Components of Computer MCQs with Answers

What unit is commonly used to measure the clock speed of a computer processor?

• A.Gigahertz
• B.Megabytes
• C.Gigabits per second
• D.MIPS

What is L1 cache in a computer system?

• A.A memory cache built into the processor chip
• B.A memory cache located on the motherboard
• C.A virtual memory space on the hard disk
• D.A secondary storage buffer in RAM

What is the main function of the power supply in a computer?

• A.It processes instructions
• B.It stores data permanently
• C.It gives power to different parts
• D.It displays output on the screen

What determines the maximum number of documents you can open at one time on a computer?

• A.Memory capacity
• B.Processor speed
• C.Hard disk size
• D.Screen resolution

What component of a computer typically contains the ROM, CPU, RAM, and expansion cards?

• A.Power Supply Unit
• B.Motherboard
• C.Hard Disk Drive
• D.Graphics Card

What are the main components that make up a microcomputer?

• A.CPU, Input/Output devices, and Storage
• B.CPU, Monitor, and Keyboard only
• C.RAM, Hard Disk, and Printer only
• D.Motherboard, Power Supply, and Cooling Fan only

Past Paper MCQ

When data is first accessed, it is initially stored in which type of memory?

• A.RAM
• B.Cache Memory
• C.Hard Disk
• D.ROM

What do you call a single chip that contains two or more independent processor cores?

• A.Parallel chipset
• B.Dual-chip processor
• C.Hyper-threaded processor
• D.Multi-core processor

What is the small memory device in the CPU used to store data temporarily?

• A.Cache
• B.RAM
• C.Register
• D.ROM

In computer architecture, which type of memory is the first to receive data for processing?

• A.RAM
• B.Hard Disk
• C.Cache Memory
• D.ROM