Multiple Choice 1

Multiple Choice 1

1. Which of the following is (are) true about computers?

They accept input.

They store data.

They produce output.

2. Computers that operate in essentially the same way are said to be

(c) compatible

3. Which of the following can supply input to a computer?

A person

The environment

Another computer

4 .A computer processes data in a device called the

(b) CPU

5. A computer file is a named collection of data that exists on which of the following?

Optical disk (CD or DVD)

Floppy disk

Hard disk

Multiple Choice 2

1.Which of the following is a programming language?

(b) ADA

2.Which of the following is a file format used to store music?

(c) MP3

3.Which of the following is a general-purpose component that can be programmed to meet a particular need?

(c) None of the above

4.Which of the following is not an essential component of present-day computers?

(c) None of the above

5.Which of the following suggests that the number of transistors on a microchip will double every 12 months, until physical limitations are reached?

(b) Moore’s law

6.Which of the following consumes the least power?

(a) Integrated circuits

7.Which of the following types of software collects information about marketing effectiveness and market trends?

(d) Customer Relationship Management software

8. Which of the following uses holes following specific patterns to represent stored data or instructions to the machine?

(c) Punched cards

Multiple Choice 3

1.Which of the following represents the decimal number sequence 0, 1, 2, 3 in binary?

(c) 0000, 0001, 0010, 0011

2.How many hexadecimal digits are needed to represent the decimal number 32?

(c) 2

3.A kilobyte is equal to 1,024 bytes or 2^10 bytes. How many bytes constitute a megabyte, considering that a megabyte is equal to 1,024 kilobytes or 2^10 kilobytes?

(d) 2^20

4.Which of the following is the binary representation of 16?

(d) None of the above

5.The ASCII code for the character ‘a’ is 97. How can the character ‘a’ be represented in binary using ASCII codes?

(d) 01100001

Multiple Choice 4

1.Which of the following can be an advantage of buying a computer that contains a widely-used CPU or its equivalent clone?

A lot of established computer suppliers provide products using that type of CPU.

The cost of the CPU is likely to be lower because of the large quantities of the CPU that have been sold.There will be more operating systems that work with that type of CPU.

2.Components of the CPU typically include which of the following?

The control unit

The Level 1 cache memory

The Arithmetic/Logic Unit

3.Where is a computer's CPU located?

(c) On the motherboard

4.The microprocessor in a multi-purpose computer is also known as the

(c) CPU

5.Which of the following is (are) true of ROM?

ROM is volatile.

The instructions needed to boot a computer are typically stored in ROM.

(c) II only

6.What is an area in the computer system unit that temporarily holds data before and after it is processed until the computer is turned off?

(a) RAM

7.A computer clock with a speed of 100 MHz cycles how many times per second?

(a) 100,000,000

8. Which of the following is (are) true of modern microprocessors?

Microprocessor chips are typically the size of a deck of cards.

Microprocessors typically contain millions of transistors.

(d) II only

9.Which of the following memory types holds data but requires very little power to retain its contents? (c) CMOS

10.CPU performance is influenced by which of the following?

Word size

Clock rate

Instruction set size

11.Which of the following types of memory typically holds computer configuration settings and is powered by a small battery?

(b) CMOS

12.When a computer is turned on, the central processing unit performs instructions specified by the _____ that searches the disk drive for the main operating system files.

(d) ROM BIOS

13.Consider Computer A, which uses a 1.2-GHz CPU, and Computer B, which uses a 1-GHz CPU. For any given program P, which of the following is true?

(c) It cannot be determined whether program P will run faster on computer A or on computer B without knowing more about program P.

14.The budget processor produced by Intel is called the

(a) Celeron

15. An Arithmetic/Logic Unit typically performs which of the following operations?

Retrieval of instructions from RAM

Performance of greater-than and less-than comparisons

(d) II only

16.Which of the following kinds of projects typically requires a special type of CPU that would not be found in a desktop or mainframe computer?

(a) Monitoring the operation of an automobile engine

17.In order to retain data for future reference, volatile storage requires

(d) a constant source of electrical power

18.Which of the following components is (are) typically found on the motherboard of a computer?

Expansion slots

The microprocessor

The CMOS memory chip

Multiple Choice 5

1.Which of the following is (are) true of a bus on the motherboard?

A bus is not critical to the overall performance of a computer system.

A bus is used to transport data between components on the motherboard.

The CPU and other components use a bus to read and write data into RAM.

1. II and III only

2.Which of the following are true of Universal Serial Bus (USB)?

A large number of devices can potentially be interconnected using the USB.

It is used with many types of devices for transferring large amounts of data.

3.Input devices for a computer include which of the following?

Digital cameras

Scanners

4.A computer bus that transfers data twice per cycle is said to be double

(b) pumped

5. Which of the following devices is involved in both frequent and large data transfers?

(a) Monitor

6.Which of the following is (are) true of USB computer connections?

A USB hub can support up to 127 devices.

Typically, USB devices can be connected without restarting the computer

7.Ethernet cards are used to provide a computer a connection to which of the following?

(d) Local area networks

8. Computer output devices include which of the following?

Projector

Printer

9. A monitor is primarily which kind of device?

(a) An output device

10.Laptop computers typically contain _____ slots.

(a) PCMCIA

11. Which of the following considerations is (are) important when purchasing a graphics card for a computer?

The type of bus interface to be used by the graphics card

Whether the card has a graphics processor to speed up processing

12. Which of the following are primarily input devices?

Mouse

Printer

13. Desktop computer expansion slots include which of the following?

PCI

AGP

14. One advantage of an LCD monitor is

(a) compactness

15. Which of the following is (are) true of computer printers?

None

16. The speed of a computer bus is measured in _____, whereas the transfer rate is measured in _____.

(d) hertz, Bps

17. A parallel port can be used to connect a computer to a

(d) printer

18. Which of the following is not true when comparing ink-jet printers with laser printers?

(b) Ink-jet and laser printers have a similar cost per printed page when printing large quantities of pages.

19. Which bus transfers data between the CPU and the chipset?

(a) Front side

20. Which of the following is a relatively new and flexible interface for connecting many diverse input/output devices to a computer through a single port?

(a) USB