Memory address register

38.

During the _________ the opcode of the next instruction is loaded into the IR and the address portion is loaded into the MAR.

a)

Execute cycle

b)

Fetch cycle

c)

Instruction cycle

d)

Clock cycle

39.

Second generation computers used

a)

Integrated circuits

b)

Transistors

c)

Vacuum tubes

d)

Large-scale integration

40.

The __________ defines the third generation of computers.

a)

Integrated circuit

b)

Vacuum tube

c)

Transistor

d)

VLSI

41.

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.

a)

Multicore

b)

GPU

c)

Data channels

d)

MPC

42.

With the __________, Intel introduced the use of superscalar techniques that allow multiple instructions to execute in parallel.

a)

Core

b)

8080

c)

80486

d)

Pentium

43.

The __________ measures the ability of a computer to complete a single task.

a)

Clock speed

b)

Speed metric

c)

Execute cycle

d)

Cycle time

44.

ARM processors are designed to meet the needs of _________.

a)

Embedded real-time systems

b)

Application platforms

c)

Secure applications

d)

All of the above

45.

One increment, or pulse, of the system clock is referred to as a _________.

a)

Clock tick

b)

Cycle time

c)

Clock rate

d)

Cycle speed

46.

The IAS is the prototype of all subsequent general-purpose computers.

a)

true

b)

false

47.

The IAS operates by repetitively performing an instruction cycle.

a)

true

b)

false

48.

Computers are classified into generations based on the fundamental hardware technology employed.

a)

true

b)

false

49.

IBM's System/360 was the industry's first planned family of computers.

a)

true

b)

false

50.

A common measure of performance for a processor is the rate at which instructions are executed, expressed as billions of instructions per seconds (BIPS).

a)

true

b)

false

51.

John Mauchly and John Eckert designed the ENIAC.

a)

true

b)

false

52.

The world's first general-purpose electronic digital computer was designed and constructed at The Ohio State University.

a)

true

b)

false

53.

The major drawback of the EDVAC was that it had to be programmed manually by setting switches and plugging and unplugging cables.

a)

true

b)

false

54.

Backward compatible means that the programs written for the older machines can be executed on the new machine.

a)

true

b)

false

55.

A vacuum tube is a solid-state device made from silicon.

a)

true

b)

false

56.

System software was introduced in the third generation of computers.

a)

true

b)

false

57.

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.

a)

true

b)

false

58.

Intel's 4004 was the first chip to contain all of the components of a CPU on a single chip.

a)

true

b)

false

59.

Designers wrestle with the challenge of balancing processor performance with that of main memory and other computer components.

a)

true

b)

false

60.

The Intel x86 evolved from RISC design principles and is used in embedded systems.

a)

true

b)

false

61.

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

a)

John Eckert

b)

John von Neumann

c)

Herman Hollerith

d)

John Maulchy

62.

The von Neumann architecture is based on which concept?

a)

All of the above

b)

Data and instructions are stored in a single read-write memory

c)

The contents of this memory are addressable by location

d)

Execution occurs in a sequential fashion

63.

A sequence of codes or instructions is called __________.

a)

Software

b)

Memory

c)

An interconnect

d)

A register

64.

The processing required for a single instruction is called a(n) __________ cycle.
a. Execute
b. Fetch
c. Instruction
d. Packet

a)

a. Execute

b)

b. Fetch

c)

c. Instruction

d)

d. Packet

65.

A(n) _________ is generated by a failure such as power failure or memory parity error.

a)

I/O interrupt

b)

Hardware failure interrupt

c)

Timer interrupt

d)

Program interrupt

66.

A(n) _________ is generated by some condition that occurs as a result of an instruction execution.

a)

Timer interrupt

b)

I/O interrupt

c)

Program interrupt

d)

Hardware failure interrupt

67.

The interconnection structure must support which transfer?

a)

Memory to processor

b)

Processor to memory

c)

I/O to or from memory

d)

All of the above

68.

A bus that connects major computer components (processor, memory, I/O) is called a __________.

a)

System bus

b)

Address bus

c)

Data bus

d)

Control bus

69.

The __________ are used to designate the source or destination of the data on the data bus

a)

system lines

b)

data lines

c)

control lines

d)

address lines

70.

The data lines provide a path for moving data among system modules and are collectively called the _________.

a)

Control bus

b)

Address bus

c)

Data bus

d)

System bus

71.

A __________ is the high-level set of rules for exchanging packets of data between devices.

a)

Bus

b)

Protocol

c)

Packet

d)

QPI

72.

Each data path consists of a pair of wires (referred to as a __________) that transmits data one bit at a time.

a)

Lane

b)

Path

c)

Line

d)

Bus

73.

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

a)

Transaction layer

b)

Root layer

c)

Configuration layer

d)

Transport layer

74.

The TL supports which of the following address spaces?
a. Memory
b. I/O
c. Message
d. All of the above

a)

Memory

b)

I/O

c)

Message

d)

All of the above

75.

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

a)

Link

b)

Protoco

c)

Routing

d)

Physical

76.

At a top level, a computer consists of CPU, memory, and I/O components.

a)

true

b)

false

77.

The basic function of a computer is to execute programs.

a)

true

b)

false

78.

Program execution consists of repeating the process of instruction fetch and instruction execution.

a)

true

b)

false

79.

Interrupts do not improve processing efficiency.

a)

true

b)

false

80.

An I/O module cannot exchange data directly with the processor.

a)

true

b)

false

81.

A key characteristic of a bus is that it is not a shared transmission medium.

a)

true

b)

false

82.

Computer systems contain a number of different buses that provide pathways between components at various levels of the computer system hierarchy.

a)

true

b)

false

83.

In general, the more devices attached to the bus, the greater the bus length and hence the greater the propagation delay.

a)

true

b)

false

84.

It is not possible to connect I/O controllers directly onto the system bus.

a)

true

b)

false

85.

The method of using the same lines for multiple purposes is known as time multiplexing.

a)

true

b)

false

86.

Timing refers to the way in which events are coordinated on the bus.

a)

true

b)

false

87.

With asynchronous timing the occurrence of events on the bus is determined by a clock.

a)

true

b)

false

88.

Because all devices on a synchronous bus are tied to a fixed clock rate, the system cannot take advantage of advances in device performance.

a)

true

b)

false

89.

The unit of transfer at the link layer is a phit and the unit transfer at the physical layer is a flit.

a)

true

b)

false

90.

A key requirement for PCIe is high capacity to support the needs of higher data rate I/O devices such as Gigabit Ethernet.

a)

true

b)

false