Computer Science Handout (Objectives) Flashcards

1
Q

Which of the following do you called the brain of any computer system?
A. arithmetic logic unit
B. central processing unit
C. random access memory
D. control processing unit

A

central processing unit

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2
Q

A printed circuit board that has (at least) slots to connect cards into. Often, they also include a CPU and memory is called
A. mainframe
B. IDE port
C. motherboard
D. server

A

motherboard

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3
Q

The Central Processing Unit of computer is a combination of ____________.
A. arithmetic logic and input unit
B. control and storage
C. arithmetic logic and control unit
D. control and input unit

A

arithmetic logic and control unit

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4
Q

Which of the following are NOT examples of nonvolatile memory in the computer system?
A. Flash drives
B. RAMs
C. Optical disk
D. Hard drives

A

RAMs

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5
Q

Which of the following classes of mass memory devices used a laser beam to write and read onto a specified coated disk?
A. Non-volatile memory
B. RAM
C. ROM
D. Optical disk memory

A

Optical disk memory

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6
Q

Which of the following refers to the branch of computer science that is concerned with making computers behave and “think” like humans?
A. Intelligence Network
B. Artificial Intelligence
C. Neural Network
D. Robotics Science

A

Artificial Intelligence

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7
Q

Which of the following does not threaten the operation of a computer?
A. Trojan horse
B. Worm
C. Firewall
D. Hacking

A

Firewall

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8
Q

What is the abbreviation for a binary digit?
A. Byte
B. Bid
C. Bit
D. Bin

A

Bit

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9
Q

A byte is composed of how many bits?
A. 2
B. 4
C. 6
D. 8

A

8

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10
Q

1 KB is how many bytes?
A. 1000
B. 1024
C. 1012
D. 1048

A

1024

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11
Q

What is a computer programming language in which groups of 1s and 0s are used to represent instructions and the only language a computer actually understood?
A. FORTRAN
B. Machine language
C. MS DOS
D. Application software

A

Machine Language

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12
Q

Identify the I/O part described below. An external D shaped connectors with a total of 15 female pins in 3 rows.
A. Printer
B. Scanner
C. VGA/SVGA Video Port
D. USB Port

A

VGA/SVGA Video Port

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13
Q

A technician has installed a new video card and the computer will new only boot into VGA mode. which of the following may be the cause of the problem?
A. There is an operating system incompatibility.
B. the external monitor is not compatible.
C. The new card is not DVI compatible.
D. The incorrect drivers are installed.

A

The incorrect drivers are installed.

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14
Q

Which device allows your computer to talk to other computers over a telephone line as well as access the internet?
A. RAM
B. CD-ROM drive
C. Hard drive
D. Modem

A

Modem

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15
Q

After installing a new cable modem and new router, which of the following should be the order used to start up the devices?
A. Turn on the cable modem, then the router, and then the computer
B. Turn on the cable modem, then the computer, and then the router
C. Turn on the router, then the computer, and then the cable modem
D. Turn on the computer, then the cable modem, and then the router

A

Turn on the cable modem, then the router, and then the computer

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16
Q

What does FTTH mean?
A. Flexible To The House
B. Flexible To The Home
C. Fiber To The Home
D. Fiber To The House

A

Fiber To The Home

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17
Q

What form of software can also be called firmware?
A. cache memory
B. operating system
C. System BIOS
D. random memory

A

System BIOS

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18
Q

BIOS stands for
A. Basic Input Output Society
B. Basic Input Output System
C. Base Input Output Society
D. Base Input Output System

A

Basic Input Output System

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19
Q

What is BASIC stands for?
A. Basic All-purpose Symbolic Instruction Code
B. Basic All-purpose System Instruction Code
C. Beginner’s All-purpose Symbolic Instruction Code
D. Beginner’s All-purpose System Instruction Code

A

Beginner’s All-purpose Symbolic Instruction Code

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20
Q

ASCII means?
A. American Standard Code for Information Input
B. American Standard Code for Input Information
C. American Standard Capacity for Information Input
D. American Standard Code for Information Interchange

A

American Standard Code for Information Interchange

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21
Q

HTTP:// is an identifier that appears at the beginning of most Webpage .
stands for?
A. Hypertext Time Protocol
B. Hypertime Text Protocol
C. Hypertext Transmission Process
D. Hypertext Transfer Protocol

A

Hypertext Transfer Protocol

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22
Q

Which of the following is NOT a computer programming language?
A. FORTRAN
B. COBOL
C. LOTUS
D. PASCAL

A

LOTUS

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23
Q

MS-WORD is a type of?
A. system software
B. operating system
C. system architecture
D. application software

A

application software

24
Q

Which of the following computer program is NOT considered open-source software?
A. Firefox
B. Microsoft Office
C. Linux
D. OpenOffice.org

A

Microsoft Office

25
Q

What is the shortcut key to reach the end of the document?
A. End
B. Ctrl + End
C. Shift + End
D. Home

A

Ctrl + End

26
Q

In printing your document in the computer, what is the default mode?
A. Page View
B. Landscape
C. Page Set-up
D. Portrait

27
Q

MS-DOS is a type of?
A. system software
B. operating system
C. application software
D. system architecture

A

system software

28
Q

Which of the following is an instruction that causes data to be brought from memory into
an accumulator register?
A. FETCH
B. LOOP
C. LOAD
D. JUMP

29
Q

What do you call a translated program in a machine language?
A. a source program
B. an object program
C. a machine program
D. a user’s program

