Module 3 Quiz

If you press the key corresponding to letter A on the keyboard, what process is carried out inside the CPU to display the letter on the screen? The CPU stores the keystroke as the letter 'A' and displays it on the screen. The keyboard transfers the letter 'A' directly to the monitor, without passing through the CPU. 'A' is converted to binary code, which the CPU processes. The computer then converts the code back 'A' for display. 'A' is converted to special characters, which the screen translates back to 'A' for display.

'A' is converted to binary code, which the CPU processes. The computer then converts the code back 'A' for display.

Which of these is an optical medium of storage? Blu-ray disc Solid state drive Cloud storage Hard disk drive

Blu-ray disc

Which of the following refers to a condition in which the CPU performs well but the bus speed is slow? Bottlenecking Clock speed Reboot Instructions per cycle (IPC)

Bottlenecking

What determines the speed at which data travels? Bus width Clock speed Instructions per cycle (IPC) RAM capacity

Bus width

Which of the following factors can affect processor performance of a CPU? Clock speed Benchmark Hard drive space Number of peripheral devices connected

Clock speed

Jason takes many photographs on his smartphone while on vacation in Italy. If Jason wants to access these pictures across multiple devices, including his computer, smartphone, and tablet, where should he store them? RAM ROM Cloud storage Compact disk

Cloud storage

Which of the following types of RAM needs to be constantly recharged to retain the contents? Dynamic RAM (DRAM) Static RAM (SRAM) Magnetoresistive RAM (MRAM) Flash Memory

Dynamic RAM (DRAM)

Surya's computer monitor display does not seem to work despite repeated attempts to fix the issue. Which of the following is most likely to be causing display problems? Faulty power or video cable Improperly connected keyboard Dysfunctional UPS Power fluctuation

Faulty power or video cable

What is the correct sequence of processing instructions in a machine cycle? Fetch - decode - execute - store Fetch - store - decode - execute Fetch - execute - decode - store Decode - fetch - store - execute

Fetch - decode - execute - store

Which of the following is a game controller that is held with both hands and used to control movement of on-screen objects by pressing buttons and moving hardware components? Joystick Gamepad Digital Pen Stylus

Gamepad

Which of these hardware components can you use to store videos? External RAM Programmable ROM Hard drive Motherboard

Hard drive

What is the recommended solution if a computer performs slowly? Decrease the brightness of the display. Install anti-virus software. Install additional RAM. Verify if the AC adapter is connected properly.

Install additional RAM.

When considering a computer to purchase, which of the following factors involves the operating system of the computer? form factor platform hardware specifications add-on devices

Platform

What printer is commonly used to produce high-quality professional drawings such as architectural blueprints? Ink-jet printer Laser printer Plotter Mobile printer

Plotter

What devices do not need device drivers to be manually installed, and start to function as soon as they are connected to a computer? Printers Monitors Plug-and-play devices Video cards

Plug-and-play devices

Which of these is not an input device? Stylus Scanner Printer Webcam

Printers

Which is the most suitable device to use in a classroom or a conference room to deliver presentations? Printer Voice synthesizer Headset Projector

Projector

Alex needs to email his graduation certificate to a prospective employer. He has only physical copies of the certificate. What device could he use to create an electronic copy of the certificate? scanner plotter digital pen projector

Scanner

What performance specification does 2 GHz refer to? Speed at which the processor executes instructions Speed at which data travels Time taken to fetch and decode instructions Time taken to store the instructions on RAM

Speed at which the processor executes instructions

To resolve major computer issues, computer professionals often suggest restoring the operating system. Which of the following should happen before this step? Disconnect all output devices. Transfer contents to an external storage device. Disconnect the UPS. Remove the internal hard drive on which the operating system is stored.

Transfer contents to an external storage device.

What is the first step to performing hardware maintenance? Turn off the computer and remove its power source. Install anti-virus software. Disconnect all the input and output devices. Disconnect the UPS and surge suppressor.

Turn off the computer and remove its power source

What is the most common type of storage device for transferring files from one computer to another? tape drive internal hard drive memory card USB flash drive

USB flash drive

What should you do if a headset plugged into your computer is not working properly? Unplug the headset. Update the device driver. Replace the computer's power cord. Upgrade RAM.

Update the device driver.

Which of the following is a necessary step in maintaining computer hardware? Connecting peripheral devices to computer Rebooting the computer often Using a UPS or a surge processor Cleaning air vents

Using a UPS or a surge processor

What device do e-learning applications usually use to help users with visual impairment read digital content? Projector Plotter Motion-sensing controller Voice synthesizer

Voice synthesizer

When should a user consider restoring the operating system? When programs or apps do not start properly When the monitor does not display anything When you cannot print documents When you can't connect to the Internet

When programs or apps do not start properly

What is the binary system? a number system with two digits, 0 and 1 an 8-bit coding scheme a number system with 10 digits, 0-9 a 16-bit coding scheme

a number system with two digits, 0 and 1

Manny copied a table from an MS Excel file, closed the file, and then pasted the table in an MS Word document. Where was the table stored after he copied it? in ROM in RAM in the ALU in the core

in RAM

Which type of memory is permanently installed on your computer and attached to the motherboard? read-only memory (ROM) random access memory (RAM) processor cache virtual memory

read-only memory (ROM)

What type of hard drive has no moving parts, making it fast and durable? magnetic hard drive solid state drive DVD tape drive

solid state drive

When a CPU executes instructions as it converts input into output, it does so with _____. the control unit and the arithmetic logic unit the hard drive and RAM the cache and the motherboard RAM and ROM

the control unit and the arithmetic logic unit

When Alice turned on her laptop this morning, the screen displayed only colorful horizontal lines. Which of the following is most likely to have a problem? hard drive video card external storage devices built-in camera

video card

Rocco runs a software firm that creates database management systems for other businesses. How can he ensure that his employees' computers remain protected from viruses and other malware? He should have additional RAM installed on all the computers. He should have the hard disks on all the computers defragmented periodically. He should have periodic anti-virus scanning and software upgraded on all computers. He should have the hardware components like the monitor, keyboard, and CPU vents periodically cleaned.

He should have periodic anti-virus scanning and software upgraded on all computers.

Alessandro wants to use his desktop computer to video chat with his mother. What hardware does he need to accomplish this? Use a webcam and scanner to ensure that the quality of the call is good. Use his webcam and speakers so that he and his mother can both see and hear each other. Use his keyboard, monitor, and speakers so that both he and his mother can see, hear, and even text each other. Use his projector and webcam so that both he and his mother can clearly see and hear each other.

Use his webcam and speakers so that he and his mother can both see and hear each other.

Jennifer turns on her laptop and hears a series of beeps. What do they probably indicate? operating system error out-of-date device driver internal hardware problem low battery

internal hardware problem

Which type of a computer can be assembled using a monitor, a keyboard, a CPU, speakers, a printer and a mouse? A laptop An all-in-one computer A desktop computer A tablet

A desktop computer

Which of the following devices is the easiest to upgrade, such as by adding RAM? Desktop computers Tablets Smartphones Laptops

Desktop computers

What could cause an external drive, like a USB flash drive, to not be recognized when plugged into a computer? A faulty port A dusty computer vent Insufficient space on the hard disk drive An issue with internet connectivity

A faulty port

Where on a computer is the operating system generally stored? RAM Internal hard drive Flash drive Virtual memory

Internal hard drive

Jack needs a convenient way to browse the Internet, read emails, and store basic data when he travels. Which of the following would be the best option for him? all-in-one computer desktop computer tablet high-end laptop

tablet