Lecture control 1 ICT var 2

Computer programs installed in the computer are called …

• Engineering

• Software

• Hardware

• Firmware

The technical characteristics of a CPU are

• Diligence

• Reliability

• Speed

• The accuracy

• usebility

What kind of components work together to perform the processing operations

• Input devices

• Control Unit (CU)

• Processing Devices

• Arithmetic and Logic Unit (ALU)

In addition to the CU and ALU, a microprocessor usually contains …

• Input devices

• the registers

• Output devices

• system clock

The Random Access Memory (RAM) is known as

• Non- persistent memory

• a volatile memory

• persistent memory

• a permenant memory

Voice input systems of a computer

• Bar code readers

• Web Cam

• work memory

• hard memory

The most important component on a motherboard is the chipset and it contains components such … chips.

• Westbridge

• the Northbridge

• the Southbridge

• the lastbridge

Binary Number System digits

• 0

• 1

• 9

• 3

• 2

Operating Systems are divided into

• Single-user OS

• Macro-user OS

• Mini-user OS

• Multi-user OS

Library programs are … that are used to …

• collections of some pre-written codes or resources

• only one code or resource

• remove other programs

• develop other programs