Hardware
Which of the following words can be used to correctly describe hardware?
Tangible
Intangible
Tangible
Which of the following words can be used to correctly describe software?
Tangible
Intangble
Intangble
What does the acronym CPU stand for?
Central Processing Unit
Give 1 example of an embedded computer system.
1. Answering machine
2. Car ignition systems
3. Controllers in microwaves
State 2 examples of audible output devices.
Earphone
Headphone
Speaker
What are the 2 categories of software?
System Software
Application software.
What do the acronyms RAM and ROM stand for?
RAM - Random Access Memory
ROM - Read Only Memory
What is the definition of the term "computer system"?
Computer systems are programmable electronic devices that can accept input, process data, store and output information.
What are the 3 categories of input devices?
Key entry devices
Point and Draw devices
Scanning (Source Data Automation) devices
State whether the following programs are application software or system software.
Utility program
Operating system
Utility program is a system software.
Operating system is a system software.
What do the acronyms ALU, CU and CPU stand for?
ALU - Arithmetic Logic Unit
CU - Control Unit
CPU - Central Processing Unit
List 3 examples of mobile devices.
Laptops
Notebooks
Netbooks
Smartphones
Tablets
Game consoles
Which of the following words can be used to correctly refer to the devices or equipment that are connected to a computer system? Give 2 examples of each word shown below.
Software
Hardware
The correct term is HARDWARE.
Examples of hardware are printer, keyboard, mouse.
Examples of software are Microsoft Word, Google Chrome, Micrsoft Excel.
Which category of software is referred to as "off-the-shelf software" ?
General purpose
What do the acronyms CD, DVD, CD-ROM, ATM stand for?
CD - Compact Disk
DVD - Digital versatile Disk
CD-ROM Compact Disk - Read Only Memory
ATM - Automated Teller Machine
List the 4 types of computer system from largest to smallest.
Super computer system
Mainframe computer system
Mini computer system
Micro computer system
Arrange the following units of storage from smallest to largest.
kilobyte, megabyte, byte, terabyte, bit, gigabyte
Bit
Byte
Kilobyte
Megabyte
Gigabyte
Terabyte
Give at least 1 difference between RAM and ROM.
RAM is volatile while ROM is non volatile.
The contents on ROM cannot be lost or changed when power is switched off but the contents on RAM is lost when the computer shuts down or power is switched off.
What do the acronyms OMR, OCR, MICR, ALU, OS stand for?
OMR - Optical Mark Recognition
OCR - Optical Character Recognition
MICR - Magnectic Ink Character Recognition
ALU - Arithmetic Logic Unit
OS - Operating System
List and explain the 4 functions of a computer system.
Input - is the entering of data into the computer system.
Output - is the process by which the computer displays/shows information to the user.
Processing - is the process by which the computer manipulates/changes data into a meaningful form.
Storage - is the process by which the computer keeps/saves information for immediate and future use.