A

an object program

30
Q

Is a list of instructions that the computer must follow in order to process data into information.
A. Program
B. Pseudocode
C. Flowchart
D. File

31
Q

Which of the following is the basic symbol used as a beginning or termination in logic
diagram or flowchart?
A. square box
B. Oval symbol
C. rectangular box
D. Diamond box

A

Oval symbol

32
Q

In a flow chart, what is the symbol used in decision making?
A. oval
B. rectangle
C. diamond
D. square

33
Q

What is the standard method for coding data on 80-column, 12-row card?
A. ASCII
B. EBCDIC code
C. Hollerith code
D. Baudot code

A

Hollerith code

34
Q

A is group of bits, that may be manipulated or stored at one time by the CPU.
A. program
B. address
C. word
D. software

35
Q

Is one in which all microcomputers and other communication devices are connected to a central hub, such a file server or host computer.
A. Star Network
B. Ring Network
C. Bus Network
D. Hybrid Network

A

Star Network

36
Q

In a logic circuit with input A & B in an OR gate. If A = 0 and B = 1. What is f? [f = A + B]
A. 0
B. 01
C. 1
D. 10

37
Q

In a spreadsheet (EXCEL) , the number in cell A2 is set to 2. Then cell B2 is set to A2*4/$A$2, where $ indicates the absolute cell address. This formula is copied into cells C2 and D2. What is the value shown in cell D2?
A. 8
B. 2
C. 4
D. 16

38
Q

The flowchart for a computer program contains the following segment:
X= -1
Y= -2
Z = X x Y
If Z < 0 THEN Z = Z + 1
RETURN
what will be the value of z returned by the program segment?
A. -1
B. -2
C. 2
D. 0

39
Q

What is wrong with this program?
DO 20 I = 1, 5
A(I, J) =: 5.8
I = 5
20 CONTINUE
A. A cannot be a real number.
B. I cannot be an integer.
C. There is an excess comma in the DO statement.
D. The value of I cannot be changed in the DO loop.

A

The value of I cannot be changed in the DO loop.

40
Q

Which of the following is the ONLY acceptable FORTRAN statement?
A. READ(5, 99) (TIME(x), X=1,10)
B. READ(5, 99) (TOTAL(N) , N=1,20)
C. WRITE(6,101) (MATRIX(J, J=1,8)
D. DIMENSION Z(TEN)

A

READ(5, 99) (TOTAL(N) , N=1,20)

41
Q

What would be the value printed output as a result of the following?
10 DEF FNA (X) = x^2 + 1/X
20 PRINT FNA (2)
30 END

A. 7.2
B. 4.5
C. 6.5
D. 483.14

42
Q

Find the value of J in the program
I = 1
J = 0
15 J = J^2 + I^2
If (I = 3) GOTO 16
I = I + 1
GOTO 15
16 CONTINUE
A. 34
B. 9
C. 40
D. 15

43
Q

What is the error in the following FORTRAN program?
670 READ L,M,N
680 DATA 33 40 60
690 PRINT L+M/N
700 PRINT L*N+M
800 END
A. line 670
B. line 680
C. line 690
D. line 700

44
Q

What is the output of the following FORTRAN program?
100 DATA ‘June’ ,15,1955
200 READ N$
300 DATA 1948
400 READ C,X,X1
500 PRINT X1,N$,X,C

A. 15,1955,June,1955
B. June 15 1955 1948
C. 1948 June 1955 15
D. 1948 June 15 1955

A

1948 June 1955 15

45
Q

What is the term for a deadlock situation that occurs when a program references a difference page for almost every instructions and there is NOT even enough real memory
to hold MOST of the virtual memory?
A. Scanning
B. Thrashing
C. Handshaking
D. Paging

46
Q

A software that allows users to have fast and flexible access to large information and
documents.
A. internet
B. e-mail
C. hypertext
D. hyperlink

47
Q

Which one is the portion of an instruction cycle where the instruction is sent from memory to the instruction paper?
A. LOAD
B. ACCUMULATE
C. EXECUTE
D. FETCH

48
Q

WWW stands for
A. World Wide War
B. World Wide Web
C. Worldwide Worker
D. World Wide Wrestling

A

World Wide Web

49
Q

A software program designed to enter a computer system, usually a network through security “holes” and then replicate itself.
A. computer virus
B. worm
C. trojan horse
D. HTTP

50
Q

Which of the following is the fastest method to transfer data wirelessly?
A. Standard infrared
B. Bluetooth
C. 802.11
D. General Packet Radio System (GPRS)

51
Q

MATLAB stands for?
A. matrix laboratory
B. math library
C. matric library
D. matrix library

A

matrix laboratory

52
Q

In nested loops, the continue statement exits the
A. current iteration
B. loop
C. inner
D. outer

A

current iteration

53
Q

To stop or abort the execution of a MATLAB command, used keys?
A. ctrl+c
B. ctrl+s
C. ctrl+b
D. ctrl+enter

54
Q

What command clears all data and variables stored in memory.
A. clc
B. clear
C. delete
D. deallocate

55
Q

Which of the following command is used to clear command window
A. clear
B. clc
C. close all
D. clear com

56
Q

What is the output of the following code?
A = [ 1 2 3 . .] ;
A. the output is suppressed
B. A row vector
C. A row vector concatenated with a null matrix
D. Error

57
Q

Octal coding involves grouping the bits in ______?
A. 6’s
B. 9’s
C. 1’s
D. 3’s