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Computer Systems Comprehensive Exam

Total questions: 100

Worksheet time: 1hrs 8mins

Name
Class
Date
1.

A computer is a programmable machine that converts raw...

a)

Data into useful information

b)

Information into data

c)

Electricity into sound

d)

Software into hardware

2.

Give an example of convergence. (Fill in the blank)

(a)  

3.

What kind of computers are found in automobiles, ATMs and appliances?

a)

Embedded

b)

Supercomputers

c)

Mainframes

d)

Wearable

4.

In which step of the information processing cycle is data manipulated, calculated or organized to create useful information?

a)

Processing

b)

Input

c)

Output

d)

Storage

5.

What is the binary code that can represent most currently used language characters and is the standard used on the Internet?

a)

Unicode

b)

ASCII

c)

Morse Code

d)

BCD

6.

The ________ was a mechanical computer designed, but not built, in the early nineteenth century by mathematician Charles Babbage.

a)

Analytical Engine

b)

Difference Engine

c)

Turing Machine

d)

ENIAC

7.

The __________ is a measure of a computer's ability to display intelligent behavior.

a)

Turing test

b)

Moore's law

c)

Von Neumann architecture

d)

Boolean algebra

8.

_______ is the branch of science concerned with making computers behave like humans.

a)

Artificial intelligence

b)

Quantum mechanics

c)

Genetics

d)

Thermodynamics

9.

A(n) _______ is a tiny electrical switch that made second-generation computers faster and more reliable than their predecessors.

a)

Transistor

b)

Vacuum tube

c)

Capacitor

d)

Resistor

10.

A _______ is a complex, integrated circuit.

a)

Microprocessor

b)

Transistor

c)

Resistor

d)

Capacitor

11.

What are desktop computers attached to a network in a business setting called?

a)

Workstations

b)

Servers

c)

Laptops

d)

Tablets

12.

What type of portable computer is thin and light, and has high-end processing and video capabilities?

a)

Subnotebook

b)

Netbook

c)

Tablet

d)

Desktop

13.

__________ computers are built by Apple and run the OS X operating system.

a)

Mac

b)

Windows

c)

Linux

d)

Chromebook

14.

The GPS uses __________ to determine the location, time, and velocity of an object.

a)

a mathematical principle called triangulation

b)

a chemical reaction

c)

magnetic fields

d)

sound waves

15.

The ability to run some older programs on newer hardware is called __________.

a)

Backward compatibility

b)

Forward compatibility

c)

Cross-platform support

d)

Virtualization

16.

__________ are computers that provide services, such as Internet access, email, or file and print services, to client systems.

a)

Servers

b)

Desktops

c)

Laptops

d)

Tablets

17.

__________ can perform millions of transactions in a day.

a)

Mainframe computers

b)

Personal computers

c)

Smartphones

d)

Tablets

18.

__________ share(s) the processing of a task using a group of computers in one location.

a)

Grid computing

b)

Cloud computing

c)

Edge computing

d)

Quantum computing

19.

Very expensive (a)   are used to perform complex mathematical calculations, such as those used in weather forecasting and medical research.

20.

__________ design creates a work environment designed to reduce illnesses and musculoskeletal disorders.

a)

Ergonomic

b)

Aesthetic

c)

Structural

d)

Mechanical

21.

The ________ is part of the processor that manages the movement of data through the CPU.

a)

Control unit

b)

Arithmetic unit

c)

Memory module

d)

Input device

22.

The ________ is the measure of instruction cycles per second.

a)

Clock speed

b)

Bus width

c)

Cache size

d)

Instruction set

23.

Which type of port enables peer-to-peer communication between devices such as video cameras?

a)

FireWire

b)

USB

c)

HDMI

d)

Ethernet

24.

Which type of memory is a volatile form of memory that holds the operating systems, programs, and data the computer is currently using?

a)

RAM

b)

ROM

c)

Cache

d)

Hard Disk

25.

Data is stored on ________ using a laser to either melt the disc material or change the color of embedded dye.

a)

Optical discs

b)

Magnetic tapes

c)

Solid state drives

d)

Hard disk drives

26.

Pointing devices, such as the mouse and ________, work by moving a pointer on the screen.

a)

Touchpad

b)

Monitor

c)

Keyboard

d)

Speaker

27.

Which feature results in sharper images?

a)

Image Stabilization

b)

Digital Zoom

c)

Low Battery Mode

d)

Monochrome Filter

28.

________ enables devices to share data with each other by touching them together or bringing them within a few centimeters of each other.

a)

Near field communication

b)

Bluetooth

c)

Wi-Fi

d)

Infrared

29.

What type of monitor is composed of extremely thin panels of organic molecules sandwiched between two electrodes?

a)

OLED

b)

LCD

c)

CRT

d)

Plasma

30.

What is the standard video port found on video cards?

a)

DVI

b)

HDMI

c)

VGA

d)

DisplayPort

31.

