WorksheetsComputer Science Quiz
Total questions: 56
Worksheet time: 28mins
The physical components of a computer system is?
Hardware
Software
Firmware
Peripherals
A device used to bring information into a computer is?
Input device
Output device
Storage device
Processing device
The pieces of equipment which are attached to the CPU of a computer and which it can access are called?
Peripherals
Memory units
External drives
Internal components
Mechanical device: Which are hand-operated?
Abacus
Calculator
Typewriter
Slide rule
What type of memory is not directly addressable by the CPU and requires special software called EMS (expanded memory specification)?
Expanded memory
Virtual memory
Cache memory
ROM
Electro-mechanical device: Which are powered by an electric motor and use switches and relays?
Card reader
Printer
Disk drive
Scanner
Electronic device: Which have such components as?
Chips
Relays
Springs
Motors
Electro-mechanical device: Which are powered by an electric motor and use switches and relays?
Card stored
Monitor
Keyboard
Hard drive
Mechanical device: Which are hand-operated?
Slide rule
Abacus
Calculator
Printing press
Electronic device: Which have such components as?
Transistors
Springs
Wires
Gears
Electronic device: Which have such components as?
Circuits
Levers
Hinges
Bulbs
Other components of a computer?
Peripheral device
Power supply
Mainframe
Workstation
Other components of a computer?
Communication device
CPU
Monitor
RAM
The smallest unit of memory that is addressable?
Bit
Byte
Word
Nibble
A group of 8 bits taken as a single unit?
Byte
Word
Bit
Nibble
This is the fundamental unit of data?
Byte
Bit
Word
Nibble
2-state switch values: 0/1 (e.g. true/false; off/on)?
Bit
Byte
Word
Nibble
_________ proposed binary data processing (1945)?
John von Neumann
Alan Turing
Charles Babbage
Herman Hollerith
In 1982 _________ proposed the idea of creating machines based on the laws of quantum mechanics instead of the laws of classical physics?
Feynman
Turing
Babbage
Shannon
The term FLOPS means?
Floating Point Operation Per Second
Frames Per Second
Function Loop Per Second
Frequency of Operations Per Second
Which of the following is true concerning personal computers?
The electronic spreadsheet has been a primary reason for their popularity
They are used exclusively for business
They were invented by IBM
They have never been used in homes
Which of the following machines are characterised by electronic tube?
First generation
Second generation
Third generation
Fourth generation
The smallest logical data entity is called a data item or data?
Field
Byte
Word
Bit
One million bytes of information is abbreviated as?
MB
KB
GB
TB
Which part of the computer is used for calculating and comparing?
ALU
CPU
RAM
GPU
The computer program language which is widely used in computer science and engineering and also in business is?
PASCAL
FORTRAN
C++
Python
Can you tell what passes into and out from the computer via its ports?
Bytes
Data packets
Instructions
Signals
The process of writing computer instructions in a programming language is known as?
Coding
Compiling
Debugging
Executing
What is the name of the temporary data storage area between a peripheral device and the CPU which compensates for the difference between their speeds?
Buffer
Cache
Register
RAM
Which of the following printers can be classified as a page-at-a-time printer?
Laser printer
Dot-matrix printer
Inkjet printer
Line printer
The storage locations in the internal storage of a CPU are called?
Addresses
Registers
Cache
Buffers
Database management system based on the concept of ownership is?
Network database system
Relational database system
Hierarchical database system
Object-oriented database system
The primary memory of a personal computer consists of:
Both ROM and RAM
Only ROM
Only RAM
Cache and ROM
A software package to implement a database is?
DBMS
Spreadsheet
Operating system
Compiler
Methods used to organise and physically store disk data are?
Cylinder and Sector
Track and Block
Cluster and Byte
Page and Block
A dot-matrix printer is an?
Output device
Input device
Storage device
Processing device
The term “memory” applies to which one of the following?
Storage
Processor
Cache
Peripheral
The working principles of today's computers were provided by?
Charles Babbage
Alan Turing
John von Neumann
Herman Hollerith
In digital computers, all the expressions are coded into?
Binary digits
Decimal digits
Hexadecimal digits
Octal digits
Which functional component of a computer is responsible for the computing?
CPU
Memory
Hard disk
Input unit
The two main components of the CPU are?
Control unit and ALU
ALU and RAM
Control unit and RAM
Control unit and Input unit
No computer can’t do anything without a program.
True
False
The area of computer science which is concerned with the display of pictures is?
Graphics
Artificial Intelligence
Networking
Databases
What was the computer conceived by Babbage?
Analytical Engine
Difference Engine
Turing Machine
UNIVAC
A microprocessor chip used in a PC system?
Performs the arithmetic-logic and control functions
Controls the monitor
Connects the peripherals
Stores data
Which of the following is a communication network that is devoted to carrying computer information?
Data network
Telephone network
Television network
Power network
Communication that involves computers, establishing a link through the telephone system is called?
Telecommunications
Data transmission
Teleconferencing
Local area network
A processing unit that coordinates networks and data communication is known as?
Communications processor
Network interface
CPU
Control unit
A byte is comprised of:
Eight bits
Four bits
Sixteen bits
Two bits
Personal computers use a number of chips mounted on a main circuit board. What is the common name for such boards?
Motherboard
Circuit board
Expansion board
Input board
The term megabytes refers to?
1024 kilobytes
1000 kilobytes
512 kilobytes
2048 kilobytes
A Winchester disk is a?
Disk Stack
Hard disk
Floppy disk
Optical disk
The silicon chips used for data processing are called?
Microprocessor
Transistor
RAM
Memory
Dot-matrix is a type of?
Printer
Scanner
Display
Disk
As compared to diskettes, the hard disks are?
More expensive
Less expensive
The same price
More fragile
A computer program consists of?
Algorithms written in computer's language
Hardware instructions
Operating system functions
Random data
