Computer problems
- 1. Who Invented the computer mouse?
Options- A. Gene Dolgoff
- B. Brendan Eich
- C. Douglas Engelbart
- D. Federico Faggin Also asked in: Bank Exams
Correct Answer: Douglas Engelbart
- 2. A CD-ROM disk _______
Options- A. cannot be erased and rewritten
- B. has more storage capacity than a CD-R
- C. holds less data than a floppy disk
- D. Can be written only once Also asked in: Bank Exams
Correct Answer: cannot be erased and rewritten
- 3. Digitized information can be used by computers.
Options- A. TRUE
- B. FALSE Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO, Database Administrator, IT Trainer, Network Engineer, Project Manager, Software Architect
Correct Answer: TRUE
Explanation:
TRUE. The computers and electronic devices use digitized information which is easily understood by them.
Digitization is the process of converting analog signals or information of any form into a digital format that can be understood by computer systems or electronic devices. The term is used when converting information, like text, images or voices, and sounds, into binary code.
- 4. Programs stored in ROM are called
Options- A. Firmware
- B. Software
- C. Hardware
- D. None of above Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO, Database Administrator, IT Trainer, Network Engineer, Project Manager
Correct Answer: Firmware
Explanation:
ROM stands for read-only-memory.
It's used to store the start-up instructions for a computer, also known as the firmware.
Most modern computers use flash-based ROM. It is part of the BIOS chip, which is located on the motherboard.
- 5. Which technology is used in compact disc or disks?
Options- A. Laser
- B. Mechanical
- C. Electrical
- D. Electro magnetic Also asked in: GATE, CAT, Bank Exams, AIEEE, Project Manager, Network Engineer, IT Trainer, Database Administrator, Bank PO, Bank Clerk, Analyst
Correct Answer: Laser
- 6. GUI stands for
Options- A. Graphical Universal Interface
- B. Graph Use Interface
- C. Graphical Unique Interface
- D. Graphical User Interface Also asked in: AIEEE, Bank Exams, CAT, GATE, GRE, Analyst, Bank Clerk, Bank PO, Database Administrator, IT Trainer, Network Engineer, Project Manager, Software Architect
Correct Answer: Graphical User Interface
Explanation:
GUI stands for Graphical User Interface.
A Graphical User Interface is a computer interface that allows users to interact with a device through graphical elements such as pictures and animations, as opposed to text-based commands.
- 7. CPU speed of a personal computer is
Options- A. 1 MIPS
- B. 100 KIPS
- C. 32 KIPS
- D. 32 MIPS Also asked in: AIEEE, Bank Exams, CAT, GATE, GRE, TOEFL, Analyst, Bank Clerk, Bank PO, Database Administrator, IT Trainer, Network Engineer, Project Manager
Correct Answer: 32 KIPS
Explanation:
Instructions per second (IPS) is a measure of a computer's processor speed. CPU speed of a personal computer is 32 KIPS (Kilo Instructions per second).
- 8. Which unit holds data temporarily?
Options- A. Secondary storage unit
- B. Output Unit
- C. Primary Memory Unit
- D. Input unit Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO, Database Administrator, IT Trainer
Correct Answer: Primary Memory Unit
Explanation:
Memory is the part of the computer that temporarily holds data and instructions before and after they are processed by the ALU.
Memory is also known as primary storage, primary memory, main storage, internal storage, and main memory.
Manufacturers often use the term RAM, which stands for random-access memory.?
- 9. Microprocessors as switching devices are for which generation computers?
Options- A. Fourth generation
- B. Third generation
- C. Second generation
- D. First generation Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO, Database Administrator, IT Trainer
Correct Answer: Fourth generation
Explanation:
Microprocessors are used in the computers of fourth generation computers. Personal microcomputers were possible due to the microprocessors.
Microprocessors further revolutionized the development of computers.
The first microprocessor called Intel 4004 was developed by American Intel Corporation in 1971.
- 10. MS-EXCEL is based on
Options- A. OS/2
- B. UNIX
- C. WINDOWS
- D. DOS Also asked in: AIEEE, Bank Exams, CAT, Analyst, Bank Clerk, Bank PO, Database Administrator, IT Trainer, Network Engineer, Project Manager
Correct Answer: WINDOWS
Explanation:
Microsoft Excel is a spreadsheet developed by Microsoft for Windows, macOS, Android and iOS. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications.
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