What type of printer is the most common personal printer?

a)

Inkjet

b)

Dot matrix

c)

Thermal

d)

Laser

32.

What type of printer produces the highest quality photo prints?

a)

Dye-sublimination

b)

Laser

c)

Dot matrix

d)

Thermal inkjet

33.

What type of printer produces the sharpest text at a much lower cost per page?

a)

Laser

b)

Inkjet

c)

Dot matrix

d)

Thermal

34.

What type of printer creates a model from an image by building layers of material such as paper, polymers, resin, or metal?

a)

Laser printer

b)

3D printer

c)

Inkjet printer

d)

Dot matrix printer

35.

________ are used to connect a computer to a telephone line for dial-up Internet access.

a)

Modems

b)

Routers

c)

Switches

d)

Printers

36.

________ represent audio or video data by a series of 0s and 1s.

a)

Digital devices

b)

Analog devices

c)

Mechanical devices

d)

Optical devices

37.

On ________, data is stored by using a laser to melt the material or to change the color of an embedded dye.

a)

Optical discs

b)

Magnetic tapes

c)

Hard drives

d)

Flash drives

38.

________ is a non-mechanical form of storage, which stores data on a chip.

a)

Solid-state storage

b)

Magnetic tape

c)

Optical disc

d)

Hard disk drive

39.

________ are small, portable, solid-state drives.

a)

Flash drives

b)

Hard disks

c)

CD-ROMs

d)

Magnetic tapes

40.

________ are the primary mass storage devices in a computer system.

a)

Hard drives

b)

RAM modules

c)

Monitors

d)

Keyboards

41.

Which is a function of an operating system?

a)

Managing hardware resources

b)

Designing web pages

c)

Writing application software

d)

Printing documents

42.

________ is the ability to do more than one task at a time.

a)

Multitasking

b)

Prioritizing

c)

Delegating

d)

Scheduling

43.

What acts as a translator, enhancing the capabilities of the operating system by enabling it to communicate with hardware?

a)

Device driver

b)

Application software

c)

Firmware

d)

User interface

44.

A limitation of Mac OS X is that it ________.

a)

only runs on Mac computers

b)

can run on any device

c)

is open source software

d)

is not compatible with any applications

45.

Which operating system is a multiuser OS developed in 1969 that is used on servers and specialized workstations?

a)

Windows

b)

Linux

c)

UNIX

d)

macOS

46.

Which mobile operating system is a mobile Linux operating system found on many smartphones and tablets?

a)

Android

b)

iOS

c)

Windows Phone

d)

BlackBerry OS

47.

Which mobile OS is a scaled-down version of OS X?

a)

Android

b)

iOS

c)

Windows Phone

d)

BlackBerry OS

48.

Which operating system is not an NOS?

a)

Windows Server

b)

Linux

c)

MS-DOS

d)

Novell NetWare

49.

In a hierarchy, a folder within a folder is called a _______.

a)

subfolder

b)

main folder

c)

root folder

d)

parent folder

50.

The tool used to find and organize files on a Mac is:

a)

Finder

b)

Spotlight

c)

Safari

d)

Terminal

51.

Which of the following contains an illegal character and, therefore, isn't a legal file name?

a)

file_name.txt

b)

document.docx

c)

report?.pdf

d)

image.jpeg

52.

The file extension that indicates a Word document is:

a)

.docx

b)

.xlsx

c)

.pptx

d)

.pdf

53.

Which file extension indicates a video file?

a)

.mp4

b)

.jpg

c)

.docx

d)

.mp3

54.

Which of the following file properties can be edited?

a)

File name

b)

File size

c)

Date created

d)

File type

55.

What type of file compression removes extra information from a file?

a)

Lossless compression

b)

Lossy compression

c)

Encrypted compression

d)

Hybrid compression

56.

Which image file type uses lossy compression?

a)

PNG

b)

JPEG

c)

BMP

d)

TIFF

57.

Which video file type uses compression and is used on websites for viewing?

a)

MP4

b)

AVI

c)

MOV

d)

WMV

58.

Which tool can be used to search for both files and applications on a Mac?

a)

Spotlight

b)

Finder

c)

Terminal

d)

Launchpad

59.

An advantage to using the cloud to store your files from your mobile device is:

a)

files can easily be shared with others

b)

files are stored locally on the device

c)

files are automatically backed up to the cloud

d)

files can only be accessed from the device

60.

Which cloud storage service is included with your Microsoft account?

a)

Google Drive

b)

Dropbox

c)

OneDrive

d)

iCloud

61.

Computers in a peer-to-peer network belong to a _________

a)

Workgroup

b)

Domain

c)

Cluster

d)

Server group

62.

Which resources are not shared by default in a homegroup?

(a)  

63.

A _________ is a multiuser computer system that runs a network operating system (NOS).

a)

Server

b)

Printer

c)

Router

d)

Monitor

64.

In which topology is every node on the network attached to a central device?

a)

Star

b)

Ring

c)

Bus

d)

Mesh

65.

