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1.

Which of the following can supply input to a computer?

  1. A person

  2. The environment

  3. Another computer

2.

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

  1. They accept input.

  2. They store data.

  3. They produce output.

3.

A computer processes data in a device called the

CСPU

4.

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

compatible

5.

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

  1. Optical disk (CD or DVD)

  2. Floppy disk

  3. Hard disk

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

Customer Relationship Management software

7.

Which of the following is a programming language?

ADA

8.

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

MP3

9.

Which of the following consumes the least power?

Integrated circuits

10.

Which of the following is (are) true regarding integrated circuits and microprocessors? I. Integrated circuits contain more electrical components than microprocessors. II. Microprocessors must be manufactured for each application separately, while integrated circuits can be reused.

None

11.

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

 (a) Storage  (b) None of the above  (c) Input  (d) Output

12.

Which of the following is a thin slice of silicon packed with microscopic circuit elements such as wires, capacitors, and resistors?

Integrated circuits

13.

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

Punched cards

14.

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

2

15.

Which of the following is the binary representation of 16?

 (a) None of the above  (b) 1110  (c) 1111  (d) 1100

16.

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

0000, 0001, 0010, 0011

17.

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

01100001

18.

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?

2^20

19.

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

  1. Microprocessors typically contain millions of transistors..

20.

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

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

  2. The cost of the CPU is likely to be lower because of the large quantities of the CPU that have been sold.

  3. There will be more operating systems that work with that type of CPU.

21.

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?

RAM

22.

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

CMOS

23.

The list of instructions that a CPU is able to execute is known as its

instruction set

24.

The budget processor produced by Intel is called the

Celeron

25.

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

  1. Expansion slots

  2. The microprocessor

  3. The CMOS memory chip

26.

Steps performed by the CPU during the fetch-execute cycle include which of the following?

  1. Interpret

  2. Store

27.

Which of the following memory types holds data but requires very little power to retain its contents?

CMOS

28.

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

100,000,000

29.

CPU performance is influenced by which of the following?

  1. Word size

  2. Clock rate

  3. Instruction set size

30.

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?

Monitoring the operation of an automobile engine

31.

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

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

32.

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

  1. Performance of greater-than and less-than comparisons

33.

Which of the following manufacturers provides the Pentium family of processors for desktop computers?

Intel

34.

Components of the CPU typically include which of the following?

  1. The control unit

  2. The Level 1 cache memory

  3. The Arithmetic/Logic Unit

35.

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?

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

36.

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

a constant source of electrical power

37.

Which of the following is (are) true of CRT monitors?

  1. CRT monitors use electron beams to create colored light.

38.

Which of the following are important considerations when purchasing a monitor?

  1. The number of resolution modes supported

  2. The different levels of color depth supported

  3. The size of the viewing area that can be projected

39.

Computer output devices include which of the following?

  1. Projector

  2. Printer

40.

Which of the following are primarily input devices?

  1. Mouse

  2. Printer

41.

One advantage of an LCD monitor is

compactness

42.

A desktop computer expansion slot that is primarily used for graphics cards is the _____ slot.

AGP

43.

Which of the following components is (are) found on an accelerated graphics card?

  1. A processor

  2. Video memory

44.

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

hertz, Bps

45.

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?

USB

46.

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

pumped

47.

Desktop computer expansion slots include which of the following?

  1. PCI

  2. AGP

48.

Laptop computers typically contain _____ slots.

PCMCIA

49.

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

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

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

50.

Which of the following technologies uses a gun-like mechanism to spray the screen with dots of color?

CRT

51.

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

printer

52.

Input devices for a computer include which of the following?

  1. Digital cameras

  2. Scanners

53.

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

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

54.

Which bus transfers data between the CPU and the chipset?

Front side

55.

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

  1. Typically, ink-jet printers have a lower cost per page than laser printers.

  2. Ink-jet printers are typically faster than laser printers.

None

56.

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

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

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

57.

Which of the following statements is true?

 (a) The mean time between failures is longer for a magnetic disk than for an optical disk  (b) Writing to magnetic disks is faster than writing to optical disks  (c) Magnetic disks cost less per megabyte of storage than optical disks  (d) None of the above

Correct answer is

(d)

58.

Of the following types of storage, which provides the fastest access to data?

cache

59.

Of the following, which best describes what happens when a user opens a document for editing?

A copy of the document is loaded from the disk into RAM and edited in RAM.

60.

Which of the following can be used to set up a device as a master or a slave device on an EIDE interface?

 (a) All of the above  (b) Cable select  (c) Jumper settings for master or slave  (d) None of the above

61.

Which of the following statements is true about hard disk drives?

The hard disk read/write head rides on a cushion of air

62.

Which of the following optical media can be erased and re-written ?

 (a) CD-ROM  (b) None of the above  (c) DVD-R  (d) DVD+R

63.

Which of the following devices are solid-state storage media?

SecureDigital card

64.

What is the capacity of a single-layer single-side (SLSS) DVD disk?

4.7GB

65.

Which of the following statements is true?

Tracks can be recorded on both sides of a DVD

66.

Which of the following best describes a USB thumb drive?

Solid state storage medium

67.

Which of the following statements is false?

CD-Rs can be read from and written to many times

68.

Which of the following applies electric fields using in-circuit wiring to erase predetermined sections of the chip so those areas can be rewritten?

Flash memory

69.

Which of the following components usually is not a potential bottleneck for business applications?

Video Card

70.

Which of the following is likely to be adversely affected by a server receiving a large number of concurrent requests?

Request latency

71.

Which of the following can be used to find bottlenecks in software programs?

Profiling tools

72.

