Which of the following is used for modulation and demodulation ?
отговор
(C)
Modem
2
When records are given a new value, it is called
отговор
(A)
updation
3
The type of computers that are designed to perform complex calculations extremely rapidly are called ?
отговор
(A)
supercomputer
4
A set of moral principles that regulate the use of computers is called
отговор
(B)
computer ethics
5
The logic gate in the figure above is
отговор
(C)
XOR gate
6
A computer code that spreads without the user interaction and can cause network performance problem is
отговор
(B)
a computer worm
7
The following are input devices except.
отговор
(B)
monitor
8
What category of application package does microsoft excel belong to ?
отговор
(D)
Spreadsheet packages
9
A type of application software that combines the abilities of several general purpose applications in one program is ?
отговор
(B)
Integrated Packages
10
What is the function of the escape key ?
отговор
(C)
to interrupt or cancel the current process or running program
11
A set of programs that direct computers to perform specific information processing activities for end users is
отговор
(C)
Application software
12
What protocol is used between Email servers?
отговор
(A)
SMTP
13
The following are the methods of file security except
отговор
(A)
hacking
14
The first step in a CPU instruction cycle is
отговор
(C)
Fetch
15
Which of the following is not an example of graphics packages
отговор
(B)
Quattro pro
16
The process of finding and correcting errors in the program code is called ?
отговор
(B)
Debugging
17
Which of the following components of the computer is referred to as the administrative section ?
отговор
(A)
CPU
18
Which of the following is not a third generation language?
отговор
(C)
Assembly language
19
Which of these commands will reboot the computer ?
отговор
(A)
Ctrl + Alt + Del
20
The type of database in which the data are connected in different files by using common data elements or a key field is ?
отговор
(A)
Relational database
21
Anti-virus software is an example of ?
отговор
(A)
Utility programs
22
What is the shortcut for creating a new document ?
отговор
(A)
Ctrl + N
23
Which of these criteria is not important while classifying files ?
отговор
(D)
Storage medium
24
Which of the following is a valid variable name in Python?
отговор
(B)
my_variable
25
How many bits are in one nibble ?
отговор
(B)
4
26
The only possible number base for 235\(_x\) among the following is ?
отговор
(D)
6
27
At what stage in system development life cycle are all data documented in the form of detailed data flow diagrams(DFDs)
отговор
(C)
System analysis
28
Translators are type of ?
отговор
(A)
System software
29
What is the difference between an assembler and a compiler ?
отговор
(B)
an assembler converts assembly level language code into machine language code while a compiler converts high level programming language code to a machine language code.
30
Which of these storage devices can act as a buffer between the CPU and the main memory ?
отговор
(C)
Cache Memory
31
Evaluate \(1011_2 + 122_4\), leaving your answer in base 10.
отговор
(A)
37
32
What part of the central processing unit coordinates other units and manages the computer resources ?
отговор
(D)
Control unit
33
What does R stands for in the CRUD acronym ?
отговор
(C)
Read
34
Which of these is not true about peer-to-peer network ?
отговор
(B)
it has a strong security system
35
The Output will be a HIGH for any case when one or more inputs are one for a(an)
отговор
(A)
OR gate
36
What type of booting does the computer go through when starting up from a powered down ?
отговор
(A)
Cold booting
37
What type of booting does the computer go through when starting up from a powered down ?
отговор
(A)
Cold booting
38
The connection between two or more computers to share resources or allow electronic communication is called ?
отговор
(D)
Network
39
Which of the following is the standard keyboard layout ?
отговор
(B)
QWERTY
40
Analog, digital and hybrid computers are classification of computers based on
отговор
(A)
the type of data-handling techniques
41
Which of the following is not an application software
отговор
(C)
Linux
42
Which of the following is NOT a high-level programming language?
отговор
(A)
Assembly language
43
what is the first computing machine invented ?
отговор
(D)
Abacus
44
The default file extension for PowerPoint version 2007 and newer is ?
отговор
(D)
.pptx
45
Which of the following can be used to select the entire document ?
отговор
(B)
Ctrl + A
46
Which of the following does not replicate itself in an infected computer?
отговор
(C)
trojan horse
47
The last cycle of data processing where data and information are preserved for future is called
отговор
(C)
storage
48
A device that sends and receives printed pages or images over telephone lines by digitizing the material with an internal optical scanner and transmitting the information as electronic signals is a
отговор
(D)
fax machine
49
The first computer made available for commercial use was
отговор
(A)
UNIVAC
50
An action performed in the GUI operating systems to hide a window but keep the program running in the background is ?
отговор
(C)
minimize
51
What is the shortcut for performing warm booting ?
отговор
(D)
by pressing the Ctrl + Alt + Del keys simultaneously
52
EDVAC was produced using which of these concepts ?
отговор
(B)
stored program
53
When the computer reboots itself without triggering the hardware based reset, it is called ?
отговор
(D)
soft reboot
54
Who invented the Napier Bones
отговор
(A)
John Napier
55
What is the difference between internal and external modem
отговор
(B)
internal modems are PCI or ISA expansion cards while external modems are traditionally plug into a serial port on the computer.
56
The two types of operating system are
отговор
(A)
command line and graphical user interface
57
Which of these application packages can be used to create a spreadsheet ?
отговор
(B)
Microsoft excel
58
In technical feasibility, the priority is ?
отговор
(C)
whether the problem can be solved using existing technology and resources available
59
What generation of computer is characterized by the use of vacuum tubes for circuitry and magnetic drums for main memory?
отговор
(C)
first generation
60
Large computers are classified as
отговор
(D)
mainframe computers
61
Which of the following allows devices on one network to communicate with devices on another network ?
отговор
(B)
gateway
62
The diagrammatic representation of an algorithm is
отговор
(D)
flowchart
63
The process where a programmer converts a program specifications into computer instructions is called ?
отговор
(B)
Coding
64
Which of these programming languages is the most suitable for a business data processing?
отговор
(C)
COBOL
65
The term used to describe when new information replaces old information or data is
отговор
(D)
overwrite
66
___ is the type of computer that is designed to operate on two states, 0 and 1.
отговор
(C)
Digital computer
67
Which of the following is an example of graphics software ?
отговор
(B)
Adobe Illustrator
68
which communication channel allows the sending of information in one direction only?
отговор
(A)
simplex mode
69
Which of the following monitors has only two colours
отговор
(D)
monochrome monitor
70
Computers manipulate data in many ways, and this manipulation is called ?
отговор
(C)
processing
71
The computer that combines the functions of both analog and digital computers is called ?
отговор
(C)
Hybrid computer
72
In BASIC, REM shows a statement to be
отговор
(C)
comment
73
Computers that are small and low cost are referred to as ?
отговор
(D)
micro computers
74
If the control unit controls other units of the CPU, which unit stores instructions,data and intermediate results.
отговор
(A)
Memory unit
75
The closest computer language to human is ?
отговор
(A)
High level language
76
Translating the problem statement into a series of sequential steps describing what the program must do is known as
отговор
(B)
creating the algorithm
77
One of the following is not a good way to prevent virus.
отговор
(C)
carelessly exposing your vital and personal information
78
The first stage of data processing activities is ?
отговор
(B)
Collection
79
Using Boolean identities, reduce the given Boolean expression:
A(A+1) + A(B+0) + C.1
отговор
(D)
A + C
80
In computer architecture, the type of bus that connects the major components of a computer system is