Which type of network spans multiple locations and connects multiple networks?

a)

LAN

b)

WAN

c)

MAN

d)

PAN

66.

The device needed to connect two or more networks together is called a(n) _________

a)

Router

b)

Switch

c)

Hub

d)

Repeater

67.

A(n) _________ is an encrypted private network that allows remote users to access a LAN securely.

a)

Virtual private network (VPN)

b)

Wide area network (WAN)

c)

Local area network (LAN)

d)

Metropolitan area network (MAN)

68.

A(n) _________ blocks unauthorized access to a network.

a)

Firewall

b)

Router

c)

Switch

d)

Modem

69.

Which type of network consists of a group of clients and servers under the control of one central security database?

a)

domain

b)

workgroup

c)

peer-to-peer

d)

mesh

70.

Which protocol is responsible for addressing and routing packets to their destination?

a)

IP

b)

HTTP

c)

FTP

d)

SMTP

71.

________ uses email messages that appear to be from trusted websites to trick you into revealing personal information.

a)

Phishing

b)

Spamming

c)

Spoofing

d)

Hacking

72.

A scheme perpetrated over the Internet or by email that tricks a victim into voluntarily and knowingly giving money or property to a person is ________.

a)

Computer Fraud

b)

Phishing Scam

c)

Identity Theft

d)

Malware Attack

73.

________ is the act of gaining unauthorized access to a computer system or network.

a)

Hacking

b)

Browsing

c)

Networking

d)

Programming

74.

________ is a situation in which sensitive data is stolen or viewed by someone who is not authorized to do so.

a)

A data breach

b)

A software update

c)

A backup process

d)

A network upgrade

75.

A ________ is a device or software that blocks unauthorized access to a network.

a)

Firewall

b)

Router

c)

Switch

d)

Modem

76.

________ means using an open wireless network to access the Internet without permission.

a)

Piggybacking

b)

Phishing

c)

Spoofing

d)

Sniffing

77.

A(n) ________ is a program or hardware device that captures what is typed on a keyboard.

a)

Keylogger

b)

Firewall

c)

Router

d)

Monitor

78.

You should use a(n) ________ user account for everyday computing.

a)

Standard

b)

Administrator

c)

Guest

d)

Root

79.

Which password is the strongest?

a)

password123

b)

Qwerty!2021

c)

letmein

d)

9$Gf!2zLp@xQ

80.

Use ________ to convert plain text into code called ciphertext.

a)

encryption

b)

decryption

c)

compression

d)

transmission

81.

Moore's Law: Roughly every two years, the number of transistors on microchips will ________.

a)

double

b)

halve

c)

stay the same

d)

decrease by 10%

82.

What is information?

4 lines
83.

Input, process, output: it's the most basic structure for describing a ________.

a)

process

b)

diagram

c)

machine

d)

cycle

84.

Motherboard: the main ________ board of the computer.

a)

circuit

b)

plastic

c)

memory

d)

display

85.

CPU (Central Processing Unit): The internal operating unit or '________' of a computer.

a)

brain

b)

engine

c)

memory

d)

disk

86.

Random Access Memory (RAM): Computer location where instructions and data are stored on a ________ basis.

a)

temporary

b)

permanent

c)

annual

d)

random

87.

Harddrive: It stores and saves everything you put onto the ________.

a)

computer

b)

keyboard

c)

monitor

d)

printer

88.

Heatsink: A device or substance for absorbing excessive or unwanted ________.

a)

heat

b)

light

c)

sound

d)

water

89.

Expansion slot: Opening on the motherboard where an expansion board, also called an ________ card, can be inserted.

a)

adapter

b)

memory

c)

processor

d)

battery

90.

Power Supply Unit: Provides the electrical power for a PC. Converts standard AC power into various voltages of ________ electricity in a PC.

a)

DC

b)

AC

c)

static

d)

solar

91.

How is data stored?

4 lines
92.

What is a Byte?

a)

A group of eight bits.

b)

A single binary digit.

c)

A group of four bits.

d)

A type of computer virus.

93.

What is a Bit?

4 lines
94.

What is System Software responsible for?

4 lines
95.

What does Utility Software do?

a)

Performs specific tasks to keep the computer running. Utility software is always running in the background.

b)

Creates and edits multimedia files such as videos and images.

c)

Manages network connections and internet browsing.

d)

Develops and compiles programming code for applications.

96.

What is Application Software?

4 lines
97.

What is a network?

4 lines
98.

What does a Local Area Network (LAN) do?

a)

Connects a group of computers in close proximity, such as in an office building, school, or home.

b)

Connects computers across different continents.

c)

Provides wireless internet to mobile phones only.

d)

Controls the power supply in a building.

99.

What does a Wide Area Network (WAN) do?

a)

Spans a large geographic area such as a state, province, or country.

b)

Connects devices within a single room only.

c)

Is used only for wireless communication within a building.

d)

Operates only within a single computer.

100.

What does a Personal Area Network (PAN) do?

4 lines