Which of the following can be the latency for transferring data of 100 MB from a server with a maximum throughput of 2 Mbps?

402 seconds

73.

What is the minimum latency that one can expect for transferring data of 50 MB from a server with a throughput of 10 Mbps?

40 seconds

74.

Which of the following describes Moore’s Law?

 (a) Storage capacity of RAM doubles every 12-18 months.  (b) None of the above  (c) Processing power (speed) doubles every 12-18 months.  (d) Disk storage capacity doubles every 12-18 months.

75.

Which of the following components could potentially be a bottleneck for an application involving extensive arithmetic operations?

Cache

76.

Which of the following refers to the rate at which data flows through the system?

Throughput

77.

Which of the following best describes the term “latency”?

The time required to complete an individual operation

78.

Which of the following describes Parkinson’s law?

Data expands to fill the space available

79.

Which of the following statements is true?

CMOS memory is volatile.

80.

Which of the following best describes preemptive multitasking?

A real-time clock generates interrupts during which other processes may be executed.

81.

Which of the following correctly represents the layers of software in a computer system (from lowest level to highest level of abstraction)?

BIOS, Operating System, Application Program Interface, Runtime Library, Application, User Interface

82.

Which of the following is not part of the Power-On Self Test sequence?

Assign IP addresses to dialup interfaces

83.

Which UNIX command is used to view process information?

top

84.

Which of the following best describes the run queue?

List of runnable processes

85.

When booting a computer, the following message is displayed: “Non-system disk or disk error. Replace and strike any key when ready.” This usually implies that:

The BIOS tried to load the boot loader from a disk that does not contain one

86.

Which of the following secures files stored on the hard disk of a computer?

Changing the boot order to boot from the hard disk drive before any removable media

87.

Which of the following deals directly with the signals that control each hardware component?

Basic Input/Output System

88.

Why is the kernel of an operating system kept as small as possible?

It must run without some of the protection mechanisms that guard against faulty instructions or illegal memory accesses.

89.

Which of the following is used to manage files and folders on the disk?

File system

90.

Which of the following scenarios is invalid for a system with a single CPU/core?

One blocked process, multiple running processes

91.

How can the date, time, and currency formats be customized?

Using the Regional Settings applet in the Control Panel

92.

Which of the following statements is true?

Interrupt handlers have read-write access to the data an application stores in the registers

93.

Device driver configuration can be changed using:

 (a) All of the above  (b) Control Panel Applets  (c) Registry Editor  (d) Device Manager

94.

Which of the following operations cause(s) a fault to occur?

  1. The hardware is asked to do something it cannot do.

  2. The memory's error correction circuitry detects an uncorrectable error.

  3. The program attempts to execute an illegal machine instruction.

95.

A trap is triggered by

the execution of processor instructions

96.

When an interrupt is being handled

A higher priority interrupt can occur

97.

The UNIX operating system stores configuration information in:

Text files

98.

The part of the operating system that maintains a queue of print requests is called a:

Print server

99.

Which of the following permissions is required to view the contents of a directory?

Execute access

100.

Which of the following statements about virtual memory is false?

Physical memory allocated for a program needs to be contiguous

101.

Which of the following statements is true?

Hardware has to be designed to support memory virtualization.

102.

Which of the following statements is true?

Relocation can keep a part of the address space of a program in the RAM and the remaining address space on disk

103.

Which of the following are true regarding the use of virtual memory in a computer system?

  1. Virtual memory provides the illusion of more RAM than actually exists.

  2. The CPU executes instructions directly from virtual memory.

104.

The maximum file size supported on a FAT32 partition is:

4 GB

105.

Which of the following is true about the names of files and subfolders that reside in the same folder?

Names must be unique within that parent folder

106.

Which of the following is (are) true regarding the New Technology File System?

I. NTFS has built-in recoverability feature. II. The cluster size varies in NTFS depending on the size of the disk. III. NTFS supports data access control and ownership privileges.

107.

Which of the following file systems provides encryption, data access control, and ownership privileges to restrict unauthorized access to data in a multi-user environment:

NTFS

108.

In Windows, the file type is determined by:

The file extension

109.

In the original DOS file system, also used in early versions of Windows, file names were limited to

8 characters followed by a dot and a 3 character file extension

110.

In UNIX, which of the following files is the same as ContactList.txt?Section 3.4.1, Sub-section “Files” “Other operating systems, such as Unix, are sensitive to capitalization. In these operating systems, the files Friends.txt and friends.txt are different.”

 (a) None of the above.  (b) All of the above.  (c) contactlist.txt  (d) CONTACTLIST.TXT

111.

Which of the following statements is true?

Updating the data via the shortcut updates the target file

112.

Which of the following is (are) true regarding the cluster size of a disk drive?

I. A cluster is the smallest amount of space that a file can occupy in a disk

113.

What is the maximum disk capacity that can be formatted with the FAT16 file system, assuming the cluster size to be 64 sectors.

2 GB

114.

FAT16 can be used on disk drives with a capacity of over 2 GB by:

Partitioning the drive into partitions of size 2 GB or less

115.

The advantage of FAT32 over FAT16 is:

More efficient use of space due to smaller cluster size

116.

Which license type is recommended for a university campus?

Site License

117.

Which of the following is not considered software?

 (a) Geographical information software  (b) MS Word documents  (c) None of the above  (d) Device drivers

118.

Shareware licenses enable a user to:

Copy and distribute the software

119.

Which of the following is an example of application software?

Word processing software

120.

Which of the following applications, if integrated with an email client application, would provide the greatest convenience to a user?

An address book application

121.

Which of the following are filled by lines and shapes and are suitable for corporate logos, schematics etc.

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