1. Decimal equivalent of (1111)2 ?

11

10

1

15

Answer: 15

Explanation:

The decimal equivalent of (1111)2 is (d) 15. To convert a binary number to its decimal equivalent, we can use the following formula: (decimal equivalent) = (sum of each binary digit multiplied by its corresponding power of 2) For (1111)2, we have: (1 x 2^3) + (1 x 2^2) + (1 x 2^1) + (1 x 2^0) = 8 + 4 + 2 + 1 = 15


2. To be able to “boot”, the computer must have a(n) ?

Compiler

Loader

Operating System

Assembler

Answer: Operating System

Explanation:

To be able to "boot", the computer must have an "Operating System". The boot process is the process of starting up a computer system and loading the operating system into memory. The operating system is responsible for managing the computer's hardware and software resources and providing a user interface for the user. Therefore, the correct option is (c) Operating System.


3. The simultaneous processing of two or more programs by multiple processors is ?

multiprogramming

multitasking

time-sharing

multiprocessing

Answer: multiprocessing

Explanation:

The simultaneous processing of two or more programs by multiple processors is known as multiprocessing. Therefore, the correct option is (d) multiprocessing.


4. Data representation is based on the _________ number system, which uses two numbers to represent all data ?

binary

biometric

bicentennial

byte

Answer: binary

Explanation:

The answer is (a) binary


5. __________ is a set of computer program that runs or controls computer hardware and acts as an interface with application programs and users. ?

Object code

A compiler

An operating system

The CPU

Answer: An operating system

Explanation:

An operating system is a set of computer programs that runs or controls computer hardware and acts as an interface with application programs and users. The operating system manages the computer's resources, including the CPU, memory, storage, and input/output devices, and provides a platform for running applications. Some examples of operating systems are Windows, macOS, Linux, and Android.


6. Computer programs are written in a high-level programming language; however, the human readable version of a program is called ______ ?

cache

instruction set

source code

word size

Answer: source code

Explanation:

The human-readable version of a program is called source code. Therefore, the answer is (c) source code.


7. _________ are bundles of related software packages that are sold together ?

Personal productivity tools

Word and PowerPoint

Screen savers

Software suites

Answer: Software suites

Explanation:

Bundles of related software packages that are sold together are known as software suites. Therefore, option (e) is the correct answer.


8. The __________ tells the computer how to use its components ?

utility

network

operating system

application program

Answer: operating system

Explanation:

The operating system tells the computer how to use its components. Therefore, option (c) is correct.


9. Housing all hardware, software, storage, and processing in one site location is called ______ ?

time-sharing

a distributed system

centralized processing

a host computer

Answer: centralized processing

Explanation:

Housing all hardware, software, storage, and processing in one site location is called centralized processing.


10. Computer programs are written in a high level programming language; however, the human-readable version of a program is called __________ ?

cache

instruction set

source code

word size

Answer: source code

Explanation:

Computer programs are written in a high level programming language; however, the human-readable version of a program is called source code.