Certification Exam 100

1.

Results produced by a computer are known as

 (a) hardware  (b) output  (c) devices  (d) input

Correct answer is

(b)

Your score on this question is:

1.00

Feedback:

See Chapter 1, page 5, in the course textbook.

2.

Information transferred to a computer from an external source such as a mouse or keyboard is known as

 (a) output  (b) hardware  (c) software  (d) input

Correct answer is

(d)

Your score on this question is:

1.00

Feedback:

See Chapter 1, page 11, in the course textbook.

3.

Which of the following is (are) true regarding computer input?

1. Input can be supplied to a computer by another computer.

2. Input can be supplied to a computer by the environment.

 (a) None  (b) II only  (c) I and II  (d) I only

Correct answer is

(c)

Your score on this question is:

1.00

Feedback:

See Chapter 1, page 4, in the course textbook.

4.

The series of instructions that cause a computer to perform processing tasks is referred to as a

 (a) device  (b) CPU  (c) program  (d) byte

Correct answer is

(c)

Your score on this question is:

1.00

Feedback:

See Chapter 1, page 4, in the course textbook.

5.

Which of the following is (are) true about use of the terms memory and storage with regard to computers?

1. Memory generally refers to an area of a computer that temporarily holds data waiting for processing, storage, or output.

2. Storage generally refers to an area of a computer where data is held on a permanent basis.

 (a) II only  (b) None  (c) I and II  (d) I only

Correct answer is

(c)

Your score on this question is:

1.00

Feedback:

See Chapter 1, page 5, in the course textbook.

6.

Which of the following is (are) true about RAM?

1. It is the kind of memory where data can be stored on a permanent basis.

2. It can store a series of instructions for a computing task.

 (a) I and II  (b) None  (c) I only  (d) II only

Correct answer is

(d)

Your score on this question is:

1.00

Feedback:

See Chapter 1, page 5, in the course textbook.

7.

Which of the following is (are) true of vacuum tubes?

1. They typically respond faster than mechanical components.

2. They burn out more quickly than transistors.

3. They were replaced by transistors.

 (a) II only  (b) I and III only  (c) I, II, and III  (d) II and III only

Correct answer is

(c)

Your score on this question is:

0.00

Feedback:

See section 1.2.1, subsection "1940s–Vacuum Tubes" and "1950s–Transistors," in the course notes.

8.

A degree in _____ focuses on the design of computer hardware and peripheral devices, often at the chip level.

 (a) information systems  (b) software engineering  (c) computer engineering  (d) computer science

Correct answer is

(c)

Your score on this question is:

1.00

Feedback:

See Chapter 8, page 416, in the course textbook.

9.

Which of the following is a mechanical calculator invented in the 1600s that used wheels to move counters?

 (a) Jacquard loom  (b) Hollerith's machine  (c) Pascaline  (d) Abacus

Correct answer is

(c)

Your score on this question is:

1.00

Feedback:

See section 1.2.1, subsection "1600s–Mechanical Calculators," in the course notes.

10.

Typical functions performed by customer-relationship management software include which of the following?

1. Collecting information on customer demographics

2. Personalizing Web site content for customers

3. Tracking purchasing behavior of customers

 (a) II and III only  (b) II only  (c) I, II, and III  (d) I and III only

Correct answer is

(c)

Your score on this question is:

1.00

Feedback:

See section 1.2.2, subsection "In Business," in the course notes.

11.

In which category are IT companies that create operating systems, programming languages, and applications?

 (a) Equipment manufacturers  (b) Software publishers  (c) Chipmakers  (d) Retailers

Correct answer is

(b)

Your score on this question is:

1.00

Feedback:

See Chapter 8, page 398, in the course textbook.

12.

Which of the following is (are) manufactured by companies in the computer industry?

1. Personal Computers

2. High-end Workstations

3. Servers

 (a) I and III only  (b) II and III only  (c) I, II, and III  (d) I and II only

Correct answer is

(c)

Your score on this question is:

1.00

Feedback:

See Chapter 8, page 397, in the course textbook.

13.

Computers represent numeric data using the _____ number system.

 (a) ASCII  (b) digital  (c) binary  (d) analog

Correct answer is

(c)

Your score on this question is:

1.00

Feedback:

See Chapter 2, page 59, in the course textbook.

14.

The 1s and 0s that a digital device works with are referred to as _____ digits.

 (a) index  (b) analog  (c) binary  (d) master

Correct answer is

(c)

Your score on this question is:

1.00

Feedback:

See Chapter 2, page 58, in the course textbook.

15.

The list of instructions that a microprocessor can perform is called its _____ set.

 (a) master  (b) instruction  (c) index  (d) word

Correct answer is

(b)

Your score on this question is:

1.00

Feedback:

See Chapter 2, page 67, in the course textbook.

16.

The _____ speed specifications in computer ads indicate the speed of the microprocessor.

 (a) register  (b) clock  (c) cache  (d) control unit

Correct answer is

(b)

Your score on this question is:

1.00

Feedback:

See Chapter 2, page 67, in the course textbook.

17.

The ALU uses _____ to hold data that is being processed.

 (a) cache  (b) registers  (c) words  (d) control units

Correct answer is

(b)

Your score on this question is:

1.00

Feedback:

See Chapter 2, page 67, in the course textbook.

18.

Which of the following statements regarding microprocessors is (are) true?

1. Microprocessor word size refers to the number of bits that can be manipulated at one time.

2. A 1-gigahertz microprocessor executes 1 million cycles per second.

 (a) None  (b) I and II  (c) I only  (d) II only

Correct answer is

(c)

Your score on this question is:

1.00

Feedback:

See Chapter 2, page 67, in the course textbook.

19.

Which of the following statements regarding RAM is (are) true?

1. Hard drive capacity is usually larger than RAM capacity.

2. RAM is typically a single chip or circuit board that plugs into the motherboard.

 (a) II only  (b) I only  (c) None  (d) I and II

Correct answer is

(b)

Your score on this question is:

0.00

Feedback:

See Chapter 2, page 70, in the course textbook.

20.

Which of the following statements regarding cache memory is (are) true?

1. The capacity of an L1 cache cannot be upgraded without replacing the microprocessor.

2. Data can be retrieved more quickly from the L2 cache than the L1 cache.

 (a) II only  (b) I only  (c) None  (d) I and II

Correct answer is

(b)

Your score on this question is:

1.00

Feedback:

See Chapter 2, page 68, in the course textbook.

21.

PS/2 and DB-9 are two types of _____ ports.